ICO2366 HOT MELT INSTALLATION MANUAL - Version 3
Contents
1. Following completion of the waterproofing and installation of the drainage layer the surface shall receive pavings in accordance with BS 7263 Pt 1 laid on an appropriate bed by others 4 3 Green Roofs Icopal Extensive or Intensive Green Roof build ups can be installed above the completed waterproofing layer For further assistance refer to the Icopal Green Roof Brochure or contact Icopal s technical department 4 4 Substructures Tanking Below ground applications of the Parabit system shall be protected using the Rootbar Capsheet Protection Layer Install Fytonop 12 Drainage Board as back filling progresses to further protect the waterproofing tanking system whilst also facilitating removal of groundwater to the dedicated drainage system 4 5 Access Roadways Parabit PL 3 Protection Layer shall be used to provide greater durability prior to the application of the finished roadway wearing course by others2. b Plaza Decks or Podiums c Green Roofs Extensive amp Intensive d Access Roadways e Sub structures Tanking 1 3 Third Party References a CGSB 37 50 M89 Canadian Specification for Hot Applied rubberised bitumen for roofing and waterproofing b ASTM applicable standards and test methods c UL 790 Tests for fire resistance of roof materials d BBA Certified 08 4514 1 4 Quality Assurance a Applicator Qualifications Applicator shall be experienced in applying the same or similar materials and shall be specifically approved in writing by the membrane manufacturer b Regulatory requirements Comply with applicable codes regulations ordinances and laws regarding use and application of products that contain volatile organic compounds VOC s C Pre application conference Prior to beginning work convene a conference to review conditions installation procedures schedules and co ordination with other work 1 5 1 6 Delivery Storage and Handling Deliver materials to project site in original factory sealed unopened containers bearing manufacturer s name and label intact and legible with following information 1 Name of material 2 Manufacturers stock number and date of manufacture 3 Material safety data sheet Store flashing and primer in a protected area out of direct sunlight Protect from rain and physical damage Project Conditions Do not apply membrane if temperature is less
3. than 0 F 18 C or to a damp frosty snow covered or contaminated surface Should rain interrupt application allow one full day of good drying conditions before continuing with the system installation Any surface dampness can seriously affect adhesion of the membrane system Co ordinate waterproofing work with other trades The applicator shall have sole right of access to the specified areas for the time needed to complete the application Protect adjoining surfaces not to be waterproofed against damage or spoiling Protect plants vegetation and animals which might be affected by waterproofing operations Warn personnel against breathing of vapours and contact of material with skin or eyes Wear applicable protective clothing and respiratory protection gear Refer to relevant material safety data sheet Keep flammable products away from spark or flame Do not allow the use of spark producing equipment during application until all vapours have dissipated Post NO SMOKING signs Maintain work area in a neat and orderly condition removing empty containers rags and rubbish daily from the site 1 7 1 8 1 9 Unique Characteristics Self Healing Minor damage will self heal whilst the membrane is clean dry amp warm Laps When lapping with existing material the heat of freshly installed Parabit CCW 500 will re activate the existing product fusing the two together maintaining a monolithic membrane This featu
4. 0 or Parabit Uncured Neoprene flashing into the hot melt extending up the vertical surface and onto the horizontal surface approximately 150mm Completely cover all flashing material during installation of subsequent layers of Parabit membrane including the Parabit Reinforcing Fleece and protection layer Around drains apply a thin film of Parabit CCW 550 Primer in a 0 37 square meter area Allow primer to dry 1 hour minimum 8 hours maximum Apply 1 5 2 3mm of Parabit CCW 500 membrane to cover primed areas Install 0 3 square metre section of Parabit CCW 711 90 or Parabit Uncured Neoprene Flashing over the drain and onto the deck No splices or seams are allowed within 75mm of the drain flange