EPSIBRICK-7 Certificate
Contents
1. 2005 Design preparation and application of external rendering and internal plastering External rendering BS EN 14411 2012 Ceramic tiles Definitions classification characteristics evaluation of conformity and marking BS EN ISO 6946 2007 Building components and building elements Thermal resistance and thermal transmittance Calculation method BS EN ISO 9001 2008 Quality management systems Requirements BS EN ISO 10211 2007 Thermal bridges in building construction Heat flows and surface temperatures Detailed calculations BS EN ISO 10456 2007 Building materials and products Hygrothermal properties Tabulated design values and procedures for determining declared and design thermal values BS EN ISO 14001 2004 Environmental management systems Requirements with guidance for use BRE Report BR 135 2013 Fire performance of external insulation of walls of multistorey buildings BRE Report BR 262 2002 Thermal insulation avoiding risks BRE Report BR 443 2006 Conventions for U value calculations ETAG 004 2000 Guideline for European Technical Approval of External Thermal Insulation Composite Systems with Rendering ETAG 004 2013 Guideline for European Technical Approval of External Thermal Insulation Composite Systems with Rendering ETAG 014 2002 Guideline for European Technical Approval of Plastic Anchors for fixing of External Thermal Insulation Composite Systems with Rendering P2. 8 7 For application to second storey floors and above it is recommended that the designer considers at least one stainless steel fixing per square metre and fire barriers in line with compartment walls and floors as advised in BRE Report BR 135 2013 see Figure 2 Figure 2 Fire barrier je brickslips Yj pointing mortar ul insulation board existing substrate 200 mm mineral fibre fire barrier fire break stainless steel fixing mechanical fixing 9 Proximity of flues and appliances When the system is installed in close proximity to certain flue pipes the relevant provisions of the national Building Regulations should be met England and Wales Approved Document J Scotland Mandatory Standard 3 19 clause 3 19 4012 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic Northern Ireland Technical Booklet L Page 8 of 18 10 Water resistance ensure that substrate walls are adequately weathertight prior to its application The insulation system shall only be installed where there are no signs of dampness on the inner surface of the substrate other than those caused solely by condensation 4 10 1 The system will provide a degree of protection against rain ingress However care should be taken to 0 2 Designers and installers should
3. Brick slip adhesive e Wetherby Brick Slip Adhesive high adhesive strength cementitious based mortar conforming to BS EN 12004 2007 cement conforming to BS EN 197 1 2011 and additives Supplied as a grey powder to which clean water is added Brick slip finishes e Wetherby Brick Slips handmade extruded or cut brick slips available in sizes 215 mm by 65 mm by 7 mm to 15 mm average conforming to BS EN 771 1 2011 and available in a range of colours e Wetherby Brick Slip Pistols 215 100 mm by 65 mm by 7 mm to 15 mm clay brickslip pistol corners conforming to BS EN 14411 2012 and available in a range of colours Pointing mortar e Wetherby Pointing Mortar pre coloured waterrepellent frostresistant cementitious pointing mortar in accordance with BS EN 13888 2009 and conforming to BS EN 13139 2002 Supplied in powder form 1 2 Ancillary materials also used with the system but outside the scope of this Certificate e profiles a range of standard profiles for wall base end stop corner mesh and expansion joints Profiles are available in stainless steel PVC U or organic polyester powder coated galvanized steel and are provided to the specifier s requirements e profile fixings hammer screws with plastic expansion e under and over sills sill extenders roof verge extenders e silicone sealant Figure 1 Epsibrick 7 External Wall Insulation System supplementary adhesive at sete reinforc
4. detail using purpose made PVC or metal trims is illustrated in Figure 6 6 14 Corner beads are fixed to all building corners and to door and window heads and jambs where required 6 15 The Wetherby Scrim Adhesive Basecoat is prepared by mixing the contents of each 25 kg bag with 4 to to a minim Figure 6 Movement joint detail existing substrate PVC movement joint with firtree fixings approved mechanical fixi insulation board pointing mortar ng brick slips 6 16 Th e basecoat is applied either by spray equipment or stainless steel trowel to the surface of the dry insulation um thickness of 4 mm The mesh is bedded immediately into the basecoat with 100 mm minimum overlap at joints it must be in the upper third of the basecoat render Mechanical fixings are applied as described in section 16 9 of this Certificate Additional pieces of reinforcing mesh 200 mm by 200 mm are used diagonally at the corners of openings as shown in Figure 7 Corner details are reinforced using the corner beads Figure 7 Additional reinforcement at openings 200 mm x 200 mm glassfibre reinforcing mesh window door opening 16 17 Surfacemounted PVC render beads are fixed with firtree fixings and bedded in scrim adhesive ensuring all mesh PVC is covered The basecoat should be keyed ready to accept the bricksli p finish 16 18 In
5. height Prior to installation of the system the wall surfaces should comply with section 14 of this Certificate AC New buildings subject to national Building Regulations should be constructed in accordance with the z3 relevant recommendations of e BS EN 1996 2 2006 the designer should select a construction appropriate to the local wind driven rain index paying due regard to the design detailing workmanship and materials to be used O BS 8000 3 2001 Page 5 of 18 4 5 Other new buildings not subject to regulatory requirements should also be built in accordance with the standards identitied in section 4 4 of this Certificate 4 6 The effect of the installation of the system on the acoustic performance of a construction is outside the scope of this Certificate 4 7 The fixing of rainwater goods satellite dishes clothes lines hanging baskets and similar items is outside the scope of this Certificate 4 8 External plumbing should be removed before installation and alterations made to underground drai appropriate to accommodate repositioning of the plumbing on the finished face of the system nage where 4 9 It is essential that the system is installed and maintained in accordance with the conditions set out in this Certificate 5 Practicability of installation The system should only be installed by specialised contractors who have successfully undergone training and registration by the Certificate holder
