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Installation Manual - Owens Corning Canada

1. Have any questions Call Owens Corning s Technical Services at 1 800 504 8294 m FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 4 2 APPLICATION OF FOAMSEALR GASKETS The proper application of FoamSealR Gaskets is key to the success of the FOAMULAR CodeBord Air Barrier System Improper installation will let air in through the panel joint Following some simple suggestions will help to ensure the air barrier system is effective Avoid overlapping the FoamSealR Gasket or cutting it short as pieces butt together Ensure that gaskets are butted together properly Avoid stretching or overlapping the gasket see Figure 4 1 Make sure it is not kinked Gaskets with a consistent thickness leave no gaps to let in air Remember that improper gasket installation could reduce air barrier system effectiveness See Figures 4 2 and 4 3 In some cases a FoamSealR Gasket flap is needed at the edge of an assembly to span across another assembly Care should be taken that these flaps are not damaged as construction proceeds example of this is the gasket flap at the top of the first storey wall of a two storey house The flap is intended to bridge the joint between the second floor header and the wall below Staples are normally used to secure pieces of FoamSealR Gasket until the FOAMULAR CodeBord insulating sheathing is applied Avoid using too many staples since t
2. gasket that will seal the end of the panel of the abutting wall Two gaskets adjacent to one another are applied at the corner one over the two corner stud and one over the additional stud The wall is clad with FOAMULAR CodeBord sheathing however the sheathing must not extend to the end of the wall At the inside corner the sheathing should be cut short by a distance that corresponds to the thickness of the abutting wall i e framing and CodeBord sheathing The abutting wall can be tilted into place with the inside face flush with the inside face of the end of the main wall See Figure 5 7 When irregular walls i e walls that meet at an angle more than 90 form a part of the air barrier plane FoamSealR Gasket must be installed over the corner studs at the intersection of the two wall planes See Figure 5 8 The gasket should bridge from one adjoining wall to the other The detail can be constructed by building one wall with the gasket flap and the other with no end panel After the walls are lifted into place the end panel can be installed over the corner gasket A bead of Owens Corning Foam Sealant should be used to seal the corner from the interior or exterior Builders are advised to construct irregular walls according to their preferences but also urged to plan ahead carefully as these are trickier than regular square angled walls Flashing can be installed over the wall panel with a sheathing membrane e
3. 9 Figure 5 22 Brick Flashing Detail with Flashing Behind FOAMULAR CodeBord FoamSealR Gasket FoamSealR Gasket required if using separate header foam insert Sheathing Membrane building paper Flashing FoamSealR Gasket 1 Weephole gt Figure 5 23 Brick Flashing Detail with Sheathing Membrane FoamSealR Gasket FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING 5 22 ASSEMBLY DETAILS AND PLANNING FoamSealR Gasket Polyethylene vapour barrier Air barrier material header wrap Sheathing Membrane building paper Squash Blocks 16 o c FoamSealR Gasket Weephole p Air barrier material header wrap caulked to concrete foundation wall Flashing 8 Figure 5 24 Brick Flashing Detail with Counter Flashed Partial Sheathing Membrane FLASHING AROUND WINDOWS WITH SIDING AND BRICK Figures 5 25 and 5 26 illustrate the flashing details around windows for siding and brick exterior finishes Continuous polyethylene flashing must be installed around the window opening prior to the application of the FoamSealR Gasket and FOAMULAR CodeBord insulating sheathing Flashing can be installed behin
4. Always maintain the required nail spacing and ensure that all nails penetrate into solid lumber or structural backing Nails should be spaced no more than 6 inches 150 mm on centre along the edges of the panel and at 8 203 mm at intermediate framing alternate nail spacings can be used to achieve desired performance if verified on site with a blower door test The corners of sheathing panels should be well fastened These are sometimes overlooked Drive the nail solidly rm INNOVATIONS FOR LIVING INSTALLING SYSTEM COMPONENTS into the corner framing Take care to not damage the panel by breaking the surface of the board Damaged panels can cause air leakage Nail washers that extend beyond the sheathing can get caught on components as walls are erected Be careful to avoid these obstructions particularly at the top edge of walls and edges of window openings See Figure 4 4 Spiral nail with plastic or metal washers are the only approved means of fastening the sheathing J FoamSealR Gaskets are required behind ALL joints between panels Minimum depth of penetration y 1 25 mm Nails are required at all outside edges all edges around openings along all panel joints and all intermediate framing members Maximum 6 inches 150 b 9 centre to centre 9 9 a 9 Nailing at Butt Edg
5. CodeBord panel SS D N A Owens Corning Acrylic Seam and Flashing Tape corners and bottom of opening 12 up each side Owens Corning Acrylic Seam and Flashing Tape IMPORTANT NOTE All 4 corners of rough opening before installing window are sealed with 3 strips of Owens Corning 12 Acrylic Seam and Flashing Tape oo NOTE Sill flashing not shown must be installed Figure 6 3 Flashing Around Windows Owens Corning Acrylic Seam and Flashing Tape with FoamSealR Gaskets rm INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ALTERNATIVE DETAILS Flange Window Detail Caulking and Backer Rod or Spray Foam IMPORTANT NOTE All 4 corners of rough opening before installing window are sealed with 3 strips of Owens Corning Acrylic Seam and Flashing NOTE Sill flashing not shown must be installed Tape HIE Owens Corning Acrylic D w FoamSealR Gasket Seam and Flashing Tape top and sides only 12 Owens Corning Acrylic Seam and Flashing Tape used in 3 ways Sealing rough opening to FOAMULAR CodeBord panel lt 2 gt Sealing window frame to FOAMULAR CodeBord panel D Sealing head flashing to FOAMULAR CodeBord panel Owens Corn
6. exterior sheathing only See table below for guidance FOAMULAR CodeBord Insulating Sheathing Spacing of Nails As sheathing only recommended As sheathing and air barrier system component Along Edges with 6 in 8 in Sealing Gasket 150 mm 203 mm At intermediate 8 in 12 in supports 203 mm 305 mm 7 What type of nails should 1 use Use steel wire or spiral nails with either steel or plastic washer caps 1 min Depending on time of year some nail washers may have a better resistance to the impact of hammer blows INNOVATIONS FOR LIVING FREQUENTLY ASKED QUESTIONS 8 Canlinstall FOAMULAR CodeBord panels horizontally FOAMULAR CodeBordQ insulating sheathing panels should preferably be installed vertically All edges of a sheathing panel need to be supported by a structural framing member e g stud plate in order to obtain good compression of the FoamSealR Sealing Gaskets between the framing and the FOAMULAR CodeBord insulating sheathing If FOAMULAR CodeBord panels are installed horizontally blocking is necessary between vertical studs behind the horizontal joint to provide backing for the board edge 9 What width of FoamSealR gasket should 1 use For 2 x 4 and 2 x 6 stud walls use 3 5 89 mm wide FoamSealR Sealing Gaskets The wider 5 5 140 mm FoamSealR Sealing Gaskets could be used at corners as a single piece or beneath
7. 2 x 6 sill plates 10 How do seal the gap between the sill plate and the foundation wall when this gap is greater than the thickness of the gasket Where large gaps occur between the sill plate and the top of the foundation wall due to variations or a rough surface a double layer of FoamSealR Sealing Gaskets can be used If a double layer of gaskets under the sill plate is still inadequate to seal spaces between the sill plate and foundation wall install a single FoamSealR gasket layer under the sill plate and from the interior seal the joint between the sill plate and the foundation wall with Owens Corning Foam Sealant Il Is it necessary to seal nail holes in the FOAMULAR CodeBord insulatingsheathing All nail holes through the FOAMULAR CodeBord insulating sheathing should be sealed to be airtight for example when a stud is missed and the nail is pulled out from the sheathing Although foam sealant can be used to seal nail holes sheathing tape and caulking are better suited for this type of repair Sealing all holes will help improve the system performance and yield a better final air tightness result FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL FREQUENTLY ASKED QUESTIONS I2 Is it necessary to seal the interior polyethylene vapour barrier With the FOAMULAR CodeBord Air Barrier System it is not necessary to seal the interior polyethylene wall vapour barrier to be airtight such as
8. 584 47 1194 120 1 11 16 15 381 47 1194 78 3 7 28 15 381 48 1219 80 0 7 43 20 19 3 5 3 34 0 29 6 152 19 483 47 1194 99 2 9 22 23 584 47 154 120 1 1116 23 584 48 1219 122 7 11 40 15 381 47 1194 49 1 4 55 22 3 87 0 26 5 5 140 23 584 47 1194 75 1 6 97 14 75 375 47 1194 33 7 3 13 24 4 23 0 24 5 5 140 22 75 578 47 1194 52 0 4 83 Coverage based on SpaceSaver packaging format Thermal resistance at 5 5 in 140 mm INNOVATIONS FOR LIVING FOAMULAR BARRIER SYSTEM INSTALLATION MANUAL INSTALLING SYSTEM COMPONENTS 4 The proper installation of all air barrier systems requires particular attention to detail for optimal performance The FOAMULAR CodeBord Air Barrier System requires the same care and attention Understanding the basic installation procedures is essential The performance of the FOAMULAR CodeBord Air Barrier System was engineered and then tested across many new homes The techniques proven in the field must be followed to obtain the superior performance that the FOAMULAR CodeBord Air Barrier System can offer INSTALLING SYSTEM COMPONENTS Key PoiNTS Follow the recommended installation techniques Only use recommended products which are compatible with Owens Corning s air barrier materials Accuracy before speed take time the first time to get it right productivity is sure to follow
9. CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL APPENDIX 9 7 Strength to resist wind forces is achieved by fastening the CodeBord Air Barrier System to the supporting structure using nails with 25 4 mm plastic or metal washers and following the nailing schedule outlined in Appendix A CodeBord Extruded Polystyrene FoamSealR Polyethylene Spray in Place Insulating Sheathing 4 x8 or 4 x9 Sealing Gasket 3 1 2 or 5 1 2 Foam Sealant with shiplap edges 6 mil Polyethylene Nails with Plastic Contractor s Caulking Sealant Air Vapour Barrier or Metal Washers Sheathing Tape Figure 1 Components and accessories used for the in field installation of the CodeBord Air Barrier System 3 Conditions and Limitations CCMC s compliance opinion in Section 1 is bound by the CodeBord Air Barrier System being used in accordance with the conditions and limitations set out below The CodeBord Air Barrier System has demonstrated sufficiently low air permeance in accordance with NBC 2005 for buildings with an indoor environment of 20 C and winter design relative humidity RH of 35 or less The CodeBord Air Barrier System has demonstrated sufficient strength to be used in low rise buildings in geographical locations where the value does not exceed 0 60 kPa the Qs value is the hourly wind pressure for a 1 in 50 year return period found in Appendix C of the NBC 2005 e For conforming air leakage control and
10. DETAILS Ensure continuity of exterior insulated sheathing to the foundation wall Basement floor slab sealed to foundation walls Floor drain includes trap seal Sump pit sealed OTHER AIR BARRIER DETAILS Beam pockets sealed Electrical service penetration sealed Cable and telephone penetrations sealed INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 3 Imagine being able to visualize the house framing before construction starts It would give you an opportunity to plan ahead and avoid problems Fortunately most Canadian houses are similiar in construction so you can use this handy guide to quickly reference key details of the FOAMULAR CodeBord Air Barrier System when planning your next project The example house below contains a number of features that can become quite challenging unless you have planned for them Bay windows interior walls that extend to the outdoors and exposed floors over garages these can all be easily dealt with provided you have taken the time to consider all of the air barrier implications Roof Exterior Wall Junction See Page 5 11 Exterior Walls See Page 5 8 Basement Details See Page 5 31 Angled Walls Bay Windows See Page 5 10 GUIDE TO AIR BARRIER SYSTEM DETAILS For typical construction sequence see Basic Installation Sequence in
11. Garcea Monarch Corporation Mike Memme Mountainview Homes Andy Oding Reid s Heritage Homes Doug Overholt City of Vaughan Jason Shapardanis Empire Communities Paul Smith Mattamy Homes Janelle Day Lio amp Associates Michael Lio Lio amp Associates Candice Luck Lio amp Associates 2011 Owens Corning All Rights Reserved Printed in Canada All rights reserved No part of the work contained herein as covered by this copyright may be reproduced or used in any form or any means graphic electronic or mechanical including photocopying recording taping or information storage or retrieval systems without the written permission of Owens Corning Canada LP Pub No 300494 Additional copies of this publication may be obtained by visiting www owenscorning ca or calling toll free 800 GET PINK 1 800 438 7465 DISCLAIMER The procedures presented in this manual are intended as a guideline only to provide a basic understanding of the concepts involved in the proper and effective installation of the Owens Corning FOAMULAR CodeBord Air Barrier System It remains the responsibility of the air barrier system installer and or builder to ensure that all work performed conforms to applicable building code and labour safety regulations governing the construction While care has been taken to ensure accuracy and convey proper construction practices Owens Corning does not assume responsibility for consequential loss errors or oversights r
12. Page 3 of 3 CodeBord Air Barrier System Issued on December 30 2009 mm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 9 6 APPENDIX Institute for Research Construction MASTERFORMAT 07 27 09 01 Evaluation Report Issued 2000 01 24 Re evaluated 2009 04 21 CCMC 12935 R Revised 2010 01 05 Re evaluation due 2012 01 24 Air Barrier System 1 Opinion It is the opinion of the Canadian Construction Materials Centre CCMC that CodeBord Air Barrier System when used as an air barrier system in accordance with the conditions and limitations stated in Section 3 of this Report complies with the National Building Code 2005 e Clause 1 2 1 1 1 b Division A as an alternative solution that achieves at least the minimum level of performance required by Division B in the areas defined by the objectives and functional statements attributed to the following applicable acceptable solutions o Subsection 5 4 1 Air Barrier Systems o Subsection 9 25 3 Air Barrier Systems This opinion is based on CCMC s evaluation of the technical evidence in Section 4 1 provided by the Report Holder Ruling No 09 39 237 12935 R authorizing the use of this product in Ontario subject to the terms and conditions contained in the Ruling was made by the Minister of Municipal Affairs and Housing on 2009 12 30 pursuant to s 29 of the Building Code Act 1992 see Ruling for term
