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| Tapered Thermaroof |
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Rmax Tapered Thermaroof is a highly efficient thermal insulation board composed of a rigid closed cell polyisocyanurate foam core bonded to a glass fiber/organic mat facer on both sides of the product. The top surface is manufactured with a slope of 1/8, 1/4, or 1/2 inch per foot to provide for positive roof drainage.
Rmax Tapered Thermaroof is superior for use with the many types of single ply, built-up and modified bitumen membranes. Tapered Thermaroof¢ç is approved for use in new roofing constructions and limited retrofit recover roofing constructions over steel, wood, non combustible, and certain types of nailable roof decks. Designers and installers of Rmax Tapered Thermaroof roofing insulation products are referred to Rmax publication "TR-0101A", "General Notes for Use and Installation of Rmax Roofing Insulations" for details not covered here. |
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Density, Overall : 2.0 pcf
Compressive (Average Strength) : 20 psi (average)
Flame Spread, Core2 : 25 or less
Smoke Developed, Core2 : 55 - 215
Water Vapor Transmission : > 1 perm
Water Absorption : < 1% Vol.
Dimensional Stability : < 4%
Service Temperatures : -40'F to + 250'F |
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