6. ment tel 01923 665300 Bucknalls Lane fax 01923 665301 Watford email mail bba star co uk Herts VWWD25 9BA website www bbacerts co uk Page of 18 Regulations In the opinion of the BBA the Epsibrick 7 External Wall Insulation System if installed used and maintained in accordance with this Certificate can satisfy or contribute to satisfying the relevant requirements of the following Building Regulations the presence of a UK map indicates that the subject is related to the Building Regulations in the region or regions of the UK depicted 42 The Building Regulations 2010 England and Wales as amended 5 Requirement Al Loading Comment The system can sustain and transmit wind loads to the substrate wall See section 7 4 of this Certificate Requirement B4 1 External fire spread Comment The system can satisfy or contribute to satistying this Requirement See sections 8 1 to 8 4 of this Certificate Requirement C2 b Resistance to moisture Comment The system provides a degree of protection against rain ingress See sections 4 4 and 10 1 of this Certificate Requirement C2 c Resistance to moisture Comment The system can contribute to minimising the risk of interstitial and surface condensation See sections 11 1 11 2 and 11 4 of this Certificate Requirement L1 a i Conservation of fuel and power Comment The system can contribute to satisfying this Requirement See sections 6 2 and 6 3 of this Certif
7. 00 120 10 0 30 00 00 110 00 0 35 80 80 90 90 1 Wall construction inclusive of 13 mm plaster 0 57 W m K 15 mm Brick slip render 0 77 W m K 1 brickwork protected with 17 1 mortar or dense blockwork with 6 7 mortar 0 88 W m K Thermal conductivity of insulation A value is as shown in Table 2 Calculations based on a mechanical system that included 7 galvanized steel fixings per square metre with 8 mm diameter sleeve and with a point thermal transmittance X 0 004 W K per steel pin Use of other types of fixings should be calculated in accordance with BS EN ISO 6946 2007 Based upon incremental insulation thickness of 10 mm U values of 0 14 and 0 15 W m K using Epsitherm EPS 90E and 0 15 and 0 16 W m K using Epsitherm EPS ZOE can be achieved with the maximum insulation thickness 240 mm 6 3 The system can contribute to maintaining continuity of thermal insulation at junctions between elements and 2 3 4 openings For Accredited Table 3 may be used in junctions and on limiting Construction Details the corresponding p values Psi in BRE Information Paper IP 1 06 carbon emission calculations in Scotland and Northern Ireland Detailed guidance for other heat loss by air infiltration can be found in England and Wales Approved Documents to Part L and for new thermal elements to existing buildings Accredited Construction Details vers ion 1 0 For new build see also SAP 200
8. 5 Clay bricks 8 40 0 6 0 9 SPIT ISO 10 04 0076 Concrete C12 15 Clay bricks 10 30 0 60 0 75 Koelner TFix 8M 07 0336 Concrete C12 15 Clay bricks 8 25 2 1 2 Koelner TFix8S 8ST 11 0144 Concrete C12 15 Clay bricks solid 8 25 2 1 2 Termoz 8U 02 0019 Concrete C12 15 Clay bricks 8 70 S S Termoz 8UZ 02 0019 Concrete C12 15 Clay bricks 8 30 2 15 Termoz CN 8 09 0394 Concrete C12 15 Clay bricks 8 35 0 9 0 9 Bravoll PTH S 08 0267 Concrete C12 15 Clay bricks 8 25 5 1 5 7 8 The resistance forces data given in Table 5 are the results of calculations based upon pull through resistances determined by the BBA from tests on anchors with 60 mm plate diameter and minimum plate stiffness of 0 4 kN mm Impact resistance Table 5 Pullthrough resistances Factor Insulation unit Epsitherm EPS ZOE Thickness mm 90 Tensile resistance of insulation kPa gt 150 Plate diameter of anchor mr 60 Characteristic pullthrough resistance per 323 anchor N Factor of safety 2 5 Design pullthrough resistance N 129 2 The safe 1 Characteristic value in accordance with BS EN 1990 2002 Annex D7 2 factor of 2 5 is applied and based on the assumption that all insulation boards are quality control tested to establish tensile strength perpendicular to the face of the board 7 9 Hard body impact tests were carried out in accordance with ETAG 004 2000 amended 2013 The system is suitable for use in all Use Categories Page 7 o
9. 9 Appendix K and the iSBEM User Manual Scotland Accredited Construction Details Scotland Northern Ireland Accredited Construction Details version 1 0 Page 6 of 18 7 Strength and Zal stability When installed on suitable wal suction and positive pressure wind s the system can adequately transfer to the wall the self weight and negative loads normally experienced in the United Kingdom 7 2 Positive wind load is transferred to the substrate wall directly via bearing and compression of the brickslips and insulation 7 3 Negative wind pressure is resis sulation system an the external wall in E ed by the bond between each component The insulation boards are retained by chors 7 4 The wind loads on the wall should be calculated in accordance with BS EN 1991 1 4 2005 and its UK National An additiona recommended that 7 5 Assessment o experienced ind e system ignoring the proposed the results of t 7 6 The number and centres suitable and an appropriate the render insulation system to the substrate wall 7 7 Typical characteristic pull out strengths for an appropriate number of minimum resistance to failure of th with the guidance given in nex Special considerati fixings may be necessary a load factor of 1 structural perform ividual to confirm that the substrate wall has adequate s ve con any positi system and associated fixi he site investi ixing gati