13. See Owens Corning s installation manual entitled CodeBord Air Barrier System dated June 2003 for more complete details Polyethylene air vapour barrier is installed at ceiling according to contractor s preferred method Continuity at penetrations for windows and doors is maintained with spray foam and caulking FoamSealR gaskets are installed under the sill plates to maintain continuity with foundation wall Figure 1 CodeBord Air Barrier System FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL corners outside edges and around openings CodeBord sheathing is securely fastened to outside of wood framing to provide airtight seals at all joints and outside Air sealing details for basements and crawispace have been specially developed to work together with the CodeBord system m INNOVATIONS FOR LIVING 9 12 APPENDIX NEVER set nails so that washers overlap the edges of the sheathing This prevents proper joining of boards Nails are required at all outside edges all edges around openings along all panel joints and all intermediate framing members Maximum 6 inches 150 mm centre to centre Spiral nail with plastic or metal washers are the only approved means of fastening the sheathing Minimum depth of penetration 1 25 mm Gaskets are required behind ALL joints between panels Figure 2 Co
14. available in various thicknesses to meet m the needs of every building project as shown below mene Sheet Thickness Bund d R Value RSI I 15 Sheets 5 0 88 Owens Corning Foam Sealant Polyethylene Vapour 5 10 Sheets 7 5 1 32 12 oz or 20 oz Barrier air barrier for ceiling application 2 8 Sheets 10 1 76 FOAMULAR CodeBord insulating sheathing is available in 4 x 8 and 4 x 9 sizes The boards come with shiplapped edges which provide a tight fit at the joints No taping is required over shiplapped edges installed over gasketing Panels are normally installed in the vertical position with the printed side to the exterior Handy stud finder lines spaced at 16 o c 400 mm are Owens Corning Acrylic Caulking Sealant Seam and Flashing Tape provided on the boards to help in their placement The product has been designed to save you time and money INNOVATIONS FOR UVING FOAMULAR is lightweight yet strong and that makes it easy to handle and trim It is recommended to provide temporary bracing during construction by using diagonal wind bracing Gypsum board installed as the interior finish will normally provide the permanent bracing for the building In some instances sheathing membrane is not required over top of hydrophobic foam sheathing with shiplapped edges Consult your local building official for specific local requirements Nails with Plastic or EcoTouch PI
15. board with taped joints plywood hardboard insulating fibreboard particleboard waferboard strandboard mm INNOVATIONS FOR LIVING 8 2 5 Mustbuildingpaperorasheathingmembrane be installed over FOAMULAR CodeBord exterior polystyrene rigid insulating sheathing Because FOAMULAR CodeBordO insulating sheathing panels are provided with a shiplap edge on all four panel edges it is not necessary to install a sheathing membrane e g building paper over FOAMULAR CodeBord sheathing in low rise OBC Part 9 buildings However where butt joints occur e g at building corners or where shiplap joints have been cut i e removed building codes require that such joints be sealed with compatible and approved sheathing tape such as Owens Corning Acrylic Seam amp Flashing Tape or caulking or covered with a sheathing membrane FoamSealR Sealing Gaskets installed at butt and or corner joints will serve the function to seal non shiplap joints to maintain the continuity of the air barrier plane through the sealing gaskets Where sheathing paper will not be installed it is important to install the FOAMULAR CodeBord panels such that the shiplap joints are oriented to shed water to the exterior of the assembly 6 How far apart should nails be spaced The nail spacing for the FOAMULAR CodeBord Air Barrier System differs slightly from the spacing used when the FOAMULAR CodeBord panels are used as
16. materials which do not leak air impermeable and The air barrier system must be durable and last at least as long as the building Air barrier materials and components must not deteriorate over time If the air barrier system does not address ALL of these requirements then the house may experience moisture damage cold drafts high energy bills and gradual deterioration over time FOAMULARG CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING 1 4 FOAMULAR CODEBORD AIR BARRIER SYSTEM Owens Corning recommended details for chimneys ducts pipes outlets wiring and penetrations make air sealing faster and easier than ever Polyethylene air vapour barrier is installed according to contractor s preferred method FoamSealR Gaskets are applied over exterior framing members at joints between boards Penetrations for windows and doors are sealed with Owens corners outside edges and Corning Foam around openings Sealant sheathing is securely fastened to outside of wood framing to provide airtight seals at all joints and outside edges FoamSealR Gaskets are installed under the sill plates Air sealing details for basements and crawlspaces have been specially developed to work together with the CodeBord sys
17. meets the criteria of the CCMC Technical Guide To qualify a conforming air barrier system must have an acceptable low air leakage rate 1 be continuous iil be durable iv have sufficient strength to resist the anticipated air pressure load and v be buildable in the field The results of testing the CodeBord Air Barrier System are summarized in Tables 4 1 1 1 and 4 1 1 2 Table 4 1 1 1 Results of Air Leakage Rate Testing of the CodeBord Air Barrier System Air Leakage Rate Testing Requirement Result Wood frame walls Air leakage rate Air leakage rate Specimen no 1 Opaque wall at 75 Pa AP at 75 Pa AP Specimen no 2 Continuity at penetrations lt 0 05 5 1 2 0 048 L s m2 O Specimen no 3 Continuity at foundation and brick straps Notes to Table 4 1 1 1 D The air leakage rate of the specimens is determined after aging of the air barrier system Aging ofthe air barrier system was conducted to qualify the air barrier system for a design structural wind load of Q 0 6 kPa NBC climatic data in Appendix C for a 1 in 50 year return period The air barrier system was subjected to a loading schedule involving one hour sustained positive and negative pressure set at 0 60 kPa 2 000 cycles of positive and negative pressure set at 0 80 kPa and a wind gust of positive and negative pressure set at 1 2 kPa The air leakage rate was determined in accordance with ASTM E 1
18. prepared to accept efficiency without having to change current the full installation practices detailed in Chapter 5 they building practices may look to Chapter 6 for some alternative details In Owens Corning provides builders and framers these alternatives caulking and taping can substitute for with field assistance and technical support the gasket requirements The alternative details shown in Chapter 6 are currently undergoing CCMC review and approval is pending Please consult with the local municipality before implementing any of the alternative details in place of the mm FOAMULARG CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIMING 1 6 approved full system details FOAMULAR CODEBORD AIR BARRIER SYSTEM BENEFITS Quieter and healthier indoor environment Cold drafts are virtually eliminated in houses using the system Occupants will enjoy a quieter indoor environment with less dust and pollen Durability and envelope integrity Owens Corning has engineered and tested an excellent air barrier system Independent laboratory testing shows that the FOAMULAR CodeBord Air Barrier System can withstand over 200 Pascals of pressure which is comparable to pressures exerted by hurricane force winds This helps ensure that the air barrier system will prove effective over the life of the house and remain unaffected by extreme weather conditions Reduced heating and cooling bills The insula
19. prevent air leakage requires care both in planning and workmanship See Figure 5 14 FoamSealR Caulked or Gasket gest clamped to join to ceiling polyethylene air vapour barrier FOAMULAR Codebord amp wall Polyethylene barrier Figure 5 13 Flat Cathedral Ceilings QN QNO N Caulked or clamped to join to ceiling polyethylene air vapour barrier FoamSealR E Gasket FOAMULAR amp Codebord NE Polyethylene Wall vapour I barrier Figure 5 14 Sloped Cathedral Ceilings INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING CEILING AIR VAPOUR BARRIERS For polyethylene air vapour barriers all penetrations at the ceiling must be sealed These will include openings in the air barrier system created by lights ducts electrical wiring pipes and attic hatches etc Polyethylene flaps should be installed between plates of interior partitions The flaps will be used to make the ceiling air vapour barrier continuous across the partition 5 15 Alternatively apply and seal the ceiling polyethylene air vapour barrier before framing interior wall partitions Similarly at the end of partition walls polyethylene flaps should be installed to
20. second approach may require the use of ladders or scaffolding to add the final corner panel See Figure 5 5 3 Alternate corner sealing approach See Figure 5 6 Trim panels straight and square Always use a straight edge on cuts Nails spaced at 6 152 mm o c Pa Owens Corning Acrylic Seam and Flashing Tape The figure below shows vertical Gasket placement at the outside corner and behind vertical joints in the FOAMULAR CodeBord sheathing panels NOTE Asingle FoamSealR Gasket may also be used to wrap the entire corner See Figure 4 2 Owens Corning Acrylic Seam and Flashing Tape ae Figure 5 5 Outside Corner of Exterior Wall FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL Owens Corning Seam and Flashing Tape E Joint covered with building paper for Gaskets between moisture 2 corners or spray foam from interior Figure 5 6 Corner Air Seal mm INNOVATIONS FOR LIVING 5 8 The assembly of inside corners is straightforward provided the order of erection is considered Again one wall will be required to butt up against another wall with a FoamSealR Gasket applied to the end of the abutting wall The main wall is assembled with an additional stud on the flat attached to the two stud corner The additional stud is intended to support a FoamSealR
21. strength the CodeBord Air Barrier System must be installed o with a minimum thickness of 25 4 mm exterior sheathing insulation over wood frame wall and o in the field by Owens Corning installers contractors according to the Owens Corning CodeBord Air Barrier System installation manual dated June 2003 which contains detailed construction drawings which must be followed see Appendix A for examples e A copy of the installation instructions must be available on the job site at all times during the installation for review by building officials All installers must present their identification card upon request by the building official 4 Technical Evidence mm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 9 8 APPENDIX CCMC s Technical Guide for CodeBord Air Barrier System sets out the nature of the technical evidence required by CCMC to enable it to evaluate a product as an acceptable or alternative solution in compliance with the NBC 2005 The Report Holder has submitted test results for CCMC s evaluation Testing was conducted at independent laboratories recognized by CCMC The corresponding test results for CodeBord Air Barrier System are summarized below 4 1 NBC 2005 Compliance Data for CodeBord Air Barrier System on which CCMC Based its Opinion in Section 1 4 1 1 Performance Requirements The CodeBord Air Barrier System has demonstrated performance that
22. the expanding foam from warping the frame assembly Recommended 1 2 12mm Minimum 3 8 9 mm Avoid applying the Owens Corning Foam Sealant in a Caulking optional single pass around window and door openings Instead apply the first pass to seal the outer edge of the window opening to the sheathing After the foam has fully cured you may complete filling the gap Foam sealant can form a water tight barrier It is recommended to caulk all four edges Figure 4 6 Owens Corning Foam Sealant INNOVATIONS FOR LIVING FOAMULAR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING ASSEMBLY DETAILS AND PLANNING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL 5 The installation of the FOAMULAR CodeBord Air Barrier System is quite simple The installation checklist on the next page can be used to keep track of the work and to review construction sequencing Remember to have the appropriate tools and materials on site There is no substitute to doing the job right the first time It will save you time and money in the long run Review the installation checklist and see the full details ahead This chapter will provide the details that will help the system perform as expected Answering the questions below may help you to organize your approach to installing an air barrier
23. these typical details the sealing of the Owens Corning Acrylic Seam and Flashing Tape and the clear passage of water to the Polyethylene Vapour Barrier weepholes are critical y Owens Corning Acrylic Seam and Flashing Tape Flashing Weephole o Air Barrier Membrane Air Barrier Membrane Caulked to Concrete Foundation Wall 9 F Polyethylene Vapour Barrier Owens Corning Acrylic Seam Seam and Flashing Tape in place of gasketing ee Owens Corning Acrylic Seam and Flashing Tape Flashing Squash Blocks 16 Weephole Air Barrier Membrane Air Barrier Membrane Caulked to Concrete Foundation Wall 3 Figure 6 1 8 and 9 Foundation Wall Header Detail Owens Corning Acrylic Seam and Flashing and no FoamSealR Gaskets m INNOVATIONS FOR LWVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ALTERNATIVE DETAILS 6 3 Caulking and Backer Rod Box Window Detail Brick Veneer Vinyl Siding Spray Foam all sides DM oe v NI Owens Corning Acrylic Seam and FlashingTape top and sides only Owens Corning Acrylic Owens Corning Acrylic Seam and Seam and Flashing Tape Flashing Tape used in 3 ways Sealing rough opening
24. to FOAMULAR CodeBord panel Head Flashing lt 2 gt Sealing window frame to FOAMULAR CodeBord panel 3 Sealing head flashing to FOAMULAR CodeBord panel Owens Corning Acrylic Seam and Flashing Tape D Owens Corning Acrylic Seam and Flashing Tape top and sides only EN IMPORTANT NOTE All 4 corners of rough opening before installing window are sealed with 3 strips of Owens Corning Acrylic Seam and Flashing Tape NOTE Sill flashing not shown must be installed Figure 6 2 Flashing Around Windows Owens Corning Acrylic Seam and Flashing Tape with No FoamSealR Gaskets rm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING ALTERNATIVE DETAILS Box Window Detail Brick Veneer Vinyl Siding Caulking and Backer Rod or Owens Corning Foam Sealant continuous on all sides FoamSealR Gasket Owens Corning Acrylic Seam and Flashing Tape top and sides only Owens Corning Acrylic Seam and Flashing Tape Owens Corning Acrylic Seam and Flashing Tape used in 3 ways Sealing rough opening to FOAMULAR CodeBord panel Head Flashing lt 2 gt Sealing window frame to FOAMULAR CodeBord panel 3 Sealing head flashing to FOAMULAR
