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| Nailable Base |
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Insulation for Roof Tile, Shake or Metal Panel Roofing Systems
Rmax Nailable Base is a highly efficient thermal insulation board composed of a rigid closed cell polyisocyanurate foam core bonded to a 7/16-inch thick OSB nailing panel on the top surface and a glass fiber/organic mat facer on the other side of the product.
Rmax Nailable Base is superior for use with concrete, slate, or clay roofing tiles. It may also be used with wood shakes and metal panel roofing systems. In some cases, Nailable Base can be used with shingles. Consult shingle manufacturer for information regarding warranty and application methods over Nailable Base. Some shingle manufacturers do not allow their products to be installed over non-vented insulation systems. Nailable Base is approved for use in new roofing construction over steel, wood, non-combustible and certain types of nailable roof decks. Designers and installers of Rmax Nailable Base roofing insulation products are referred to Rmax publication "TR-0101A", "General Notes for Use and Installation of Rmax Roofing Insulations" for additional information and details not covered here. |
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Density, Overall (Nominal) : 2.0 pcf
Compressive Strength (Avg.) : 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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