10. A _N Wetherby Building Systems Limited SPECON 1 Kid Glove Road LU FON Golborne Enterprise Park TECHNICAL APPROVALS FOR CONSTRUCTION Golborne Greater Manchester WA3 3GS Agr ment Certificate Tel 01942 717100 Fax 01942 717101 email info wbs td co uk 14 5 1 37 website www wbstid co uk Product Sheet 1 WETHERBY EXTERNAL WALL INSULATION SYSTEMS EPSIBRICK 7 EXTERNAL WALL INSULATION SYSTEM This Agr ment Certificate Product Sheet relates to the Epsibrick 7 External Wall Insulation System comprising enhanced expanded polystyrene EPS mechanically fixed with supplementary adhesive reinforced basecoat and a clay brickslip finish It is suitable for use on new or existing domestic and non domestic buildings 1 Hereinafter referred to as Certificate CERTIFICATION INCLUDES e factors relating to compliance with Building Regulations where applicable e factors relating to additional non regulatory information where applicable e independently verified technical specification e assessment criteria and technical investigations e design considerations e installation guidance e regular surveillance of production e formal three yearly review KEY FACTORS ASSESSED Thermal performance the system can be used to improve the thermal performance of external walls and can contribute to meeting the requirements of the national Building Regulations see section 6 Strength and stability the sys
11. Note The BBA operates a UKAS Accredited Approved Installer Scheme for external wall insulation details of installer companies approved are included on the BBA s website www bbacerts co uk 6 Thermal performance 6 1 Calculations of thermal transmittance U value should be carried out in accordance with BS EN ISO 6946 2007 BS EN ISO 10211 2007 and BRE Report BR 443 2006 using the thermal conductivity A value of the insulation materials given in Table 2 of this Certificate Table 2 Thermal conductivity of the insulation Np value insulat Thickness Thermal conductivity nsulation types mm Wm K Epsitherm EPS ZOE 0 032 40 to 240 Epsitherm EPS 90E 0 030 7i the insulating value of the substrate masonry and its internal finish Calculated U values for sample construction in accordance with the Building Regulations are given in Table 3 and are based on the thermal conductivities given in Table 2 AN The U value of a completed wall will depend on the selected insulation type and thickness fixing method Table 3 Insulation thickness required to achieve design U values given in the national Building Regulations U value Thickness of insulation W mr K mm 215 mm Brickwork 200 mm Dense blockwork 0 56 W m K X 1 75 Wem K Epsitherm EPS ZOE Epsitherm EPS 90E Epsitherm EPS ZOE Epsitherm EPS 90E 0 18 90 80 200 90 0 19 80 70 190 70 0 25 30 20 140 30 0 26 20 10 130 20 0 28 10
12. age 17 of 18 Conditions of Certification 19 Conditions 19 1 This Certificate e relates only to the product system that is named and described on the front page e is issued only to the company firm organisation or person named on the front page no other company firm organisation or person may hold or claim that this Certificate has been issued to them e is valid only within the UK e has to be read considered and used as a whole document it may be misleading and will be incomplete to be selective e is copyright of the BBA e is subject to English Law 19 2 Publications documents specifications legislation regulations standards and the like referenced in this Certificate are those that were current and or deemed relevant by the BBA at the date of issue or reissue of this Certificate 19 3 This Certificate will remain valid for an unlimited period provided that the product system and its manufacture and or fabrication including all related and relevant parts and processes thereof e are maintained at or above the levels which have been assessed and found to be satisfactory by the BBA e continue to be checked as and when deemed appropriate by the BBA under arrangements that it will determine e are reviewed by the BBA as and when it considers appropriate 19 4 The BBA has used due skill care and diligence in preparing this Certificate but no warranty is provided 19 5 In issuing this Certificate the BBA is not res
13. als used 18 2 An assessment of the risk of interstitial condensation was undertaken 18 3 The practicability of installation and the effectiveness of detailing techniques were examined Page 16 of 18 Bibliography BS 5250 2011 Code of practice for control of condensation in buildings BS 8000 3 2001 Workmanship on building sites Code of practice for masonry BS EN 197 1 2011 Cement Composition specifications and conformity criteria for common cements BS EN 771 1 2011 Specification for masonry units Clay masonry units BS EN 1990 2002 Eurocode Basis of structural design NA to BS EN 1990 2002 UK National Annex to Eurocode Basis of structural design BS EN 1991 1 4 2005 Eurocode 1 Actions on structures General actions Wind actions NA to BS EN 1991 1 4 2005 UK National Annex to Eurocode 1 Actions on structures General actions Wind actions BS EN 1996 2 2006 Eurocode 6 Design of masonry structures Design considerations selection of materials and execution of masonry BS EN 12004 2007 Adhesives for tiles Requirements evaluation of conformity classification and designation BS EN 13139 2002 Aggregates for mortar BS EN 13163 2012 Thermal insulation products for buildings Factory made expanded polystyrene EPS products Specification BS EN 13888 2009 Grout for tiles Requirements evaluation of conformity classification and designation BS EN 13914 1
14. cate holder s application procedure containing the requirement for each application team to include at least one member operative trained by the Certificate holder e subject to at least one inspection per annum by the Certificate holder to ensure suitable site practices are be employed This may include unannounced site inspections 16 Procedure General 6 1 Application is carried out in accordance with the current installation instructions of the Certificate holder 6 2 Weather conditions should be monitored to ensure correct application and curing conditions The basecoat and adhesive materials should not be applied at temperatures below 5 C or above 30 C if exposure to frost is likely or in damp wet conditions The render must be protected from rapid drying 6 3 Basecoat rendering should be in accordance with the relevant recommendations of BS EN 13914 1 2005 Positioning and securing insulation boards 6 4 The base profile is secured to the external wall line and level above the dpc using the approved profile fixings at 300 mm centres maximum Base profile connectors are inserted at all rail joints Extension profiles are fixed to the front lip of the base profile or stop end channel where appropriate see Figure 3 6 5 Stop beads are positioned vertically or by using the wrap back technique eg at party wall positions where the adjoining house does not require treatment 6 6 The Wetherby Bedding Adhesive is pre