25. to the framing using nails with plastic or metal caps or washers Nails are spaced 6 on the perimeter and 8 o c in the field to obtain maximum compression of the sealing gasket Installing nails further apart could reduce level of airtightness but may yield an acceptable level of performance verified by an on site blower door test Nails should be driven solidly without breaking the surface of the insulating panel Key PoiNTS Understand how the air barrier system works Explain it clearly to your subtrades Plan ahead for a successful installation Supervise the work to guarantee quality Pay attention to detail mm FOAMULARG CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 2 2 Remember that understanding the air barrier system is the first step towards success Communicating your intentions carefully to your subtrades will also save you time money and aggravation The pages that follow will help you to master this new approach to air leakage protection TIPS FOR SUCCESS The tips below have been compiled from the experiences of other successful builders Review them as you begin considering integrating the FOAMULAR CodeBord Air Barrier System in your houses 1 Plan Ahead Before starting construction review the house plans with your crew s Take the time to discuss the air barrier system to resolve difficult details Use a planning checklist see Chapter 5 to he
26. two layers of sill plate FoamSealR Gasket may be required to achieve a proper seal NOTE Install bracing at 45 or a slightly steeper angle Step 2 Build the floor structure and apply the floor sheathing Step 3 Frame the wall structure make square and apply lateral bracing optional but recommended for long walls m FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 2 4 For flashing installation details and techniques refer ahead to Chapter 5 for Flashing Details Step 4 Apply a FoamSealR Gasket to the outside of the sill plate over the joint at the header On the outside edge of the floor header mark where the panel joints on the wall system exist Then install the FoamSealR Gaskets vertically at these marks Vertical gaskets should terminate at the top of the subfloor Always install FoamSealR Gastes over bracing to maintain proper seal Step 5 Install the FoamSealR Gasket to the outside of the wall frame at each panel joint At the top of the wall leave a flap to allow it to lap over the second top plate and second floor header joint See Chapter 5 Step 6 Fasten insulating sheathing to the wall frame using appropriate ring nails and washers Nails must be spaced no more than 6 o c on the perimeter and 8 midboard and intermediate framing members sheathed with FOAMULAR CodeBord INNOVATIONS FOR LWVIN
27. with acoustical caulking The required continuity of the air barrier plane is achieved on the exterior side of the wall with the FOAMULAR CodeBord Air Barrier System The polyethylene on the interior side in this instance only acts as a vapor barrier and hence does not require to be sealed However the ceiling polyethylene should be detailed to be airtight if it is intended to fulfill the functions of the vapour barrier and of the air barrier The polyethylene sheets should always overlap generously minimum 4 100 mm at seams for both wall and ceiling installations regardless of the seams being sealed or not 13 Is it necessary to seal the interior electrical boxes As with the interior wall polyethylene vapour barrier it is not necessary to air seal interior electrical boxes i e outlets light switches when the FOAMULAR CodeBord Air Barrier System is used Note that it is necessary to seal around air tight electrical boxes and other penetrations passing through the FOAMULAR CodeBord Air Barrier System 14 Must I use polyethylene sheets as the interior vapour barrier when the FOAMULAR CodeBord Air Barrier System is used on the outside It may be possible to replace the traditional polyethylene vapour barrier in exterior walls with a vapour retarder paint applied to the interior gypsum board finish This should be discussed with your local building official s in order to facilitate the approvals process F
28. 424 91 2008 Determining the Rate of Air Leakage through Exterior Windows Curtain Walls and Doors Under Specified Pressure and Temperature Differences Across the Specimen at an air temperature of 20 C to verify any deformation causing leakage at low temperatures The air leakage rate requirement is based on the following permissible air leakage rates which are considered to be in accordance with the NBC in regards to air barrier system performance ess INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL APPENDIX 9 9 Water Vapour Permeance of Maximum Permissible Air Outermost Layer of Wall Assembly Leakage Rates ng Pa s m L s m2 75 Pa 15 WVP lt 60 0 05 60 lt lt 170 0 10 170 lt WVP lt 800 Since the CodeBord extruded polystyrene is less than 60 ng Pa s m for a 25 4 mm thickness this air leakage requirement must be met However due to the reduction in the risk of condensation from the insulation value the air leakage rate could be increased by 0 05 L s m if the insulation sheathing meets Table A 9 25 1 2 A Minimum Thickness of Low Permeance Insulating Sheathing of Division B of the NBC 2005 Table 4 1 1 2 Results of Durability Testing of Components in the CodeBord Air Barrier System Component Requirement Result Air permeance before and after aging ASTM D 726 84 lt 10 increase Co
29. 5G 2 5 Toronto ON M5G 2E5 T 416 585 4234 416 585 4234 416 585 7531 416 585 7531 Ontario W www ontario ca buildingcode W www ontario ca buildingcode RULING OF THE MINISTER OF MUNICIPAL AFFAIRS AND HOUSING Pursuant to Section 29 1 a of the Building Code Act 1992 the Director of the Building and Development Branch as delegate of the Minister of Municipal Affairs and Housing the Minister hereby approves the use of CodeBord Air Barrier System subject to the following terms and conditions Minister Ruling Number 09 39 237 12935 R File No 09 23 Issued on December 30 2009 1 MANUFACTURER 2 MANUFACTURING FACILITIES Owens Corning Canada Inc Scarborough ON 3450 McNicoll Avenue Scarborough ON M1V 125 Tel 800 988 5269 Fax 800 989 8298 Web www owenscorning ca 3 SPECIFIC CONDITIONS a The use of CodeBord Air Barrier System is approved for use as an air barrier system in respect of the requirements of Subsection 5 4 1 and 9 25 3 of Division B of Ontario s 2006 Building Code Ontario Regulation 350 06 the Building Code b CodeBord Air Barrier System shall comply with the Building Code Act 1992 and except as specifically provided otherwise in this Ruling with the Building Code c the use of the CodeBord Air Barrier System must be in accordance with Canadian Construction Materials Centre the CCMC Evaluation Report No CCMC 12935 R the Evaluation Report issued o
30. AMULAR CodeBord Air Barrier System requires all exterior walls be clad with FOAMULAR CodeBord panels with all of their joints sealed by a FoamSealR Gasket The insulating sheathing is fastened to the wall frame using appropriate ring nails and washers Once completed the wall can be lifted and secured in place In erecting the walls pay particular attention to the order in which the walls are lifted into place In some cases sealing corners is easier when the order is carefully considered When the walls are assembled remember to leave a FoamSealR Gasket flap at the top of the wall to extend over the second floor header Assembling corners can become challenging unless you apply some forethought to the process Two alternatives are available for framing outside corners that is normal corners that meet at 90 At the corner the wall is framed with a piece of FOAMULAR CodeBord panel that extends beyond the edge of the wall The panel extension is intended to cover the end of the abutting wall The extension should be as wide as the abutting wall is thick 1 framing and CodeBord sheathing The wall is assembled and tilted up The abutting wall is sheathed normally however a FoamSealR Gasket is attached to its end to seal the panel extension of the opposing wall 2 Walls are sheathed normally as part of the second alternative The extension left off and sheathed after the wall is tilted up This
31. ATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 13 Shingle Flashing Detail Option B Use caulking to seal the joint in the ceiling polyethylene Owens Corning Acrylic Seam and Flashing Tape Polyethylene air vapour barrier Metal Roof Flashing Shingles x Ene _ RAFTER Ledger Board je I MEE I e heated 1 space ie unheated heated Transition to interior polyethylene mal air vapour barrier I 0 Owens Corning Acrylic Seam and Flashing Tape FoamSealR Gasket FOAMULAR CodeBord gt I as air barrier Figure 5 12 Exterior Walls Projecting Past Attached Structure Shingle Flashing Detail Option B rm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 5 14 Cathedral ceilings are treated the same as typical ceilings when rafters or trusses are used for framing In the case of flat cathedral ceilings like the one depicted in Figure 5 13 where the FOAMULAR CodeBord and FoamSealR Gasket is on the outside caulked polyethylene is stapled on the inside of the top plate is normally sufficient ASSEMBLY DETAILS AND PLANNING In the case of sloped cathedral ceilings the proper fitting and placement of FoamSealR Gaskets to
32. Bord mm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 5 20 ASSEMBLY DETAILS AND PLANNING This typical detail can also be applied to wood siding The position of the flashing is important for effective protection against water penetration FoamSealR Gasket required is using separate header foam insert Furring Strip optional depending on local building code requirements Sheathing Membrane building paper Flashing FoamSealR Gasket Siding Starter Strip Flashing Cap Figure 5 20 Siding Flashing Detail with Sheathing Membrane FoamSealR Gasket Owens Corning Acrylic Seam and Flashing Tape Flashing FoamSealR Gasket Weephole Figure 5 21 Brick Flashing Detail with Owens Corning Acrylic Seam and Flashing Tape FoamSealR Gasket m INNOVATIONS FOR LWVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 21 FoamSealR Gasket required if using separate header foam insert Flashing installed behind FOAMULAR CodeBord FoamSealR Gasket Weephole gt
33. Bord panel the face of the wall below In assembling the system and prior to fastening make sure that the horizontal insulating sheathing panel is tightly pressed against the vertical panel compressing the foam gasket at the joint An alternative method is to seal the joint between the horizontal and vertical panels using the Owens Corning Acrylic Seam and Flashing Tape Where garages are attached to a house care must be taken to prevent fumes and exhaust from the garage from getting into the house This is especially true where rooms are located above Install the air barrier system on the exterior walls normally FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL 5 25 Where the floor system sits on a masonry wall install a FoamSealR Gasket along the perimeter of the sill plate If the floor system sits on a frame wall install a gasket over the FOAMULAR CodeBord panel along the inside perimeter at the top of the wall Jamb a horizontal CodeBord panel tightly against the gasket at the sill plate or at the top of the wall and fasten the panel to the underside of the floor system The joints between the insulation panels can be sealed by Placing a FoamSealR Gasket behind the joint and using Owens Corning Foam Sealant or caulking to seal the joint or 2 Use Owens Corning Acrylic Seam and Flashing Tape Installing the air barrier system on the exposed floor over an unheated crawlspace is similar to
34. Chapter 2 For basic methods see Installing System Components in Chapter 4 Floor Over Garage amp Bay Window Floor See Pages 5 25 Ceiling See Page 5 15 See Page 5 7 S See Page 5 6 See Page 5 16 For Flashing Details of Windows and Headers See Page 5 18 Air Vapour Barrier Details N Second Floor Header Ground Floor Header Windows and Doors FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING 5 4 PLANNING THE INSTALLATION SEQUENCE Planning the installation of the FOAMULAR CodeBord Air Barrier System is an important first step that should never be forgotten By considering the details before construction begins the work will go smoother and the quality of construction and productivity will improve Always consider the relationship of construction sequence to the air barrier system details Minor adjustments to the construction sequence can significantly simplify the installation of the air barrier system Planning should consider the installation of a FoamSealR Gasket at all panel joints the installation of a FoamSealR Gasket that is expected to span from one panel on one assembly to another panel on another assembly e g panels on adjacent storeys the construction of outside corners to avoid the use of scaffolding or ladders to provide a seal the construction of inside corners to allow for p
35. FOAMULAR CodeBord Air Barrier System amp coo R AIR BARRIER Installation Manual SYSTEM MADE IN CANADA scs CERTIFIED OWENS CORNING CANADA LP 3450 McNicoll Avenue Scarborough ON MIV 125 INNOVATIONS FOR LIVING The insulation is manufactured with a blowing agent with 70 less global warming potential as compared to Owens Corning previous blowing agents GREENGUARD Children amp Schools Mark is a registered certification mark used under license through the GREENGUARD Environmental Institute THE PINK PANTHER amp 1964 2012 Metro Goldwyn Mayer Studios Inc All Rights Reserved The colour PINK is a registered trademark of Owens Corning 2012 Owens Corning Pub No 300494 ACKNOWLEDGEMENTS Owens Corning wishes to express its appreciation to those members of the building industry who have contributed to the development of this manual This includes the numerous builders building officials design professionals and not least the Owens Corning staff members Salvatore Ciarlo and Andy Goyda who aided in the development and demonstration of the FOAMULAR CodeBord Air Barrier System Steering Committee Owens Corning gratefully acknowledges the extensive technical support and commitment provided by the following steering committee members Without their aid and guidance this manual would not have been possible Ed Barbison City of Mississauga Tony Boyko Town of Markham Frank
36. G FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL GETTING STARTED 2 5 e 9 ooe Ss S amp Step 7 Erect the wall and temporarily brace it securely Complete nailing the FOAMULAR insulating sheathing to the floor header Review the installation and ensure it is correct before proceeding Step 8 After all of the ground floor walls are erected repeat the procedure for second floor walls if applicable Step 9 Build the roof structure and install polyethylene air vapour barrier at the roof ceiling Acoustical caulking may be used to seal the polyethylene Step 10 Ensure all exposed floors are properly sealed Seal around all windows doors other penetrations and all the unintentional openings in the building envelope Seal all other openings in the air barrier system e g in the basement at projections and other locations FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 2 6 SUGGESTED PRACTICES As you construct the air barrier system you will need to consider a number of related items that are important ingredients to your overall success Consider each of these good practice suggestions carefully as you set about to assemble the FOAMULAR CodeBord Air Barrier System Temporary Bracing Temporary bracing is recommended for exterior walls verify applic