Terminate the flashing under the clamping ring of the drain and cut away the inner portion of the flashing Use firm pressure to press the flashing against the Parabit membrane and ensure good adhesion Do not interfere with weep holes 3 3 Application Main Area Apply Parabit CCW 550 Primer to all surfaces and at the juncture of all horizontal and vertical surfaces Avoid puddles Allow primer to dry for 1 hour minimum 8 hours maximum or when dry to touch If primed surface is left longer than 8 hours the surface shall be re primed with a light coating of the Parabit CCW 550 primer Membrane will not properly adhere to wet primer The primer is best applied by roller Primer should be brown scatter primed Heat Parabit hot mel
5. Concretesa are considered acceptable substrates where the density is between 1400 kg m8 1800 kg m8 retaining 5 20 moisture by volume when cured 1 10 Other Substrates a Plywood Consult Icopal s b OSB Technical Dept c Metal Deck for preparation advice Roof Drainage It is the considered opinion of the manufacturer that zero falls are acceptable where the scheme is inverted or fully protected with slabs ballast and where 3 party accreditation accompanies the system Part 2 Parabit Product Range 2 1 Liquid Membrane Reinforcing Fabric 2 2 Flashings Surface Primer Backer Rod Expansion Joints Protection Layers Hot Applied Liquid Membrane Parabit Hot Applied Membrane comprising rubberised bitumen compound formulated from a combination of bitumen oils and synthetic rubbers Supplied in individual cardboard boxes weighing approximately 14kg Parabit CCW 500 Reinforcing Fabric is a sounbonded polyester fabric Accessory Products Shall be Parabit CCW 711 or Parabit CCW Uncured Neoprene Flashing Shall be Parabit CCW 550 Primer A solvent based bituminous primer specifically designed for concrete surfaces Icopal to be advised prior to application Shall be closed cell polyethylene foam rod Shall be Parabit CCW 711 or Parabit CCW Uncured Neoprene Where expansion joints are exposed refer to Icopal s technical department Parabit Protection Layers i
6. Parabit Hot Melt Waterproofing Membrane o c O prr amp 4 ep Installation Manual Ico Prepared by Icopal Limited Version 3 ICO2366 Contents PART 1 Seer or er a ety a ry ay te 4AunWOANOAOARWDY O PART2 2 1 2 2 PART4 4 1 4 2 4 3 4 4 4 5 General System Description Typical Roof Design Applications Third Party References Quality Assurances Storage Handling Delivery Project Conditions Unique Characteristics Tools amp Equipment Density of Concrete Substrate Other substrates Roof Drainage Parabit Product Range Hot Applied Liquid Membrane Accessories Execution Inspection Surface Preparation Application Protection Course Electronic Surface Fault Detection Test Repairs Overnight Insulation Roof Coverings Inverted Roofs Plaza Decks Green Roofs Substructures Access Roadways Part 1 General The advice offered in the following document should be followed in complete compliance with all health and safety requirements associated with the materials use 1 1 System Description A hot applied rubberised bitumen membrane system consisting of two layers of rubberised bitumen reinforced with a polyester fabric and protected with a compatible bitumen membrane 1 2 Typical Roof Design Applications Parabit is ideally suited where one of the following roof designs are intended a Inverted Roofs Ballasted Paved
7. ge flush and level with the concrete surface Form Release Agents used to facilitate removal of formwork from cast concrete can be transferred to the face of the concrete once the formwork has been struck Such agents can detrimentally affect the adhesion of the monolithic membrane As a result all agents transferred to concrete must be removed prior to application of the membrane Furthermore accelerators within the concrete can migrate to the surface leaving a shiny surface These should be removed Bond Testing Before the Parabit system is installed a bond test must be conducted to ascertain the suitability of the concrete surface Bond tests to the area to be coated that day are advised prior to the main application To complete the bond test apply a small amount of primer to the cleaned and prepared area and allow to dry Apply a small amount of the Parabit membrane and allow it to cool Make a triangular incision into the middle of the patch If the membrane can be easily peeled away from the deck then substrate is not ready If it is not possible to peel back the membrane the adhesion is considered satisfactory If the test patch is acceptable protect the patch until the main area material is to be applied The test material will re act with the new material maintaining a monolithic membrane 3 2 Surface Preparation Details The concrete surface must be thoroughly clean dry and free from any surface contaminates laita