15. e stored in dry conditions off the ground and protected from frost at all times Bags of unopened render will have a shelHife of 12 months when stored correctly Assessment and Technical Investigations The following is a summary of the assessment and technical investigations carried out on the Epsibrick 7 External Wall Insulation System 4 General 4 1 The Epsibrick 7 External Wall Insulation System when installed in accordance with this Certificate is effective in reducing the thermal transmittance U value of external masonry walls of new and existing buildings For improved thermal carbon emissions performance the designer should consider additional alternative fabric and or services measures It is essential that the detailing techniques specified in this Certificate are carried out to a high standard if the ingress of water into the insulation is to be avoided and the full thermal benefit obtained from the system Only details specified by the Certificate holder should be used 4 2 The system will improve the weather resistance of a wall and provide a decorative finish However it should only be installed where there are no signs of dampness on the inner surface of the wall other than those caused solely by condensation 4 3 The system is applied to the outside of external walls of masonry and dense or nofines concrete construction and is suitable tor use on new or existing domestic or non domestic buildings up to 18 metres in
16. ement mesh brick slip adhesive brick slips 1 3 The insulation boards are mechanically fixed with supplementary adhesive where required to the external surface of the substrate Five mechanical fixings are installed per board 7 per square metre then basecoat render is trowel applied to the board face to a thickness of 4 mm to 6 mm and the reinforcing mesh embedded immediately One mechanical fixing per square metre is fixed through the mesh The basecoat is lightly keyed and allowed to dry ready to accept the brick slips The brick slip adhesive is applied to the back of each slip which is then installed onto the basecoat Once the adhesive is dry pointing mortar is applied 2 Manufacture 2 1 As part of the assessment and ongoing surveillance of product quality the BBA has e agreed with the manufacturer the quality control procedures and product testing to be undertaken e assessed and agreed the quality control operated over batches of incoming materials e monitored the production process and verified that it is in accordance with the documented process Page 4 of 18 e evaluated the process for management of nonconformities e checked that equipment has been properly tested and calibrated e undertaken to carry out the above measures on a regular basis through a surveillance process to verify that the specifications and quality control operated by the manufacturer are being maintained 2 2 The management system of Wetherby B
17. ence to clause O 12 1021 and Schedule 602 1 Technical Handbook Domestic 2 Technical Handbook Non Domestic Page 2 of 18 The Building Regulations Northern Ireland 2012 5 Regulation 23 Fitness of materials and workmanship Comment The system is acceptable See section 13 and the Installation part of this Certificate Regulation 28 b Resistance to moisture and weather Comment The system provides a degree of protection against rain ingress See sections 4 4 and 10 1 of this Certificate Regulation 29 Condensation Comment The system can contribute to minimising the risk of interstitial and surface condensation See sections 11 2 and 11 4 of this Certificate Regulation 30 Stability Comment The system can sustain and transmit wind loads to the substrate wall See section 7 4 of this Certificate Regulation 36 a External fire spread Comment The system can satisfy or contribute to satisfying this Regulation See sections 8 1 to 8 4 of this Certificate Regulation 39 a i Conservation measures Regulation 40 Target carbon dioxide emission rate Comment The system can contribute to satisfying these Regulations See sections 6 2 and 6 3 of this Certificate Construction Design and Management Regulations 2007 Construction Design and Management Regulations Northern Ireland 2007 Information in this Certificate may assist the client CDM co ordinator designer and contractors to address t
18. epth specified by the fixing supplier and ed firmly into place securing the insula 1 ion board to the substrate ixings per square metre are installed through the insulation and one mechanical fixing per square metre is fixed through the mesh to secure the insulation boards to the substrate r each fixing head of fixings installed through the mesh board edges are butted tightly together and alignment should be checked as work proceeds Any high spots or irregularities should be removed by lightly planing with a rasp 6 11 To fit around details such as doors and windows insulation boards may be cut with a sharp knife finetooth saw or hotwire cutting machine If required purpose made window sills are fitted see Figure 5 They are designed to prevent water ingress and incorporate drips to shed water clear of the system Figure 5 Typical sill detail mae i conjectured line of existing window window sill silicone sealant mechanical fixing existing substrate pointing mortar brickslips insulation board Movement joints and profiles Reinforcing 5 litres of clean water Page 12 of 18 6 12 Installation continues until the substrate is completely covered including where appropriate the building soffits 6 13 Movement joints in the substrate must be continued through the system The joint