37. IMATING QUANTITIES Estimating the quantity of material that you will need to complete the project need not be a complex task Remember that you will no longer need to purchase caulking sealant to seal the polyethylene air vapour barrier for the wall areas The guideline below will help you to order the right amount of material to get the job done GUIDELINE FOR ESTIMATING QUANTITIES Number of 4 x 9 Building CodeBord panels Perimeter 4 for each storey Number of Nails _ Number x 75 and Washers of Panels Number of Buildi Perimeter of FoamSealR nS X A all doors and 82 Gasket Rolls windows where A 6 25 for storey house 9 5 for 2 storey house 12 75 for 3 storey house A typical house will need approximately 24 12 oz or 12 20 oz cans of Owens Corning Foam Sealant 6 Rolls of Owens Corning Acrylic Seam and Flashing Tape mm INNOVATIONS FOR LIVING 3 4 FOAMULAR AIR BARRIER SYSTEM COMPONENTS Table 3 1 Typical Physical Properties and Coverage for Non Combustible EcoTouch PINK FIBERGLAS Insulation for Wood Stud Walls Thermal Thickness Width Length Resistance per Bag R RSI U value in mm in mm in mm sq ft sq m 15 381 47 1194 97 9 9 10 15 381 48 1219 90 0 8 36 12 2 11 0 47 3 5 89 23 584 47 1194 150 1 13 95 23 584 48 1219 138 0 12 82 15 381 47 1194 78 3 7 28 14 2 46 0 41 3 5 89 23
38. IR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING 4 4 FOAMULAR CODEBORD INSULATING SHEATHING APPLICATION FOAMULAR CodeBord insulating sheathing is the principal air barrier component of the air barrier system Follow these simple steps to ensure optimal performance 1 All panel edges should be straight and tight fitting Poorly fitting boards can allow air to leak 2 Ensure a FoamSealR Gasket is located beneath all panel joints The gasket seals leakage at the joints 3 Locate all FOAMULAR CodeBord panel joints over studs or other framing lumber Centre the panel joint over the framing lumber support It is important that the FoamSealR Gasket under each joint is under compression between the panel and framing 4 When nailing the FOAMULAR CodeBord insulating sheathing to the frame use a piece of lumber to kneel on This will avoid accidentally breaking the insulating sheathing between the framing members 5 Repair or replace all damaged or broken panels Refer to Chapter 7 for repair instructions 6 Seal all penetrations with foam caulking or tape Refer Chapter 5 for installation details NAILING The nails and washers fulfill a number of important functions These fasteners must 1 Hold all of the panels in place 2 Compress the FoamSealR Gasket to provide the seal and 3 Help the air barrier to resist strong wind pressures ensuring long term performance
39. LLATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 31 1 2 Plywood Caulking FoamSealR Gasket Alternative to sheathing paper is to face seal metal flashing to the FOAMULAR CodeBord with Owens Corning Acrylic Seam and Flashing Tape Owens Corning Acrylic Seam and Flashing Tape or Sheathing Paper Weephole MEET Metal Counter Flashing NES Flashing Batt Insulation air barrier Gasket sealed lt Gypsum board Polyethylene vapour barrier FOAMULAR CodeBord as Batt Insulation FoamSealR Polyethylene clamped or Polyethylene sheet lapped EM min 4 to ceiling air vapour Gypsum barrier and clamped to solid board blocking with gypsum board 1 FOAMULAR CodeBord as air barrier Polyethylene vapour barrier Figure 5 37 Interior Air Barrier Ceiling Bay Window Projections Polyethylene air vapour barrier Polyethylene sealed or clamped to ceiling air vapour barrier FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING ALTERNATIVE DETAILS ALTERNATIVE DETAILS FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL 6 1 those who would want to take advantage of the improved air tightness that is available with the FOAMULAR CodeBord Air Barrier System but is not prepared to accept the full installation prac
40. NK Metal Washers FIBERGLAS Insulation R 12 R 14 R 20 R 22 or FOAMULAR CodeBord insulating sheathing can be R 24 installed on the outside of wood framed walls as part of an exterior air barrier system It is recommended to Figure 3 1 Components of the FOAMULAR CodeBord Air install the exterior finish as soon as practical Barrier System INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL FOAMULAR CODEBORD AIR BARRIER SYSTEM COMPONENTS 3 3 FOAMSEALR SEALING GASKETS FoamSealR is Owens Corning s flat profile sealing gasket The closed cell polyethylene strip gasket is durable and moisture resistant and will remain intact for years of energy saving performance FoamSealR is available in 82 ft length rolls of 3 5 or 5 5 widths The FoamSealR Gasket is easy to install requiring no special tools It is able to fill gaps between the sill plate and the top of the foundation wall and between all panel joints It seals out air and keeps out insects OWENS CORNING FOAM SEALANT Owens Corning Foam Sealant is used in locations where air leakage might occur and can be applied both on the interior and on the exterior of the building POLYETHYLENE AIR VAPOUR BARRIER Sealed Polyethylene can be used to assure the continuity of the air barrier plane for insulated ceilings MECHANICAL FASTENERS To fasten FOAMULAR CodeBordQ insulating she
41. NS FOR LIVING GETTING STARTED not to fill the cavity between the window frame and the rough opening with too much foam This can cause the window frame to bow making window operation difficult or impossible When foaming of the gaps is not possible because of space limitations use caulking Before applying the foam sealant caulk all corners of rough openings 7 Inspection Once the air barrier system is in place an inspection to identify gaps and openings in the system is advised During the inspection look for any areas that require repair for example nail holes damaged sheathing areas left unsealed and areas that have missing FoamSealR Gaskets see Chapter 7 for Repairs Plan for another inspection after the plumbing and electrical work is completed and before the cavity insulation and interior finishing has begun BASIC INSTALLATION SEQUENCE For most houses the installation sequence that is typically recommended follows the 10 simple steps shown on the following pages TiPs To REMEMBER Plan ahead Attend to the details Inspect all of the work Carefully seal all leaks and openings FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL GETTING STARTED 2 3 Step 1 Build the foundation walls normally and install FoamSealR Gaskets at the top of the foundation wall beneath the sill plate Install the sill plate Note When the top of the foundation wall is rough or uneven
42. OAMULAR is used without a sheathing membrane FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 19 This typical detail can also be applied to wood siding The position of the flashing is important for effective protection against water penetration Furring Strip optional depending on local building code requirements Owens Corning Acrylic Seam and Flashing Tape Flashing FoamSealR Gasket FoamSealR Gasket Siding Starter Strip Flashing Cap Figure 5 18 Siding Flashing Detail with Owens Corning Acrylic Seam and Flashing Tape This typical detail can also be applied to wood siding The position of the SealR Gasket flashing is important for effective f T protection against water penetration header foam insert Furring Strip optional depending on local building code requirements Flashing installed behind FOAMULAR CodeBord 2 Rm FoamSealR Gasket H idi i FoamSealR Gasket Siding Starter Strip Flashing Figure 5 19 Siding Flashing Detail with Flashing Behind FOAMULAR Code
43. OAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL 8 3 15 How is window flashing installed within the FOAMULAR CodeBord Air Barrier System Where it has been decided to adopt the FOAMULAR CodeBord Air Barrier System and the local building code allows the use of insulating sheathings in lieu of sheathing membranes window and wall flashing should be detailed and installed as shown in Chapter 5 and 6 Flashing can be installed behind the foam boards or face sealed using approved flashing and sheathing tape such as Owens Corning Acrylic Seam amp Flashing Tape 16 How should Owens Corning FoamSealantbe stored and installed Prevent the foam sealant from freezing and follow instructions on the can to ensure proper installation and storage mm INNOVATIONS FOR LIVING 8 4 FREQUENTLY ASKED QUESTIONS INNOVATIONS FOR LIVING FOAMULAR BARRIER SYSTEM INSTALLATION MANUAL APPENDIX 9 MINISTERS RULING FOR ONTARIO CCMC EVALUATION REPORT m FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 9 2 APPENDIX INNOVATIONS FOR LIVING FOAMULAR BARRIER SYSTEM INSTALLATION MANUAL APPENDIX 9 3 A Ruling of the Minister MS Ministry of Municipal Affairs Minist re des Affaires municipales and Housing et du Logement 777 Bay Street 2 Floor 777 rue Bay 2 tage Toronto ON M
44. able building code requirements and details Let in T bracing or corner bracing can be used to provide the necessary racking resistance Sheathing Membrane Sheathing membrane e g building paper is not required over XPS foam insulating sheathing with shiplapped or sealed joints Check with your local building official for compliance Where the sheathing membrane is not used all flashing details should be reviewed to ensure a proper lap exists that permits water to be shed easily to the outdoors see Chapter 5 for Flashing details Airtight Electrical Boxes Although your air barrier system is on the outside of the structure airtight electrical boxes on the inside wall finish may be used as well if desired but are not required Clamp Polyethylene Vapour Barriers It is not necessary to seal the interior wall polyethylene vapour barrier however ensure the polyethylene sheet provides coverage as it controls the diffusion of water vapour Fasten Windows When installing windows use shims as necessary Shim and fasten the windows to the rough frame at their midpoint on all sides of the frame in addition to the corner attachments Fireplaces The outside air barrier system must extend across all elements including masonry fireplaces Fireplaces and their chimneys should preferably be constructed on the inside of the shell of the building INNOVATIONS FOR LIVING GETTING STARTED CONSTRUCTION INSIGHT Studies indic
45. all Junction FOAMULAR amp air barrier air vapour barrier Polyethylene Caulking used to seal joint in ceiling polyethylene vapour barrier INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 11 in place to prevent slicing the air barrier membrane ania UU age Cut and fit FOAMULAR CodeBord above the ledger board Use a straight edge for all cuts and avoid cutting the CodeBord Path of continuous air barrier n vapour barrier SECTION TOP VIEW Polyethylene Caulked polyethylene acting as air vapour barrier E s FOAMULAR FOAMULAR Ledger CodeBord CodeBord Board air barrier acting as insulation only Seal polyethylene with caulking to the studs forming the perimeter of the gasketed area where the porch structure ties into the wall structure to transition the air barrier from the polyethylene air vapor barrier through the studs to the gasket to the FOAMULAR CodeBord Polyethylene Air Vapour Barrier Ledger Board Attached Structure ALTERNATIVE SURFACE MOUNTED LEDGER BOARD Interior polyethylene as vapour barrier only 4 5 Air barrier membrane clamped n to sealing gasket
46. am Too much foam can cause the frame to bow and the door or window to stick 6 Install required window flashing See Figure 5 16 INNOVATIONS FOR LIVING ASSEMBLY DETAILS AND PLANNING Window and door openings must have FoamSealR Gasket applied around the entire perimeter IS See the Flashing section ahead for important details and techniques IMPORTANT NOTE Caulk all 4 corners of rough opening before installing window and applying Owens Corning Foam Sealant FOAMULARO CodeBord r FoamSealR Gasket r Owens Corning Foam Sealant Figure 5 16 Doors and Windows FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL 5 17 ASSEMBLY DETAILS AND PLANNING Exterior electrical boxes will require attention since these will need to be sealed to prevent air leakage Where brick veneer is used and where the electrical box does not puncture the FOAMULAR CodeBord panel only the space around the electrical wire from inside of the house needs to be sealed Where the box penetrates through the panel it needs to be secured to framing The interior stud a furring strip or a nailer board can be used to support the box The perimeter of the electrical box must be sealed to the outside of the CodeBord panel with Owens Corning Foam Sealant An inspec
47. and to seal gaps that cannot otherwise be sealed Taping and caulking will typically be required for areas that cannot be sealed effectively with a FoamSealR Gasket and a FOAMULAR CodeBord panel Always select the right materials that do the job properly and prepare the surface before application The Owens Corning Acrylic Seam and Flashing Tape should be applied to clean surfaces Taping over dusty greasy or dirty surfaces will prevent the tape from adhering properly Caulking should be water based and compatible with polystyrene insulating sheathing if it is used on the panels Normally a latex or silicone caulking is acceptable Non hardening caulking like acoustical sealant should be used for sealing polyethylene or for those applications where the caulking needs to stay flexible When sealing polyethylene make sure that the sheet is appropriately lapped and stapled through the caulking INNOVATIONS FOR LIVING 4 6 INSTALLING SYSTEM COMPONENTS IMPORTANT NOTE To avoid bowing of window frames do not completely fill rough opening during first pass with foam sealant As a rule of thumb make rough openings for windows and doors 1 inch 25 mm larger than the window or door frame size If sufficient space is not provided it is difficult to insert the nozzle of the foam sealant to the end of the gap around the rough opening Make sure that window and door frames are shimmed and secured at the mid points to prevent
48. are standing Apply Owens Corning Foam Sealant later when sealing window and door openings Owens Corning Acrylic Seam and Flashing Tape Figure 5 8 Exterior Walls Other than 90 Owens Corning Acrylic Seam and Flashing Tape FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING 5 10 ROOF EXTERIOR WALL JUNCTIONS The continuity of the air barrier system at junctions between the exterior walls and roof is an important detail to plan and construct properly In many cases the use of an air barrier membrane or housewrap will be necessary to bridge the gap between the FOAMULAR CodeBord Air Barrier System on exterior walls and the polyethylene air vapour barrier on the ceiling For rafter and ceiling joist systems as well as most truss roofs housewrap is not required The top plate becomes part of the air barrier system sandwiched between the FOAMULAR CodeBord and FoamSealR Gasket one side and the stapled and caulked polyethylene on the other side as depicted in Figure 5 9 Figures 5 10 to 5 12 show how to maintain a continuous air barrier when an attached structure is framed in an exterior wall ASSEMBLY DETAILS AND PLANNING Use caulking to seal the joint in the ceiling polyethylene air vapour barrier Or clamped as permitted by local building official Figure 5 9 Roof Rafter and Exterior W