8. nce or cleaning residue that may harmfully affect the adhesion of the membrane The concrete shall be structurally sound Correct preparation of the surface is essential Detail expansion manufacturer s recommendation joints as per Cracks Prepare the crack by grinding back the edges never feather the edges Apply a thin film of Parabit CCW 550 Primer 400mm wide centred over sealed crack joint Apply 1 5 2 3mm of Parabit membrane to cover primed areas Install a 300mm strip of Parabit CCW 711 90 or Parabit Uncured Neoprene flashing centred over joints and cracks Preferred Upstand Method All detail work is typically completed before the main field area application Apply Parabit CCW 550 Primer at the juncture of all horizontal and vertical surfaces to the height indicated at a rate of 10 15 square metres per litre Avoid puddles Allow primer to dry 1 hour minimum 8 hours maximum or when dry to touch If primed surface is left longer than 8 hours the surface shall be re primed with a light coating of the Parabit CCW 550 primer Membrane will not properly adhere to wet primer Trowel Method Using a wood or hardboard hand trowel spreader Parabit hot melt is poured in to a trough from which it is brought up the vertical surface using the spreader Typically the membrane can be brought up to shoulder height using this method Apply 1 5 2 3mm of Parabit hot melt to cover primed areas Install Parabit CCW 711 9
9. nclude Anderson 3B Power Elastomeric 180 Sanded Power Elastomeric 250 Sanded Rootbar Capsheet or Xtra Seal Protection Board Drainage Board Shall be Fytonop 12 Insulation Shall be Thermazone Hydroshield EPS Insulation Board Part 3 Execution 3 1 Inspection Before any waterproofing work is started the waterproofing applicator shall thoroughly examine all surfaces for any deficiences Should any deficiences exist the architect owner or general contractor shall be notified in writing and corrections made Condition of Concrete Surfaces The concrete surfaces shall be of sound structural grade 3500 psi minimum and shall have a wood float or fine broom finish free of fins ridges voids or entrained air holes A steel trowelled finish or shiny surface is not acceptable All knots and dust must be removed Laitance Loose concrete towards the surface of the concrete must be removed Concrete shall be cured by water curing method Pure sodium silicate curing compounds are acceptable Contamination All contaminants must be properly cleaned before application of the Parabit system can commence Concrete shall be cured for a min 14 days max 21 days Refer to section 1 9 for further details Voids rock pockets and excessively rough surfaces shall be repaired with approved non shrink grout or ground to match the un repaired areas Two stage drains shall have a minimum 75mm flange and be installed with the flan
10. oat of Parabit Hot Applied Membrane at a rate of 0 3 square metres per litre or as required to obtain an average thickness of 3 2mm Total thickness of the Parabit System shall be 5 5mm or 6 4kg per square metre Apply the appropriate protection layer into the final course of Parabit hot melt membrane and scrape splice the protection layer seams together with hot melt The choice of protection layer will depend upon the intended use of the roof Where the protection layer is exposed a mineral surfaced membrane shall be used For green roof or tanking applications Icopal Rootbar Capsheet shall be used as the protection layer The laps must be torch sealed rather than sealed with a scraper to inhibit root penetration 3 4 Protection Course Where rapid removal of rainwater is desired install Fytonop 12 Drainage Board over the protection layer immediately after the leak detection test on horizontal surfaces If testing is delayed install a temporary covering to protect the Parabit membrane from damage by other trades 3 5 Electronic Surface Fault Detection Test Upon completion of the waterproofing works the integrity of the membrane must be electronically tested before any ballast insulation or other items are placed above the membrane The electonic detector shall confirm the presence of any punctures defects which may be repaired prior to covering and subsequently re tested Before any warranty is issued a leak test cer