19. esign Figure 8 Insulated window or door reveal if Mpa pointing mortar jijo brick slips e insulation board e existing substrate nena aa e mechanical fixing mechanical fixing y OS insulation board AA AX corner bead i silicone sealant o conjectured line of existing window existing substrate mechanical fixing pointing mortar insulation board brickslips m brickslip corner pistol I 2 E gt 2 corner bead i h e i l if F H insulation board Di J i me a 11 j LE czs mechanical fixing e it HTH ili lant 11 silicone sealan i lm L Page 14 of 18 Figure 9 Typical eaves detail attic insulation NC silicone sealant SON mechanical fixing x ROS f Fe pointing mortar e brickslips insulation board existing substrate 6 23 After brick slip application sealant is positioned and installed at all openings eg windows and doors overhanging eaves gas and electric meter boxes wall vents or where the brickslips abut any other building material or surface This he
20. f 18 1 The Use Categories are defined in ETAG 004 2000 amended 201 3 as e Category a zone readily accessible at ground level to the public and vulnerable to hard body impacts but not subjected to abnormally rough use e Category Il a zone liable to impacts from thrown or kicked objects but in public locations where the height of the system will limit the size of the impact or at lower levels where access to the building is primarily to those with some incentive to exercise care Category Ill a zone not likely to be damaged by normal impacts caused by people or by thrown or kicked objects 8 Behaviour in relation to fire 8 1 The external surfaces of the system are classified as Class O or low risk as defined in the national Building 53m Regulations 8 2 The classification applies to the full range of thicknesses covered by this Certificate 8 3 The system is restricted for use in buildings up to 18 metres in height 8 4 For houses in Scotland and for all buildings in England and Wales and Northern Ireland the system is suitable for use on or at any distance from the boundary 39 than one metre from the boundary 8 6 The system is not classified as non combustible therefore calculations for unprotected areas may apply dependent on the fire resistance characteristics of the wall ae For flats and maisonettes and non domestic buildings in Scotland the system is suitable only for use more
21. heir obligations under these Regulations See sections 3 Delivery and site handling 3 2 and 3 4 of this Certificate Additional Information NHBC Standards 2014 NHBC accepts the use of the Epsibrick 7 External Wall Insulation System provided it is installed used and maintained in accordance with this Certificate in relation to NHBC Standards Part 6 Superstructure excluding roofs Chapter 6 9 Curtain walling and cladding Technical Specification 1 Description 1 1 The Epsibrick 7 External Wall Insulation System see Figure 1 comprises from inside to outside Supplementary adhesive e Wetherby Bedding Adhesive a cement based polymer moditied basecoat comprising limestone sand conforming to BS EN 13139 2002 cement conforming to BS EN 197 1 2011 and additives Supplied as a powder to which clean water is added Insulation e Epsitherm ZOE and 9OE enhanced expanded polystyrene EPS grey insulation boards measuring 1200 mm by 600 mm in a range of thicknesses between 40 mm and 240 mm The boards have a nominal density of 15 kgm a minimum compressive strength of 70 kPa Epsitherm ZOE or 90 kPa Epsitherm 90E and a nominal tensile strength perpendicular to the face of 150 kPa The boards are manufactured to comply with the requirements for EPS 70 or EPS 90 Class E material to BS EN 13163 2012 Mechanical fixings e mechanical fixings proprietary external wall insulation fixings of adequate length
22. icate Regulation 7 Materials and workmanship Comment The system is acceptable See section 13 and the Installation part of this Certificate Regulation 26 CO emission rate for new buildings Regulation 26A Fabric energy efficiency rates for new dwellings applicable to England only Comment The system will enable or contribute to enabling a wall to satisfy the U value requirement See sections 6 2 and 6 3 of this Certificate 5 r The Building Scotland Regulations 2004 as amended Regulation 8 1 2 Durability workmanship and fitness of materials Comment The system can contribute to a construction satisfying this Regulation See sections 12 1 and 13 and the Installation part of this Certificate Regulation 9 Building standards applicable to construction Standard tel Structure Comment The system can sustain and transmit wind loads to the substrate wall See section 7 4 of this Certificate Standard 2 6 Spread to neighbouring buildings Comment The system is regarded as low risk and therefore can satisfy this Standard with reference to clauses 2 6 4012 2 6 5 and 2 6 6 See sections 8 1 to 8 6 of this Certificate Standard DU Spread on external walls Comment The system can satisfy the requirements of this Standard with reference to clauses 2 7 102 and 2 7 21 See sections 8 1 to 8 6 of this Certificate Standard 3 10 Precipitation Comment The system will contribute fo a construction sa
23. iel condensation 1 4 Walls incorporating the system will adequately limit the risk of interstitial condensation when they are A e and constructed in accordance with this Certificate 1 5 The Equivalent air layer thickness S and water vapour resistance p factor for the insulation boards and brick ie is as follows Table 6 Equivalent air layer thickness S and water vapour resistance factor y Description he p Enhanced EPS insulation boards _ all Epsitherm ZOE and 90E Clay BrickSlip system 0 65123 1 The water vapour resistance factor p is taken from BS EN ISO 10456 2007 Table 4 2 The values are obtained from tests including those on the basecoat mesh brick slip adhesive brick slips and pointing mortar 12 Maintenance and repair R 12 1 Regular checks should be made on the installed system including 5 e visual inspection of the brickslips for signs of disbandment Dislodged slips should be refixed using brick slip adhesive e examination of the sealant around openings and service entry points e visual inspection of architectural details designed to shed water to confirm that they are performing properly e visual inspection to ensure that water is not leaking from external downpipes or gutters such leakage could penetrate the rendering e necessary repairs effected immediately and the sealant joints at window and door frames replaced at regular ntervals e maintenance schedules which shou