49. ate that most contractors lose time and money due to improper planning and lack of organization on the construction site Starting up each morning is made much easier by simply planning the work before going home at the end of the day This is a time when your memory is fresh and any problems or material requirements can be cleared up with your workers Neat well organized construction sites are safer with fewer obstacles to doing the job right Why pay workers to waste time looking for tools and materials when this should have been organized from the beginning of the project Finally most problems with product installations are due to a failure to read manufacturer s instructions In today s world of engineered products and systems if something is not going together easily chances are it is not being done right The keys to success are planning organization and when all else fails read the instructions FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL FOAMULAR CODEBORD AIR BARRIER SYSTEM COMPONENTS 3 1 The principal components of the FOAMULAR CodeBord Air Barrier System have been engineered to work best together Every component has been designed to provide the type of long term performance you have come to expect from Owens Corning products Do not accept any substitutes The principal system components include FOAMULAR CodeBord Insulating Sheathing Panels FoamSealR Polyethylen
50. athing panels use steel wire or spiral nails with either steel or plastic washer caps minimum diameter FoamSealR gaskets are attached to wood framing with 72 crown 12 7 mm steel wire staples OWENS CORNING ACRYLIC SEAM AND FLASHING TAPE Owens Corning Acrylic Seam and Flashing Tape is a self adhering tape compatible with FOAMULAR CodeBord sheathing It is recommended for use in residential applications for sealing around doors and windows as well as sealing other detail areas against water and air penetration Owens Corning Acrylic Seam and Flashing Tape is mils thick and is supplied in rolls 90 feet 27 4 m long Available roll widths include 3 5 4 6 or 9 89 102 152 229 mm widths FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL CAULKING SEALANT Used to seal polyethylene air vapour barrier for insulated ceilings and to seal small holes in the FOAMULAR CodeBord insulating sheathing panels ECOTOUCH PINK FIBERGLAS INSULATION EcoTouch PINK FIBERGLASQ insulation is manufactured using PureFiber technology Ecotouch glass fiber insulation is GREENGUARD Children amp Schools Certified and validated to be formaldehyde free The insulation blankets are designed for friction fit installation in frame cavities It contains a minimum of 7376 recycled content Ecotouch batts are available in R 12 R 14 R 20 R 22 or R 24 Refer to table 3 1 on the next page EST
51. d openings and penetrations such as those that result from the installation of doors windows electrical wiring electrical boxes piping or ductwork and Extend across attic access hatches In all cases the connections are the key to providing air barrier continuity and control of air leakage EFFECTIVE AIR BARRIER SYSTEMS To be effective an air barrier system must satisfy the following requirements The air barrier must be continuous Special attention is required at all joints and penetrations The air barrier assembly must have sufficient structural strength to resist wind loads Wind pressures should not cause the air barrier to tear fracture or detach itself from the building structure The air barrier system must be constructed using materials and components that are airtight air impermeable This not only includes flexible sheet and rigid board type materials but also their sealing components and The air barrier system must be durable and last at least as long as the building Air barrier materials must not deteriorate If the air barrier system does not address ALL of these requirements then the house may experience moisture damage cold drafts high energy bills and gradual deterioration overtime See Figure 1 1 INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM WHAT IS THE FOAMULAR CODEBORD AIR BARRIER SYSTEM The FOAMULAR CodeBord Air Barrier System co
52. d the foam boards or face sealed using approved flashing and sheathing tape The Owens Corning Acrylic Seam and Flashing Tape is currently undergoing CCMC review and approval is pending for the use of the Tape as flashing tape and to adhere flashing to the foam While approval is pending builders may be required to install the flashing behind the foam Please consult with the local municipality m INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 23 Furring Strip optional depending on local building code requirements ae Owens Corning Acrylic Seam and Flashing Tape FoamSealR Gasket J Trim Head Flashing gt 4 Owens Corning Foam Sealant ensure extension to outer lintel Sill Pan gt Owens Corning Acrylic Seam and Flashing Tape Mim FoamSealR Gasket i Furring Strip Polyethylene Vapour Barrier TOP VIEW Figure 5 25 Flashing Around Windows Gasketing rm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 5 24 ASSEMBLY DETAILS AND PLANNING In this typical detail the sealing of the Owens Corning Seam and Flashing Tap
53. deBord Air Barrier System sealing at joints and fastening details m INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL APPENDIX N 9 13 As rule of thumb make rough openings for windows and doors 1 inch 25 mm larger than the window or door frame size If sufficient space is not provided it is difficult to insert the nozzle of the foam sealant to the end of the gap around the rough opening Make sure that window and door frames are shimmed and secured at the mid points to prevent the expanding foam from warping the frame assembly Foam sealant Minimum nini 3 8 to 1 2 to maintain continuity at 9 to 12 mm penetrations Avoid applying the foam sealant in a single pass around window and door openings Instead apply the first pass IMPORTANT NOTE To avoid to seal the outer edge of the window bowing of window frames do not opening to the sheathing After the completely fill rough opening during foam has fully cured you may first pass with foam sealant complete filling the gap Figure3 Sealing at penetrations with CCMC evaluated spray in place foam sealant and caulking Stud Support Foam Sealant Siding Caulking Outdoor Foam Sealant Electrical Box Locate electrical box adjacent to stud framing member Cap and cut hole in the CodeBord Apply FoamSealR gasket to stud and attach stud support for electrical bo
54. deBord insulating Thermal resistance after heat aging and weathering Passed 90 retention FoamSealR polyethylene sealing Oxidative induction time OIT Passed gasket gt 30 minutes Proprietary spray in place foam Air leakage after aging Passed sealant lt 0 5 L s at 75 AP e Caulking sealant for protection CAN CGSB 19 0 M77 Not evaluated for from weather durability of air leakage performance Note to Table 4 1 1 2 1 The results of the testing were deemed a pass when reviewing the performance of the control specimen and considering the error and bias of the test procedure Report Holder Owens Corning Canada Inc 3450 McNicoll Avenue Scarborough ON MIV 1Z5 Tel 800 988 5269 Fax 800 989 8298 Web www owenscorning ca Plant s Grande le Valleyfield QC This Report is issued by the Canadian Construction Materials Centre a program of the Institute for Research in Construction at the National Research Council of Canada The Report must be read in the context of the entire CCMC Registry of Product Evaluations including without limitation the introduction therein which sets out important information concerning the interpretation and use of CCMC Evaluation Reports Readers must confirm that the Report is current and has not been withdrawn or superseded by a later issue Please refer to http www nrc cnrc gc ca eng services irc ccmc html or contact the Canadian Constructio
55. e PLAN VIEW Gasket MORET 1 1 FoamSealR Gasket HI Polyethylene I H vapour barrier 1 1 1 Caulking or Owens Corning X Foam Owens Corning Acrylic Seam and Foam Sealant or Flashing Tape Owens Corning AcrylicSeam Ne see ee em eee ee _and Flashing Tape E Pad GARAGE FoamSealR Gasket Owens Corning Acrylic Seam and gt Flashing Tape Caulking or Figure 5 32 PLAN VIEW Garage Wall to House Wall Junction Continuity Detail Owens Corning Foam Sealant or Owens Corning Acrylic Seam and Flashing Tape rm INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING SPECIAL CASES By now it should be clear that planning ahead will save you time and aggravation later Review all of your details and think about the construction before you start number of special cases will likely require your attention as you attempt to build in the continuity of the air barrier system Wood and gas fireplaces and stoves can penetrate the air barrier where they vent and sometimes where they are installed Wood frame walls should extend around all of these appliances including around their chimneys and vents This will provide a number o
56. e and the clear passage of water to the weepholes are critical Polyethylene Vapour Barrier Owens Corning Acrylic Seam and Flashing Tape FoamSealR Gasket Weephole Head Flashing Brick Lintel Owens Corning Foam Sealant ensure extension to outer lintel Jointed Masonry sill FoamSealR Gasket Mortar Owens Corning Acrylic Seam and Flashing Tape Weephole Sill Flashing m Caulking Figure 5 26 Flashing Around Windows FoamSealR Gasketing m INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING EXPOSED FLOORS When floors are exposed to outdoor temperature they will require air barrier protection These typically will include cantilevered floors such as those under bay windows floors over unheated garages or over unheated crawlspaces In all of these cases the FOAMULAR CordBord Air Barrier System is applied to the underside of the exposed floor Exposed cantilever floors are easily sealed by installing a FoamSealR Gasket at the edge of the floor system beneath the header joist and rim joist s A second gasket is installed at the intersection of the horizontal panel installed on the underside of the exposed floor and vertical FOAMULAR Code
57. e Joints NEVER set nails so that washers overlap the edges of the sheathing This prevents proper joining of boards x Figure 4 4 FOAMULAR Sheathing Application FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INSTALLING SYSTEM COMPONENTS ATTACHMENT OFPOLYETHYLENE AIR VAPOUR BARRIER Polyethylene used as the air vapour barrier at insulated ceilings or roofs needs to meet all applicable material standards Standards will often specify material characteristics and minimum material thickness Polyethylene that is used as the principal air barrier material must be sealed to provide a continuous barrier to air leakage See Figure 4 5 Polyethylene used only as a vapour barrier does not need to be sealed It should however be lapped at least 4 inches over framing members Remember never to install polyethylene on the cold side of the insulation in winter Vapour barriers like polyethylene are prone to condensation if they are permitted to become too cold CodeBord air barrier p io Polyethylene air vapour barrier Polyethylene vapour barrier The use of a polyethylene air vapour barrier for ceilings is recommended Install it to lap over the wall vapour retarder and extend down the top plates Apply acoustical caulking before clamping the polyethylene in place In all cases the polyethylene must be clamped by the drywall against a supp
58. e Sealing Gasket Owens Corning Foam Sealant Mechanical Fasteners F OA BA U LA RE Owens Corning Acrylic Seam and Flashing Tape Ecotouch PINK FIBERGLAS insulation CopEBoRD Ain BARRIER SYSTEM COMPONENTS PROBLEMS WITH COMPONENTS Some of the components shown in Figure 3 1 are not Owens Corning products If you are unsure or unable to find the right components to go along with our products contact your Owens Corning representative for a list of suggested manufacturers m FOAMULARG CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 3 2 FOAMULAR AIR BARRIER SYSTEM COMPONENTS FOAMULAR CODEBORD INSULATING SHEATHING PANELS ra INNOVATIONS FOR LING INNOVATIONS FOR FOAMULAR CodeBord insulating sheathing panels made of durable extruded polystyrene Type 3 provide increased insulation levels for the coldest of Canadian winters FOAMULAR CodeBord panels save energy reduce thermal bridging through studs and increase comfort levels throughout the house Four foot wide FOAMULAR FoamSealR Extruded Polystyrene Insulating Polyethylene Sealing FOAMULARG CodeBord amp panels up fast Installed Sheathing 4 x8 or 4 9 with Gaskets 3 1 2 or 5 1 2 on the outside of the frame wall they save valuable living shiplap edges space on the inside of the wall The panels are
59. er the header in a single application rm INNOVATIONS FOR LIVING 5 6 ASSEMBLY DETAILS AND PLANNING When a header panel is used a horizontal gasket is installed behind the joint between the FOAMULAR Header CodeBord panels Panel Header Panel When 9 foot sheet of sheathing is too short a header panel is used It is installed after the wall has been erected Make sure to line up the vertical joints or install extra header FoamSealR Gaskets where required This FOAMULAR CodeBord panel is installed after the wall is erected Extend sill FoamSealR Gasket beneath header Figure 5 3 Header Panel with Engineered Wood Floor System Upper Wall P Apa Owens Corning Acrylic Seam and Flashing This is the way to detail an upper storey floor header when using 4 x9 FOAMULAR amp sheathing panels Precise alignment of the panels is necessary to ensure a snug fit Always cut panels using a straight edge Lower Wall Panel FoamSealR Gasket applied to lower wall top plate with flap to extend past header joint Figure 5 4 Header Panel at Second Floor m INNOVATIONS FOR LWVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING EXTERIOR WALLS FO
60. esulting from the information contained herein Our liability is expressly limited to replacement of defective goods Any claim shall be deemed waived unless made to us in writing within thirty 30 days from the date when the basis for it was or reasonably should have been discovered TABLE OF CONTENTS FOAMULAR CODEBORD AIR BARRIER SYSTEM 1 1 What is an Air Barrier System 1 2 Effective Air Barrier Systems 1 2 What is the FOAMULAR CodeBord Air Barrier System 1 2 The FOAMULAR CodeBord Air Barrier System Concept 1 5 FOAMULAR CodeBord Air Barrier System Benefits 1 6 GETTING STARTED 2 1 Tips For Success 2 2 Basic Installation Sequence 2 2 Suggested Practices 2 6 FOAMULAR CODEBORD AIR BARRIER SYSTEM COMPONENTS 3 1 FOAMULAR CodeBord Extruded Polystyrene Rigid Insulation 3 2 FoamSealR Sealing Gaskets 3 3 Owens Corning Foam Sealant 3 3 Polyethylene Air Vapour Barrier 3 3 Mechanical Fasteners 3 3 Owens Corning Acrylic Seam and Flashing Tape 3 3 Caulking Sealant 3 3 EcoTouch PINK FIBERGLAS Insulation 3 3 Estimating Quantities 3 3 INSTALLING SYSTEM COMPONENTS 4 1 Application of FoamSealR Gaskets 4 2 FOAMULAR CodeBord Insulating Sheathing Application 4 4 Nailing 4 4 Attachment of Polyethylene Air Vapour Barrier 4 5 Owens Corning Foam Sealant 4 5 Taping and Caulking 4 5 ASSEMBLY DETAILS AND PLANNING 5 1 Planning the Installation Sequence 5 4 Floor Headers 5 5 Exterior Walls 5 7 Roof Exterior Wa
