CFC-, HCFC-, and HFC-free foam blowing technology with zero ozone depletion potential (ODP) and zero (negligible) global warming potential (GWP). Polyiso is the highest R-value per inch insulation in the industry. Excellent R-values reduce energy demands while maintaining compatibility with all types of roofing membranes and fire assemblies. See ASHRAE 90.1 Standards for Model Energy Code.
- Closed-cell polyiso foam bonded to 1/4" or 1/2" primed glass-mat gypsum board on the top and a fiber-reinforced felt facer on the bottom.
- Manufactured in a tapered profile to attain positive drainage while maintaining the highest thermal efficiency available in a tapered system.
- The glass-mat gypsum board provides a dense protection layer for the primary foam insulation, which makes Composite/GB a good choice where foot traffic is a concern.
- Available in 4' x 4' (1220mm x 1220mm) only.
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Additional Information
Manufacturer: Atlas Roofing Corporation
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