24. ixings at a maximum of 300 mm e ESLa e centres around all openings is 50 i n RN P e 5 window door opening e E ele e of 50 mm F j e ER e 300 mm mag y ele G G 1 ele ele e e e e ele ele e Page 11 of 18 16 7 The first run of insulation boards are positioned on the base required depth through the insulation at the corners of each per insulation board see Figure 4 16 8 The insulation boards are mechanically fastened to the wall Around openings additional fixings should be used at 300 mm centres The mechanical fixings are inserted and tapped or screwed firmly into place securing the insulation profile Holes are drilled into the substrate to the and at positions which will allow a minimum of five fixings using the approved fixing pattern see Figure 4 to the substrate Subsequent rows of boards are positioned so that the vertical board joints are staggered and overlapped at the building corners and the board joints do not occur within 200 mm of the corners of openi thickness of the insulation Holes are drilled i the mechanical fixings are inserted and tapp ngs At corner nto the substra 6 9 Five mechanical fixings per board 7 A 100 mm by 100 mm patch is placed ove 6 10 Care must be taken to ensure that al t s fixings should be positioned inwards by 75 mm plus the e to a minimum d
25. ld include the replacement and resealing of joints for example between the nsulation system and window and door frames 12 2 Damaged areas must be repaired using the appropriate components and the procedures detailed in the Certificate holder s installation instructions and in accordance with BS EN 13914 2005 Page 9 of 18 13 Durability The system will remain effective for at least 30years provided any damage to the surface finish is repaired immediately and regular maintenance is undertaken as described in section 12 of this Certificate 14 Site survey and preliminary work 14 1 A pre installation survey of the property must be carried out to determine suitability for treatment and the need for any necessary repairs to the building structure before application of the Epsibrick 7 External Wall Insulation System A specification is prepared for the building indicating e the position of starter tracks and beads e detailing around windows doors and at eaves e damp proof course dpc level e exact position of expansion joints e areas where flexible sealants must be used e any alterations to external plumbing e where required the position of fire barriers 14 2 The survey should include tests conducted on the walls of the building by the Certificate holder or their approved installers see section 15 to determine the pull out resistance of the proposed mechanical fixings An assessment and recommendation is made on the ty
26. lps to reduce the risk of water ingress into the structure 6 24 Care should be taken in the detailing of the system around features such as openings projections and at eaves see Figure 8 to ensure adequate protection against water ingress and to limit the risk of water penetrating the system 6 25 Once the brick slips have set pointing is performed using Wetherby Pointing Mortar and a pointing gun Shaping of the mortar is done by using a pointing trowel Once the mortar is dry walls should be brushed to remove all loose mortar etc 6 26 At the tops of walls the system must be protected by an adequate overhang or by an adequately sealed purpose made flashing see Figure 9 6 27 On completion external fittings are retixed to the substrate using suitable fixing pads previously installed in the system or a retrospective solution approved by the Certificate holder Page 15 of 18 Technical Investigations 17 Tests Tests were carried out on Epsibrick 7 External Wall Insulation System to determine e resistance to freeze thaw e heat spray cycling impact resistance e water vapour permeability e fire performance e thermal conductivity to BS EN ISO 6946 2007 e bond strength e durability of finish coatings pullthrough resistance 18 Investigations 18 1 The manufacturing process was evaluated including the methods adopted for quality control and details were obtained of the quality and composition of materi
27. multi storey buildings holes are drilled at 1 metre centres for additional fixings before the basecoat hardens and fire rated stainless steel Finishing n basecoat 6 20 The brick slip adhesi 6 21 The brick slip adhesi and door window reveals The distance b bricks required per course and the subseq 6 19 The drying period o must be left to harden for at leas the basecoat 4 ve is mixed wi umber o 6 22 Where required the brick slips are slip adhesive is applied to the back of brick slips and approximately 10 mm are made between ixings are inserted through ve is buttered to the back of the pistol comers brickslips the scrim insulation and in will depend on the applied thickness an one day before application of the Wether th clean water in accordance with the manufactu which etween corners and or outer edges should be m uent width of the vertical pointing joint cut to size using a bench saw or standard tile c installed at the required location Con o the substrate wall d weather conditions however the by BrickSlip Adhesive rer s instructions are then applied to corners easured to identify the utter and the brick sistent joint spaces Page 13 of 18 the brickslips spacers may be required Verti cal joints are staggered to give the appearance of conventional brickwork or installed in a stack bond pattern in accordance with the required d
28. n to be taken as satistying the requirements of the 1974 Act or of any statutory common law or other duty of care British Board of Agr ment tel 01923 665300 Bucknalls Lane fax 01923 665301 Watford email mail bba star co uk Herts WD25 BA website www bbacerts co uk Page 18 of 18