61. f advantages beyond simplifying the air barrier system installation The thermal insulation of the building is substantially improved with the insulated house frame wail extending around the appliance This will result in energy savings In addition the approach will keep the flue for the appliance warm improving durability and venting for those appliances which rely on natural draft FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL 5 29 Beam pockets should be sealed with Owens Corning Foam Sealant These can be very leaky areas of the envelope and can compromise the entire air barrier system Figures 5 33 to 5 37 illustrate how to maintain air barrier continuity for special cases such as knee walls great walls tall walls and ceiling bay windows and projections Invariably there will be details that this manual has not covered To deal with these think about the way air leaks in and out of the building Developing new details can be challenging but not insurmountable particularly when you understand the fundamental way that air is kept from moving in or out of the house mm INNOVATIONS FOR LIVING 5 30 _ FOAMULAR CodeBord Sheathing sealed with FoamSealR Gaskets Top amp bottom of wall FoamSealR Gaskets 4 Owens Corning Acrylic Seam and Flashing Tape NOTE Look back at the Flashing section for important detai
62. floor headers The most common involves using 4 x 9 FOAMULAR CodeBord panels that extend over the header area while the alternative uses 4 x 8 panels over the walls with a header panel installed after the walls are erected The foundation walls are built with FoamSealR Gaskets installed at the top of the foundation wall beneath the sill plate Where large gaps exist between the sill plate and the top of the foundation wall a double layer of gaskets can be used If a double layer of gasket under the sill plate is still inadequate use a single gasket layer under the sill plate and from the interior seal the joint between the sill plate and the foundation wall with Owens Corning Foam Sealant After the sill plate is installed the floor system can be built and placed onto the foundation The wall system can be assembled on the floor platform with 4 x 8 or 4 x 9 FOAMULAR CodeBord panels A FoamSealR Gasket is applied over the outside face of the sill plate around the entire perimeter of the building If 4 x 9 panels are used on the wall the wall panel will extend to this gasket 5 5 If 4 x 8 panels are used a FoamSealR Gasket will need to be placed over the header extending downward from the top of the subfloor As well a gasket should be placed under the bottom plate of the 4 x 8 panel clad wall On the outside edge of the floor header mark the panel joints of the wall Vertical FoamSealR gaskets wi
63. g polyethylene housewrap tape caulking etc as required in some cases to provide continuity across all building assemblies See Figure 1 2 FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL FOAMULAR CODEBORD AIR BARRIER SYSTEM NOTE Pay attention to details in these areas of connections Air barrier continuity provided by building materials such as CodeBord concrete glass wall sheathing or polyethylene FOAMULAR CodeBord Air Barrier System Figure 1 1 Air Barrier Systems EFFECTIVE AIR BARRIER SYSTEMS To be effective an air barrier system must satisfy the following requirements p bi of materials and assemblies to 9 maintain air barrier Sig continuity VAL Ly An air barrier provides continuous E protection against air leakage by eliminating all holes gaps or cracks T over the entire building envelope b 7 ee ae cree A a zar pu The air barrier must be continuous Special attention is required at all joints and penetrations The air barrier assembly must have sufficient structural strength to resist wind loads Wind pressures should not cause the air barrier to tear fracture or detach itself from the building structure The air barrier system must be constructed using
64. g building paper over top Where a sheathing membrane is omitted when using the FOAMULAR CodeBord Air Barrier System the flashing should be installed under the CodeBord panel or adhered to the foam with approved tape see Flashing starting on Page 5 18 Be sure to check with your local building official before you begin construction Omitting the sheathing membrane may not be accepted in your area INNOVATIONS FOR LIVING ASSEMBLY DETAILS AND PLANNING Nails spaced at 6 Owens Corning Acrylic Seam and Flashing Tape Provide a 1 4 allowance in the length of the wall to accommodate FoamSealR Gasket Ta First construct this wall Second construct wall with corner studs then carefully erect and Owens Corning Acrylic attach to first wall Seam and Flashing Tape Owens Corning Foam Sealant OR Owens Corning Foam Sealant Owens Corning Acrylic m Seam and Flashing Tape Use one 5 7 2 FoamSealR Gasket as an alternative Figure 5 7 Inside Corner of Exterior Wall FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 9 Angled walls may be assembled using a header panel instead of a single 4 x 9 panel It may even be necessary to apply the FOAMULARG CodeBord after the walls
65. g a solvent based dampproofing material the extruded polystyrene panels should not be installed in contact with the dampproofing coat until it has dried Once a solvent based dampproofing material is no longer tacky or sticky to the touch the FOAMULAR CodeBord panels can be installed in contact with the dampproofed surface 2 What type of adhesive should I use with FOAMULAR CodeBord panels Use an adhesive developed specifically for rigid foam plastic thermal insulation panels latex based Construction adhesives typically contain solvents that will dissolve the foam plastic material 3 Will exposure to the sun damage FOAMULAR CodeBord panels Prolonged exposure to direct sunlight will cause a discolouration of the surface of FOAMULAR CodeBord exterior sheathing panels Alteration of the panel will be limited to the exposed surface i e the core will remain unaffected as long as the deteriorated surface remains undisturbed It is recommended to apply the exterior finish as soon as practical 4 Do I have to install corner braces when using FOAMULAR CodeBord panels FOAMULAR CodeBord exterior sheathing is not a structural sheathing material Corner bracing for structural framing may be required to resist construction or service loads For OBC Part 9 buildings the National and provincial building codes do not require bracing where exterior walls will have one of the following interior finishes gypsum
66. hey can overly compress and compromise the seal that the gasket provides NEVER stretch FoamSealR Gaskets This changes the thickness of the gasket causing an uneven compression air seal Apply gaskets flat and secure with staples Figure 4 1 Stretching of FoamSealR Sill Gaskets rm INNOVATIONS FOR LIVING INSTALLING SYSTEM COMPONENTS Use a single FoamSealR Gasket and wrap it around the corner OR Overlap FoamSealR Gasket flush at corner intersections DO NOT extend beyond to form a flap as this will lead to a leak in the fold Figure 4 2 Applications of FoamSealR Sill Gaskets at Intersections FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INSTALLING SYSTEM COMPONENTS 4 3 NEVER overlap FoamSealR Gaskets This will cause leakage at the gap Wall Framing Gasket Header Strip Header Gasket Sill FoamSealR Gaskets must be cut straight and Gasket square The horizontal header gasket overlaps the edge of the sill plate gasket The header strips end at the top of the subfloor The gaskets over wall framing are cut flush with the bottom plate Overlapped FoamSealR Gaskets cause gaps behind the sheathing which can reduce the effectiveness of the air barrier system Figure 4 3 Applications of FoamSealR Sill Gaskets FOAMULAR CODEBORD A
67. ing Acrylic Seam and Flashing Tape corners and bottom of opening 12 up each side N Figure 6 4 Flashing Around Flange Windows Owens Corning Acrylic Seam and Flashing Tape with FoamSealR Gaskets FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING ALTERNATIVE DETAILS Sill gaskets must be used on upper most top plates and first bottom plate All other joints can be taped using Owens Corning Acrylic Seam and Flashing Tape in place of gasketing over the studs gt Figure 6 5 Taping of Joints m INNOVATIONS FOR LIVING FOAMULAR BARRIER SYSTEM INSTALLATION MANUAL REPAIRS 7 l Mishaps and errors happen There are however easy ways to correct them to maintain air barrier continuity and control air leakage Holes in the air barrier system have to be sealed to ensure optimal performance of the system and of the wall assembly Small diameter holes such as those caused by nails can be sealed with caulking that is compatible with polystyrene Latex based or silicone caulking is acceptable For larger holes or where a broken piece of panel cannot be simply reinserted the damage can be repaired RE PAI RS by filling the gap with Owens Corning Foam Sealant It may be necessary to cover the opening on one side of the FOAMULAR CodeBord
68. ing results in gaps fill and seal them From the exterior attach the sheathing filler piece to the main sheet using Owens Corning Acrylic Seam amp Flashing Tape From the inside of the wall cavity fill the gap between the filler piece and the main sheet with Owens Corning Foam Sealant See Figure 7 2 WHO AND WHERE TO CALL FOR ASSISTANCE For assistance call Technical Services at Owens Corning Canada LP toll free at 1 800 504 8294 For Major damage such as large holes it may be necessary to replace the whole sheet Otherwise the repair procedure outlined below is recommended for larger holes e REPAIR SEQUENCE 9 or Cut out damaged area and use cut out piece to trace out replacement piece Cut out replacement piece then bevel edges Fit piece from outside and tape over joint Foam gap around replacement piece and trim flush after foam has set dry OR A n Tape over joint from inside Figure 7 2 Major Repairs rm INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL FREQUENTLY ASKED QUESTIONS FREQUENTLY ASKED QUESTIONS FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL 8 1 GENERAL QUESTIONS I Can I install FOAMULAR CodeBord panels in direct contact with the foundation dampproofing coating Using a water based dampproofing material should not present any problems However when usin
69. ll Junctions 5 10 Ceiling Air Vapour Barriers 5 15 Windows Doors and Other Penetrations 5 16 Flashing 5 18 Exposed Floors 5 25 Special Cases 5 26 ALTERNATIVE DETAILS 6 1 REPAIRS 7 1 FREQUENTLY ASKED QUESTIONS 8 1 APPENDIX 9 1 FOAMULAR CODEBORD AIR BARRIER SYSTEM FOAMULAR CopEBonp AIR BARRIER SYSTEM FOAMULAR CODEBORDO AIR BARRIER SYSTEM INSTALLATION MANUAL The FOAMULAR CodeBord Air Barrier System for houses and small buildings can provide clear advantages to you and your customers The system provides a cost effective means of achieving air leakage control for your building projects Owens Corning s simple and easy to understand installation procedures will make this the only air barrier system you use in your houses For your customers Owens Corning s innovation means a more comfortable home with reduced drafts and a better control over temperature and relative humidity The home is quieter because reduced air leakage means there are fewer paths for airborne noise penetration The building is more durable because of reduced potential for moisture damage due to condensation caused by air leakage And the improvement in energy efficiency resulting in reduced heating and cooling energy costs is an important bonus that costs virtually nothing extra The FOAMULAR CodeBord Air Barrier System is an external air barrier system which assures continuity of the air barrier and effectively minimizes air leakage I
70. ll need to be installed at these marks to seal the gap between the wall and header gaskets The vertical gasket will be compressed by the 4 x 9 panel that extends downward from the wall or by a separate panel applied directly to the header when 4 x 8 sheets are used See Figure 5 2 Where engineered floor systems are used and the header is too deep to be covered by 4 x 9 panel using 4 x 8 panels on the wall and sheathing the header separately is often the best approach See Figure 5 3 Second floor headers are sealed by a FoamSealR gasket that bridges the joint between the top plate of the main floor wall and the second floor header The gasket is intended to seal the joint between the main floor wall panel and the panel applied over the header The header panel can be a 4 x 9 sheet that extends over the header from the second floor walls or alternatively the header panel can be a separate FOAMULAR CodeBord sheet if 4 x 8 panels are used See Figure 5 4 Always trim FoamSealR Gaskets straight and square Cut sheathing 1 4 inch short to prevent damage when erecting the wall Figure 5 2 Ground Floor Header Joist FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL Ee Look ahead to Flashing on page 5 18 This is the most common method for joist type floor headers A 4 x 9 FOAMULAR 7 CodeBord sheathing panel is required to cov
71. lp you keep track of the air barrier system installation 2 Framing Plan stud positions ahead of time particularly for corners that are not at 90 3 FoamSealR Gaskets Improper gasket installation reduces the effectiveness of the air barrier system avoid stretching overlapping or improper butting of gaskets 4 FOAMULAR CodeBord All joints butt and shiplapped between sheathing panels must be supported by framing with FoamSealR Gaskets beneath the joint Cut insulating sheathing panels to provide a close fit Avoid creating large gaps between panels All edges of the rigid insulation panels should be supported by framing Blocking should be used between vertical framing members behind unsupported horizontal joints in the exterior sheathing Gasketing needs to be installed over the blocking to control air leakage through the joint 5 Nailing Ensure nail washers do not extend beyond the sheathing panel edges where washers might become an obstruction or get caught on something during the erection of other walls see Chapter 4 Be careful particularly at the top edge of walls or edges of window openings Ensure that corners of sheathing panels are well fastened by locating nails well into panel corners 6 Foam Sealant Around windows and doors install Owens Corning Foam Sealant or equivalent along the joint formed between the exterior insulating sheathing and the FoamSealR Gasket Be careful INNOVATIO
72. ls and techniques Foundation wall Figure 5 33 Knee Wall Detail ASSEMBLY DETAILS AND PLANNING 1 FOAMULAR Owens 1 2 FOAMULAR CodeBord edges Corning CodeBord edges sealed sealed with Acrylic with FoamSealR FoamSealR Seam amp Gaskets Gaskets Owens Corning Acrylic Seam amp Flashing Tape Flashing Tape 1 2 OSB edges sealed with FoamSealR Gaskets FoamSealR Gasket seal between 2 wall sections Figure 5 34 Great Wall Air Barrier Continuity with Sheathing INNOVATIONS FOR LIVING 1 FOAMULAR CodeBord edges sealed with FoamSealR Gask Owens Corning Acrylic Seam and Flasing Tape ets Air Barrier link through stud sheathing membrane OSB FoamSealR to stud to seal air vapour barrier Caulk polyethylene 9A Polyethylene Unsealed air vapour polyethylene barrier vapour barrier only Figure 5 35 Great Wall Air Barrier Continuity with Polyethylene 1 FOAMULAR Codeboard edges sealed with FoamSealR Gaskets oss Air Barrier Air Barrier Membrane clamped behind FOAMULAR Codeboard and FoamSealR Gasket Membrane ra Unsealed polyethylene vapour barrier Figure 5 36 Great Wall Air Barrier Continuity with Membrane FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTA
73. may be easier to use a header panel when constructing irregular angled walls OR seal with Owens Corning Foam Sealant or Owens Corning Acrylic Seam and Flashing Tape OR seal with Owens Corning Foam Sealant or Owens Corning Acrylic Seam and Flashing Tape Figure 5 30 Exposed Floor Garage Crawlspace Owens Corning Acrylic Seam and Flashing Tape Living Space tt Crawlspace Garage or FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL rm INNOVATIONS FOR LIVING 5 28 ASSEMBLY DETAILS AND PLANNING Consult the Building Code for minimum insulation requirments applying to floors over unheated spaces Living Space 4 Owens Corning Acrylic Seam and Flashing Tape Figure 5 31 Exposed Floor Over Unheated Space Garage or FoamSealR Crawlspace Gasket The insulation and air sealing of floors over unheated spaces are equally important for comfort The FOAMULAR CodeBord Air Barrier System approach provides both in an easy application Plan your framing to provide blocking behind joints perpendicular to the floor joists to the floor joists FoamSealR INTERIOR HOUSE FOAMULAR CodeBord FoamSealR Gasket Owens Corning Acrylic Seam and Flashing Tap
74. n January 24 2000 and re evaluated on April 21 2009 provided that the references in that report to the model National Building Code of Canada 2005 including those listed in column 1 below shall be deemed references to Ontario s Building Code listed in column 2 below as described in the following table Minister Ruling No 09 39 237 12935 R Page 1 of 3 CodeBord Air Barrier System Issued on December 30 2009 mm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 9 4 APPENDIX model National 2005 Building Code Ontario s 2006 Building Code References References Division A 1 2 1 1 1 b Division A 1 2 1 1 1 b Division B 5 4 1 Division B 5 4 1 Division B 9 25 3 Division B 9 25 3 Table A 9 25 1 2 A Table A 9 25 1 2 A Appendix C Supplementary Stardard SB 1 NBC 2005 Building Code column 1 column 2 d A copy of this Ruling shall be attached to the application for a building permit and e This Ruling is valid only for products manufactured at the facilities outlined in Section 2 Manufacturing Facilities of this Ruling 4 GENERAL CONDITIONS The Minister or his her delegate may amend or revoke this Ruling if a the Evaluation Report is amended by the CCMC b the Evaluation Report expires in accordance with the CCMC s General Conditions for Evaluation Reports c the Evaluation Report is rendered void in accordance with the CCMC s General Conditions for Evaluati
75. n Materials Centre Institute for Research in Construction National Research Council of Canada 1200 Montreal Road Ottawa Ontario K1A OR6 Telephone 613 993 6189 Fax 613 952 0268 mm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING 9 10 APPENDIX NRC has evaluated the material product system or service described herein only for those characteristics stated herein The information and opinions in this Report are directed to those who have the appropriate degree of experience to use and apply its contents This Report is provided without representation warranty or guarantee of any kind expressed or implied and the National Research Council of Canada NRC provides no endorsement for any evaluated material product system or service described herein NRC accepts no responsibility whatsoever arising in any way from any and all use and reliance on the information contained in this Report NRC is not undertaking to render professional or other services on behalf of any person or entity nor to perform any duty owed by any person or entity to another person or entity e INNOVATIONS FOR LIVING FOAMULAR BARRIER SYSTEM INSTALLATION MANUAL APPENDIX Appendix A Additional Information Figures 1 to 4 outline the specimens tested representing typical construction details to be reproduced in the field as part of the installation of the Air Barrier System
76. need to teach your favourite trades new tricks In fact with Owens Corning s suggested details for areas like basements ducts and chimneys the job of achieving an effective air barrier system is more builder friendly than ever before I0 BENEFITS FOR THE BUILDER INCLUDE Ease of installation 2 Fewer penetrations to seal compared to sealed polyethylene or airtight drywall i e warm side air barrier systems 3 Where the FOAMULAR CodeBord is the air barrier system the polyethylene vapour barrier need not be sealed Can be assembled in any weather 5 Is effective weather barrier and a sheathing membrane e g building paper may be omitted 6 Makes use of commonly available materials such as extruded polystyrene wall insulating sheathing FOAMULAR CodeBord 4 x 8 or 4 x 9 sheets polyethylene sill plate gasketing FoamSealR and Owens Corning Foam Sealant or other compatible foam sealant 7 Results in a better performing wall assembly at a cost equal to or lower than that of a conventional assembly 8 Is a feature that can differentiate you from the competition 9 Is backed by one of North America s more respected building products manufacturers 10 Third party certified Canadian Construction Materials Centre and the Ontario Building Code Commission FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL GETTING STARTED GETTING STARTED 2 1 Installing an air ba
77. ng lumber FOAMULAR CoreBord insulating panel nailed to sill plate to bottom plate and at studs where panels butt together with appropriate nail spacing FoamSealR Gasket installed at interior corners where one exterior wall butts another exterior wall Second storey floor system placed on first storey walls ensuring FoamSealR Gasket flap from main floor walls laps the header Second floor walls assembled on second floor platform with all FoamSealR Gaskets and FOAMULAR CoreBord panels in place Second floor wall lifted into place and panels nailed at header to top plate and at all panel joints to the supporting stud or blocking Interior walls that penetrate ceiling or roof and become exterior walls are sealed to the ceiling or roof air barrier CEILING ROOF AIR BARRIERS Ceiling and roof structure constructed Polyethylene air vapour barrier sealed to inside face of top plate with acoustical caulking All penetrations through ceiling air barrier sealed EXPOSED FLOORS All exposed floors sealed including underside of unheated garage ceilings floors over crawlspaces and cantilevered floors DOORS WINDOWS AND OTHER PENETRATIONS All openings around windows and door sealed with Owens Corning Foam Sealant and or caulking All gaps in the air barrier around penetrations must be sealed with Owens Corning Acrylic Seam and Flashing Tape or Owens Corning Foam Sealant BASEMENT AIR BARRIER
78. nsists of three primary components The FOAMULAR CodeBord extruded polystyrene rigid insulation principal component FoamSealR closed cell polyethylene sealing gasket and Owens Corning Foam Sealant if unavailable a compatible low expansion foam sealant can be used as an alternative As the name suggests the FOAMULAR CodeBord Air Barrier System is a system and not a single product It is intended primarily for residential wood frame construction applications The system is applied to the outside of the building frame and uses conventional and readily available construction products to control air leakage The FOAMULAR CodeBord Air Barrier System uses a compression type seal to achieve extraordinary levels of airtightness and durability Walls utilizing this system have been tested to a pressure of 1 200 Pa which is comparable to pressures exerted by hurricane force winds meeting and surpassing the structural and airtightness requirements as established by the National Research Council of Canada An insulating panel and gasket system on the outside of the building frame helps to control the leakage of air Openings around windows and doors and at other penetrations in the envelope are sealed with foam Owens Corning Acrylic Seam and Flashing Tape or caulking to provide the continuous airtightness The FOAMULAR CodeBord Air Barrier System also makes use of conventional air barrier technologies e
79. on Reports by reason of alterations to the product or relocation of manufacturing facilities described in the Evaluation Report without prior agreement by the CCMC d the Evaluation Report is withdrawn by the CCMC in accordance with the CCMC s General Conditions for Evaluation Reports where in the opinion of the CCMC i the level of performance in situ of the product described in the evaluation Report is unsatisfactory ii the proponent of such product fails to fulfil its obligations as set out in the CCMC s General Conditions for Evaluation Reports or iii such product may pose any danger to the health or safety of the user of such product Minister Ruling No 09 39 237 12935 R Page 2 of 3 CodeBord Air Barrier System Issued on December 30 2009 INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL APPENDIX 9 5 e the Minister or his her delegate determines that the use of the material system or building design authorized by this Ruling i will not comply with the Building Code Act 1992 or any relevant law as they may be amended or re enacted from time to time or ii provides an unsatisfactory level of performance in situ or f any provision of the Building Code relevant to this Ruling is amended or remade Dated at Toronto This 30 Day of December 2009 David Brezer P Eng MBA Director Building and Development Branch Minister Ruling No 09 39 237 12935 R
80. orting framing member Figure 4 5 Attachment of Polyethylene Air Vapour Barrier FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL 4 5 OWENSCORNINGFOAMSEALANT Care needs to be used in applying foam sealant Unlike caulking foam will expand to fill voids and gaps that will eliminate air leakage Not being careful in the application of the foam sealant can result in overfilling of gaps that can cause problems as filled spaces try to accommodate the volume of expanding foam In some cases this can pose real problems for building components like doors and windows As the frame deflects the operation of the door or window can become difficult PVC windows are particularly prone to bowing Try to use more than one pass to fill in gaps Temporary bracing can also be used to provide restraint Similarly window frames can be fastened to the rough stud opening at corners and at the centre span As a rule of thumb make rough openings for windows and doors 25 mm larger than the window or door frame size If sufficient space is not provided it is difficult to insert the nozzle of the foam sealant to the end of the gap around the rough opening Make sure that window and door frames are shimmed and secured at the mid points to prevent the expanding foam from warping the frame assembly See Figure 4 6 TAPING AND CAULKING Taping and caulking should be used as necessary to repair obvious openings to repair damage
81. oved air barrier system but also an effective weather barrier By taping all butt edge joints with the FOAMULARQG CodeBordQ insulation is an Owens Corning Acrylic Seam and Flashing Tape the full effective air barrier when edges are sealed with FOAMULAR CodeBord Air Barrier System becomes FoamSealR Gaskets an effective weather barrier as well and the sheathing Penetrations such as windows and doors are membrane may be omitted effectively sealed using Owens Corning Foam Sealant The Owens Corning Acrylic Seam and Flashing Tape is currently undergoing CCMC review and approval is pending for the use of the Tape as flashing tape and to adhere normal flashing to the foam While approval is pending builders may choose to use another CCMC Additional installation details and procedures approved tape or separate moisture barrier for rain for basements pipes ducts and chimneys have shedding been developed to work together with the FOAMULAR CodeBord Air Barrier System Builder tried and tested Owens Corning s The ceiling polyethylene air vapour barrier is installed according to the contractor s preferred methods Chapter 5 of this manual illustrates all the technical details for the full air barrier system For those who innovation allows builders to deliver an airtight would want to take advantage of the improved air envelope with excellent comfort and energy tightness of the full system but is not
82. provide full vapour barrier coverage These of course need not be sealed since the polyethylene on the walls only acts as a vapour barrier not an air barrier See Figure 5 15 for some air vapour details in ceiling penetrations ens Wood Panel qu Sealant Weatherstripping Trim Attic Hatch Frame FoamSealR Gasket Polyethylene Flap Caulking Figure 5 15 Ceiling Air Vapour Barrier Details Neoprene Plywood Rubber Collar Gasket E Plumbing Stack Electrical Wire Poly Box Sheet Air Barrier polyethylene FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING 5 16 WINDOWS DOORS AND OTHER PENETRATIONS Sealing windows and doors is quick and easy using the FOAMULAR CodeBord Air Barrier System At window openings follow these simple steps Seal the corners of the rough stud opening with caulking before the window is installed Corners can leak air even after the window is foamed in place 2 All around the opening install the FoamSealR Gasket 3 Install the FOAMULAR CodeBord over the gasket 4 Install the window normally into the rough stud opening 5 Seal the perimeter of all doors and windows with Owens Corning Foam Sealant Avoid overfilling the space between the rough opening and the window or door frame with fo
83. quired around all window and door openings to prevent water penetration Flashing is also required where exterior walls meet foundation walls to shed water away from the floor header assembly The pages which follow illustrate the various flashing techniques recommended for use with the FOAMULAR CodeBord Air Barrier System with and without the use of a sheathing membrane building paper FLASHING DETAILS The flashing details depicted on the following pages represent typical cases Flashing can be installed behind the foam boards or face sealed using approved flashing and sheathing tape such as Owens Corning Acrylic Seam amp Flashing Tape Carefully review your exterior wall construction and adjust these flashing details as required INNOVATIONS FOR LIVING ASSEMBLY DETAILS AND PLANNING FLASHING WITH SIDING Figures 5 18 to 5 20 illustrate typical flashing details when metal wood or vinyl siding is used as an exterior finish Always refer to the siding manufacturer s installation instructions for correct siding installation procedures FLASHING WITH BRICK Figures 5 2 to 5 24 illustrate typical flashing details when brick or masonry veneer is used as an exterior finish Always check for the correct length of fastener needed for brick ties which corresponds to the thickness of FOAMULAR CodeBord being installed Key PoiNTS Follow the recommended flashing procedures outlined in this section when F
84. roper sealing The discussion on the pages that follow will deal in detail with each of these considerations ASSEMBLY DETAILS AND PLANNING WALL FRAMING SEQUENCE An important key to a successful air barrier system installation is the sequence of wall framing and erection See Figure 5 1 Sequence A indicates one means of planning the wall framing Other factors such as access to materials and special fixtures e g one piece tub shower units must also be considered Note that inside corners are best assembled when the two parallel walls are erected first In Sequence B another approach has been taken to framing the exterior walls Common to both sequences is how the bay window walls are assembled Installation is sequential in either direction The sequence reduces the need to put boards up or to tape from the outside with scaffolds or ladders The sequence allows the last board to be slid in with the panel junctions that are interlocked from the platform For both cases attention must be paid to FoamSealR Gasket placement and the final sections of FOAMULAR CodeBord which must be installed after the walls are erected SEQUENCE Figure 5 1 Framing Sequence Ws 5 1 2 a sEQUENCE B INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING FLOOR HEADERS Two approaches exist to sealing
