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THERMOPLASTIC MEMBRANE ROOFING - ADHERED Section 07541 15-1207 Roofing): Sarnavap-10 is loose -laid over suitable substrate. Overlap all edges 4 inches and seal with butyl tape. Extend Sarnavap-10 to perimeter and deck penetrations and seal to provide continuity of the building's air/vapor envelope. Sarnavap-10 must be sealed on the vertical surface at roof penetrations also. B. Sarnavap Self -Adhered 1. Primer Application The substrate must be clean, dry and free of dust, grease or other contaminants. Shake well before using. Apply to clean and dry surfaces with a paint brush, roller or sprayer. Application rates will vary depending on substrate. Sarnavap Self -Adhered vapor barrier must be installed on the same day as the primer application. Acceptable substrates for primer application include wood, concrete, lightweight concrete, gypsum boards and decks. Drying time is typically 30 minutes to 3 hours. Spraying equipment recommendations: a) Spray tip size: between 20 and 25 mils. b) Pressure: 1300 psi continuous To Install: Follow membrane manufacturer's current installation requirements. 3.07 WOOD NAILER INSTALLATION A. Install continuous wood nailers at the perimeter of the entire roof and around roof projections and penetrations as shown on the Detail Drawings. B. Nailers shall be anchored to resist a minimum force of 300 pounds per lineal foot (4,500 Newtons per lineal meter) in any direction. Individual nailer lengths shall not be less than 3 feet (0.9 meter) long. Nailer fastener spacing shall be at 12 inches (0.3 m) on center or 16 inches (0.4 m) on center if necessary to match the structural framing. Fasteners shall be staggered 1/3 the nailer width and installed within 6 inches (0.15 m) of each end. Two fasteners shall be installed at ends of nailer lengths. Nailer attachment shall also meet the requirements of the current Factory Mutual Loss Prevention Data Sheet 1-49. C. Thickness shall be as required to match substrate or insulation height to allow a smooth transition. D. Any existing nailer woodwork which is to remain shall be firmly anchored in place to resist a minimum force of 300 pounds per lineal foot (4,500 Newtons per lineal meter) in any direction and shall be free of rot, excess moisture or deterioration. Only woodwork shown to be reused in Detail Drawings shall be left in place. All other nailer woodwork shall be removed. E. Stainless steel, corrosion resistant, fasteners are required when mechanically attaching any Sika Sarnafil product to wood nailers and wood products treated with ACQ (Alkaline copper Quaternary). When ACQ treated wood is used on steel roof decks or with metal edge detailing, a separation layer must be placed between the metal and ACQ treated wood. 19