29. on site specific pull o ETAG of fixin on should be given to locations with high wind load pressure coefficients as In accordance with BS EN 1990 2002 and its UK National Annex it is 5 is used to determine the ultimate wind load to be resisted by the system ance for individual buildings must be carried out by a suitably qualified and 4 rength to resist additional loads that may be applied as a result of installing the ribution that may occur from the insulation system 4 ng layout provides adequate resistance to negative wind loads based on and test results ut tests are conducted on the substrate of the building to determine the e fixings The characteristic pull out resistance should be determined in accordance 014 2002 Annex D gs should is selected be determined by the system designer Provided the substrate wall is the mechanical fixings will adequately support and transfer the weight of the fixings taken from the corresponding European Technical Approval ETA are given in Table 4 however these values are dependent on the substrate and the fixing must be selected to suit the loads and substrate concerned Table 4 Fixings typical characteristic pull out strengths Fixing type ETA number Substrate Drill diameter Embedment Typical pullout mm depth mm strength kN Ejotherm NT U NK U 05 0009 Concrete C12 15 Clay bricks 8 25 QV Ejotherm NTK U 07 0026 Concrete C12 1
30. pared by mixing each 25 kg bag with 4 5 to 5 litres of clean water The supplementary adhesive must be applied to the back of the insulation board by one of two methods depending on whether the substrate is flat or undulating Firstly the adhesive can be applied with a 10 mm notch trowel to the Page 10 of 18 full area of the back of the insulation board and placed firmly against the substrate This method is suitable for flat substrates Alternatively a dot and dab method can be adopted In this method the edges of the insulation board must be coated with adhesive and 3 large dabs of adhesive applied at even spacing to the centre of the board The adhesive must cover at least 40 of the board The board is then placed firmly against the substrate This method is suitable for undulating substrates Figure 3 Typical section at base level fj pointing mortar mechanical fixing brickslips insulation board existing substrate aen silicone sealant dpc CRRA HR RRR RRR LNA RKO KAN Figure 4 Insulation boards fixing patterns ele ele e e 9 baled 300 mm maf bd insulation fixings e 2 e e Po P tf fixings at a maximum of 300 mm e eje eje aie ze A s centres at building corner 4 i f
31. pe and number of fixings required to withstand the building s expected wind loading based on calculations using the relevant wind speed data for the site and the pull out resistances see section 7 14 3 Surfaces should be sound clean and free from loose material The flatness of surfaces must be checked this may be achieved using a straightedge spanning the storey height Any excessive irregularities ie greater than 10 mm in 1 metre must be made good prior to installation to ensure that the insulation boards are installed with a smooth in plane finished surface 14 4 On existing buildings purpose made window sills must be fitted to extend beyond the finished face of the system see Figure 5 New buildings should incorporate suitably deep sills 14 5 Where surfaces are covered with an existing rendering it is essential that the bond between the substrate and the render is adequate All loose areas should be hacked off and reinstated 14 6 Internal wet work eg screeding or plastering should be completed and allowed to dry prior to the application of the system 15 Approved installers Application of the system within the context of this Certificate is carried out by approved installers recommended or recognised by the Certificate holder Such an installer is a company e employing operatives who have been trained and approved by the Certificate holder to install the system e which has undertaken to comply with the Certifi
32. ponsible and is excluded from any liability to any company firm organisation or person for any matters arising directly or indirectly from e the presence or absence of any patent intellectual property or similar rights subsisting in the product system or any other product system e the right of the Certificate holder to manufacture supply install maintain or market the product system e actual installations of the product system including their nature design methods performance workmanship and maintenance e any works and constructions in which the product system is installed including their nature design methods performance workmanship and maintenance e any loss or damage including personal injury howsoever caused by the product system including its manufacture supply installation use maintenance and removal e any claims by the manufacturer relating to CE marking 19 6 Any information relating to the manufacture supply installation use maintenance and removal of this product system which is contained or referred to in this Certificate is the minimum required to be met when the product system is manufactured supplied installed used maintained and removed It does not purport in any way to restate the requirements of the Health and Safety at Work etc Act 1974 or of any other statutory common law or other duty which may exist at the date of issue or reissue of this Certificate nor is conformity with such informatio
33. take particular care in detailing around openings penetrations and movement joints to minimise the risk of rain ingress Only details approved by the Certificate holder should be used 0 3 The guidance given in BRE Report BR 262 2002 should be followed in connection with the weathertightness of solid wall constructions The designer should select a construction appropriate to the local wind driven rain index paying due regard to the design detailing workmanship and materials to be used 0 4 At the tops of walls the system should be protected by an adequate overhang or other detail designed for use with this type of system 11 Risk of condensation 47 11 1 Designers must ensure that an appropriate condensation risk analysis has been carried out for all parts of 7 A 0 construction including at junctions openings and penetrations to minimise the risk of condensation The recommendation of BS 5250 2011 should be followed si condensation 1 2 Walls will adequately limit the risk of surface condensation when the thermal transmittance U value does a exceed 0 7 W m K at any point and the junctions with other elements and openings comply with section 6 3 of this Certificate ae 3 Walls will adequately limit the risk of surface condensation when the thermal transmittance U value does not exceed 1 2 W m K at any point Guidance may be obtained from BS 5250 2011 Section 8 Annex D and BRE Report BR 262 2002 b