85. rrier system properly requires that attention be paid to all of the building details Good air barrier systems need not be costly or difficult to build They do require special care in ensuring that the right materials are used and that the system is continuous The FOAMULAR CodeBord Air Barrier System provides you with the flexibility you need to do the job right The key point to remember is that all joints in panels need to be sealed with FoamSealR Gaskets Caulking foam sealant air barrier housewrap and polyethylene can be used where gaskets are not practical FoamSealR Gaskets are placed on top of the foundation wall beneath the sill plate and under all joints of the FOAMULAR CodeBord sheathing panels All of the vertical and horizontal joints between FOAMULAR CodeBord sheathing panels whether these are shiplapped or butt edge are sealed with FoamSealR Gaskets All the wall sheathing panel edges must be supported by solid backing using framing such as studs bottom or top plates and lintels or blocking Gasket strips are also installed where there are changes in direction such as at corners at overhanging or recessed elements and on the outer edges of openings for windows and doors FOAMULAR CodeBord exterior insulation panels are installed preferably in the vertical position that is with the 4 width in the horizontal direction and the 8 or 9 length in the vertical direction The panels are nailed
86. s Path of continuous air barrier FOAMULAR CodeBord air barrier Ledger board surface mounted and bolted to studs Figure 5 10 Exterior Walls Projecting Past Attached Structure FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING 5 12 ASSEMBLY DETAILS AND PLANNING Shingle Flashing Detail Option A Use caulking to seal the joint in the ceiling P polyethylene I I Owens Corning Acrylic Seam and Flashing Tape over metal flashing sealed to I FOAMULAR CodeBord xl Metal Roof Flashing m Le Polyethylene air vapour barrier I Shingles eb RAFTER l Ledger Board E heated __ I ensi unheated V heated Transition to interior polyethylene air vapour barrier Lm 0 FoamSealR Gasket Owens Corning Acrylic gt Seam and Flashing Tape FoamSealR Gasket E FOAMULAR as air barrier Figure 5 11 Exterior Walls Projecting Past Attached Structure Shingle Flashing Detail Option A INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALL
87. s and conditions This Ruling is subject to periodic revisions and updates 2 Description This report addresses the performance of the CodeBord Air Barrier System as an air barrier system as specified by Owens Corning The product consists of the following components and accessories see Figure 1 e CodeBord minimum 25 4 mm thick extruded polystyrene material CCMC 11246 L as the principal material in the plane of airtightness e Accessories for continuity are o FoamSealR a foamed polyethylene sealing gasket installed at CodeBord joints o a one component spray in place polyurethane foam sealant evaluated by CCMC i e 13074 R or meeting CAN ULC 710 1 05 Thermal Insulation Bead Applied One Component Polyurethane Air Sealant Foam Part 1 and 710 2 05 Thermal Insulation Bead Applied One Component Polyurethane Air Sealant Foam Part 2 for use on relevant contact surfaces around penetrations covering vinyl and wood as a minimum but preferably also XPS and galvanized metal o 6 mil polyethylene air vapour barrier conforming to CAN CGSB 51 34 M 86 Vapour Barrier Polyethylene Sheet for Use in Building Construction installed at ceiling locations and o specified caulking sealants conforming to CAN CGSB 19 0 M77 Methods of Testing Putty Caulking and Sealing Compounds and sheathing tape evaluated by CCMC for use on small discontinuities in the plane of airtightness m INNOVATIONS FOR LIVING FOAMULAR
88. sheathing with a compatible sheathing tape such as Owens Corning Acrylic Seam amp Flashing Tape to provide a surface to which the foam sealant can adhere to For damaged sheathing where the damage is not extensive broken pieces can be taped back into place If possible use Owens Corning Acrylic Seam amp Flashing Tape to tape both the front and back of the broken piece to the main board Use a double width of tape overlapping tape strips Where the damage is too extensive replace the damaged panel with a new one See Figure 7 1 Small holes can be caulked Use Owens Corning Acrylic Seam amp Flashing Tape to patch small cracks lt Larger holes can be sealed with Owens Corning Foam Sealant Tape broken pieces back together from both sides using Owens Corning Acrylic Seam amp Flashing Tape FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING Figure 7 1 Minor Repairs 7 2 REPAIRS MAJOR REPAIRS Where holes are too large to be sealed with caulking material or Owens Corning Foam Sealant and the broken pieces cannot be reinserted a new piece can be cut to fit into the space needing to be filled The space in the main sheet receiving the new replacement piece should be cut to match Fix the new replacement piece to the main sheet in the same way you would a broken piece If the fit between the broken or replacement piece and the space in the sheath
89. system that is complete I How will you seal around chimneys and flues as they penetrate the air barrier Will insulation extend around masonry chimneys How will air barrier continuity be maintained if no insulation is provided 2 How will the garage be separated from the house 3 Will the floor framing system that has been chosen affect the installation of the air barrier system 4 How will penetrations from recessed lighting be sealed in the ceiling 5 How will penetrations generally be sealed 6 Are there unusual details that will require special air sealing attention Key PoiNTs Have the right tools and materials on hand Review all air barrier details before starting Review the installation sequence as part of job planning INNOVATIONS FOR LIVING 5 2 ASSEMBLY DETAILS AND PLANNING INSTALLATION CHECKLIST TOP OF FOUNDATION WALL Take care to ensure that top of foundation wall is level Take care to ensure sill plate gasket installed under the sill plate SEALING HEADERS Location of panel joints marked on outside of floor header FoamSealR Gasket applied to outside of sill plate and covering over the joint in the header Vertical FoamSealR Gasket applied at marks from sill to top of subfloor WALL ASSEMBLY Wall assembled with FoamSealR Gasket and FOAMULAR CoreBord insulating panels and lifted into place All panel joints supported by gasketed frami
90. t has been used successfully on numerous houses of varying complexity The system is easy to assemble weather resistant cost competitive and durable This manual will help you to successfully install the system on your next building project Remember there is no substitute for doing the job properly from the outset Attending to installation details will save you time and money and enhance your reputation with your clients Enforcement procedures may vary from municipality to municipality Be sure to check with your local building official on the enforcement of specific code requirements in your area before you build Key Points The FOAMULAR CodeBord Air Barrier System is cost effective easy to assemble and durable Attention to detail is the key to successful air barrier systems Check with your local building official regarding Building Code requirements mm INNOVATIONS FOR LIVING 1 2 WHATISANAIRBARRIERSYSTEM An air barrier system controls the amount of air that moves through the building envelope inwards or outwards To provide this control the air barrier system must Extend across the intersection where interior walls meet an exterior wall ceiling floor or roof Block leakage openings where an interior wall extends to become an exterior wall Block leakage openings where an interior floor extends through an exterior wall to become an exposed or overhanging floor Be sealed aroun
91. tem Polyethylene FOAMULAR CodeBord FoamSealR Gasket Figure 1 2 FOAMULAR CodeBord Air Barrier System m INNOVATIONS FOR LWVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL FOAMULAR CODEBORD AIR BARRIER SYSTEM 1 5 TH E FOAMULAR CODEBORD Structural strength and durabilit Al R BARRI E R SYSTE M CONC E PT are achieved bran engineered fastening system The FOAMULAR CodeBord Air Barrier System is a fully engineered and tested approach to achieving airtightness It represents added value by intelligently taking advantage of FOAMULAR CodeBord insulation and FoamSealR Gaskets to not only improve energy efficiency but to eliminate drafts and air leakage Most important it is a complete system that helps builders save time and money delivers durable dependable comfort and energy efficiency to homeowners see Figure 1 3 The system has Canadian Construction Materials Centre CCMC evaluation report 12935 R and a positive ruling from the Ontario Ministry of Municipal Affairs and Housing s Building Code Commission BCC Ruling No Figure 1 3 Insulation and Airtightness in a Single 09 39 237 See the Appendix for these documents Application The full FOAMULAR CodeBord Air Barrier System has been evaluated by CCMC and deemed in compliance with the National Building Code The full system is not Key Concepts only an appr
92. the installation over an unheated garage In all cases remember to provide vapour barrier protection on the warm side of the insulated floor system Figures 5 27 to 5 32 illustrate different scenarios where exposed floors may occur and how the maintain the air barrier continuity of the FOAMULAR CodeBord Air Barrier System mm INNOVATIONS FOR LIVING 5 26 ASSEMBLY DETAILS AND PLANNING Projecting or cantilevered floors require attention to detail and care in the handling of gaskets Care is needed as the work proceeds to avoid damaging gaskets Check all seals and then close in underneath of floor assembly as the final step Figure 5 27 Projected Cantilevered Floor FoamSealR Wd Insulate floor as required 2 Owens Corning Acrylic Seam and Flashing Tape FoamSealR e d Gaskets SECOND FLOOR Figure 5 28 Large Overhang Wall Above Continuity Wall y Spray Foam air barrier poe due JOIST FOAMULAR FoamSealR Gaskets FIRST FLOOR FOAMULAR CodeBord INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL ASSEMBLY DETAILS AND PLANNING 5 27 When floors project over a beam the beam must be gasketed prior to the installation of floor joists FoamSealR Gaskets It
93. tices detailed in the previous chapter some alternative details are available In these alternatives caulking and taping can substitute for the gasket requirements The alternative details shown in this chapter are currently undergoing CCMC review and approval is pending Please consult with the local municipality before implementing any of the alternative details in place of the approved full system details The Owens Corning Acrylic Seam and Flashing Tape is currently undergoing CCMC review and approval is pending for the use of the Tape as flashing tape and to adhere flashing to the foam While approval is pending builders may be required to install the flashing behind the foam or cover the flashing tape joint with a sheathing membrane building paper Please consult with the local municipality While the performance that is reasonably anticipated may not match the standard approach a modified method using some or all of the alternative details can provide significant air tightness well beyond the levels achieved using Code minimum practices Alternative details have been identified for the following four areas where taping and or caulking can be used in place of gasketing header over the foundation Figure 6 1 around windows Figure 6 2 or a modified gasket and tape approach seen in Figures 6 3 and 6 4 and taping of joints Figure 6 5 mm INNOVATIONS FOR LIVING 6 2 ALTERNATIVE DETAILS In
94. ting properties of the FOAMULAR CodeBord insulating sheathing reduces heat loss through the wood structure i e reduces thermal bridges and saves energy at the same time By eliminating cold spots on walls and reducing air leakage impacts the potential for condensation is reduced and with it the potential for harmful mold growth Efficient mechanical ventilation possible The FOAMULAR CodeBord Air Barrier System provides long term performance by using a mechanical seal to reduce the incidence of moisture laden air leaking into insulated envelope cavities When coupled to an efficient mechanical ventilation system the FOAMULAR CodeBord Air Barrier System improves indoor air quality Easy cost effective installation Owens Corning Foam Sealant can be used to maintain continuity of the air barrier plane around window and door openings Owens Corning Foam Sealant may also be used to seal penetrations caused by piping and wiring and to seal gaps between assemblies No more caulking wrapping and stapling headaches In other areas of the house like ceilings builders can continue to use their preferred methods for installing the air vapour barrier protection An alternative method to seal the ceilings as opposed to using polyethylene is to use the FOAMULAR CodeBord with taped joints INNOVATIONS FOR LIVING FOAMULAR CODEBORD AIR BARRIER SYSTEM and perimeter seal with Owens Corning Foam Sealant No
95. tion of the air barrier system after all of the walls are in place is recommended All unnecessary holes in the insulating sheathing should be sealed with a water based caulking and Owens Corning Acrylic Seam amp Flashing Tape Large holes should be foamed or replaced with new pieces of FOAMULAR CodeBord The installation of outdoor electrical boxes for receptacles and lights depends on the type of exterior finish and the thickness of FOAMULAR CodeBord used Details for siding are illustrated below In the case of brick veneer only the wire penetration in the CodeBord needs to be sealed See Figure 5 17 Locate electrical box adjacent to stud framing member and cut a hole in the FOAMULAR CodeBord Apply Foam SealR gasket to stud and attach stud support for electrical box Screw the airtight outdoor electrical box to stud support Seal around the electrical box with Owens Corning Foam Sealant Seal the opening for the electrical wires Caulk the box cap to the siding Stud Support Owens Corning Foam Sealant FoamSealR Gasket Electric Wires in Metal Conduit Siding Figure 5 17 Outdoor Electrical Box Airtight Outdoor Electrical Box Caulking Owens Corning Foam Sealant Cap FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL mm INNOVATIONS FOR LIVING 5 18 FLASHING Flashing is re
96. x Screw the airtight outdoor electrical box to stud support Seal around the electrical box with PinkSeal foam sealant Seal the opening for the electrical wires Caulk the box cap to the siding Figure 4 Sealing of exterior electrical boxes to maintain plane of airtightness rm FOAMULAR CODEBORD AIR BARRIER SYSTEM INSTALLATION MANUAL INNOVATIONS FOR LIVING

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