11. re allows installation of the Parabit system to be phased in sequence with other construction programmes Low Temperature Flexibility The Parabit system can be applied in temperatures as low as 18 C Solvent Free The Parabit membrane is a single component product Tools amp Equipment Mixer Twin walled mixer air or oil jacketed with continuous mechanical agitation Brushes squeegees rubber edged shovels rollers Buckets transfer pails with nozzle Scissors Stanley Knives Depth gauge tyre tread depth gauge Personal Protection Equipment See material safety data sheet Hand squeegee trowel Note All tools should be cleaned daily a Density of Concrete Substrate In situ Structural concrete will have a density of 2 160kg m8 2 500kg m and will retain 3 5 moisture by volume when cured Concrete with high moisture content requires a minimum curing period of 28 days to ensure adequate drying Low density concrete less than 1 850kg m5 will create adhesion difficulties due to the friable dusty nature of the surface Precast Concrete This is generally an ideal substrate for the Parabit system Concrete block For vertical applications concrete block is acceptable In situ concrete surfaces should be finished with a wood float or fine broom Steel trowel or power floated surfaces are not desirable Lightweight Insulating Concretes are not acceptable substrates Lightweight Structural
12. t membrane blocks in a twin wall air or oil jacketed kettle with continuous agitation and apply at temperatures between 190 C to 202 C Caution Do not exceed maximum safe operating temperature of 204 C The mixer should be thermostatically controlled Apply heated Parabit Hot Applied Membrane to primed area at a rate of 0 44 square metres per litre or as required to obtain an average first layer thickness of 2 3mm Method of Application Grid Method Work consistently in one direction in strips approximately 1m wide Pour the hot rubber membrane in a line along the top bottom edge of the strip With very little downward pressure and using a rubber edged long handled squeegee pull approximately two thirds of the liquid towards you Continue this process down the strip Returning to the beginning push the remaining liquid Again continue working in the one direction Finally return to the beginning for a third time and pull all remaining liquid across the surface Check the depth using a thickness gauge Repeat with additional passes if required Apply Parabit CCW 500 Reinforcing Fabric while membrane is still warm and tacky Cut and trim off any wrinkles or overlap sections of the reinforcing fabric Brush the fabric into the membrane as it is rolled out Overlap the reinforcing fabric onto the adjoining layer a minimum 50mm ensuring the liquid hot melt overlaps 75 mm so that overlapping fabrics are sealed Apply a second c
13. tificate must be provided Alternatively prior to the installation of the subsequent topping layers the area of horizontal membrane can be water tested with 50mm water over a 48 hour period Any leaks detected shall be repaired and the area re tested 3 6 Repairs Should the completed Parabit membrane be damaged during construction repairs can be made by carefully removing the protection layer in a 300mm diameter beyond the damaged section Clean the existing damaged membrane prior to applying new hot membrane The heat from the new membrane will fuse with the existing forming a monolithic repair 3 7 Overnight At the end of the working day all areas should be completely sealed waterproofed particularly the reinforcing fabric 3 8 Insulation Place Thermazone Hydroshield EPS insulation board incorporating Monarperm 700 water reducing layer above the completed hot melt membrane Boards should staggered and laps of the membrane should be taped Part 4 Roof Coverings 4 1 Inverted Roof Coverings Typically inverted roofs require an extruded polystyrene insulation board to be installed above the waterproofing layer followed by a filter fleece prior to being covered with ballast or paving slabs All insulation boards should be laid staggered and butt jointed Filter fleece to be loose laid above the insulation layer with all overlaps to be 300mm minimum Ballast to be river washed stone or gravel ballast 4 2 Plaza decks
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