34. tem can adequately resist wind loads and impact damage see section 7 Behaviour in relation to fire the system has a Class O or low risk reaction to fire classification as defined in the national Building Regulations see section 8 Risk of condensation the system can contribute to limiting the risk of interstitial and surface condensation see section 11 Durability when installed and maintained in accordance with the Certificate holder s recommendations and the terms of this Certificate the system should remain effective for at least 3O years see section 13 The BBA has awarded this Certificate to the company named above for the system described herein This were has been assessed by the BBA as being fit for its intended use provided it is installed used and maintained as set out in this Certificate On behalf of the British Board of Agr ment CLP QOS ae eee Date of First issue 8 July 2014 John Albon Head of Approvals Claire Curtis Thomas Originally certificated on Energy and Ventilation Chief Executive The BBA is a UKAS accredited certification body Number 113 The schedule of the current scope of accreditation for product certification is available in pdf format via the UKAS link on the BBA website at www bbacerts co uk Readers are advised to check the validity and latest issue number of this Agr ment Certificate by either referring to the BBA website or contacting the BBA direct British Board of Agr
35. tisfying this Standard with reference to clauses 3 10 102 and 3 10 2012 See sections 4 4 and 10 1 of this Certificate Standard 3 15 Condensation Comment The system will satisfy the requirements of this Standard with reference to clauses 3 15 1023 3 15 4012 and 3 15 5082 See sections 11 3 and 11 4 of this Certificate Standard 6 1 b Carbon dioxide emissions Standard Cw Buildings insulation envelope Comment The system can contribute to satisfying these Standards with reference to clauses or parts of 6 1 10 6 1 2023 6 7 32 6 1 60 6 1 102 6 2 102 6 2 30 6 2 43 6 2 5121 6 2 6 6 2 71 6 2 8 12 6 2 9021 6 2 10 6 2 11 6 2 12 and 6 2 1302 See sections 6 2 and 6 3 of this Certificate Standard 7 1 a b Statement of sustainability Comment The system can contribute to satisfying the relevant requirements of Regulation 9 Standards 1 to 6 and therefore will contribute to a construction meeting the bronze level of sustainability as defined in this Standard In addition the system can contribute to a construction meeting a higher level of sustainability as defined in this Standard with reference to clauses 7 1 4012 Aspect 1012 and 20 7 1 62 Aspect 102 and 20 and 7 1 7012 Aspect 1012 See sections 6 2 and 6 3 of this Certificate Regulation 12 Building standards applicable to conversions Comment All comments given for the system under Regulation 9 Standards 1 to 6 also apply to this Regulation with refer
36. to suit the substrate and insulation thickness selected from Ejotherm NT U Polyethylene PE HD with stainless steel or galvanized steel pin Ejotherm NK U Polyethylene PE HD with stainless steel or galvanized steel pin Ejotherm NTK U Polyethylene PE HD with glassfibre reinforced polyamide pin SPIT ISO 10 Polypropylene with glassfibre reinforced polyamide pin Koelner TFix8M Polypropylene with electro galvanized steel pin Koelner TFix8S 8ST Polypropylene with electro galvanized steel screw Termoz 8U Polyamide with steel stainless steel or galvanized screw Termoz 8UZ Polypropylene with glassfibre reinforced polyamide screw Termoz CN 8 Polypropylene with polyamide steel stainless steel or galvanized steel pin Bravoll PTH S Copolymer polypropylene with galvanized steel screw 1 Other fixings may be used provided they can be demonstrated to have equal or higher pullout plate diameter and plate stiffness characteristics Page 3 of 18 Basecoat e Wetherby Scrim Adhesive Basecoat a cement based polymer modified basecoat comprising limestone sand conforming to BS EN 13139 2002 cement conforming to BS EN 197 1 2011 and additives Supplied as a powder to which clean water is added Reinforcement e reinforcement mesh a 1 0 m thick mesh 4 mm by 4 mm of multi strength alkali resistant glasstibres with a polymer coating and a nominal weight of 160 g m
37. uilding Systems Limited has been assessed and registered as meeting the requirements of BS EN ISO 9001 2008 and or BS EN ISO 14001 2004 by Bureau Veritas Certificate UK 9000006 3 Delivery and site handling 3 1 The insulation is delivered to site shrink wrapped in polythene packs bearing the manufacturer s and product logo and batch numbers 3 2 Components are delivered to site in the quantities and packages listed in Table 1 Each package carries the manufacturer s and product logo and batch number Table 1 Component supply details Component Quantity and packaging Basecoat Brick slip adhesive 25 kg bag Pointing mortar Brick Slips boxed by manufacturer Brick Slip Pistols boxed by manufacturer Reinforcement mesh 1 mx 50 m rolls Mechanical fixings boxed by manufacturer 3 3 The insulation boards should be stored on a firm clean level base off the ground and under cover until required for use 3 4 The insulation boards must be protected from prolonged exposure to sunlight either by storing opened packs under cover in dry conditions or recovering with opaque polythene sheeting Care must be taken when handling the insulation boards to avoid both damage and contact with solvents or materials containing volatile organic components The boards must not be exposed to open flame and other ignition sources Boards that become damaged soiled or wet should be discarded 3 5 The adhesive and basecoat components should b
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