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ACFoam® Composite/GB Product Description
- 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.
- Glass-mat gypsum board provides a dense protection layer for the primary foam insulation and makes Composite/GB a good choice where foot traffic is a concern.
- Typically specified for BUR, modified bitumen, and single-ply systems. Consult membrane manufacturer for specific system details and application recommendations.
- CFC-, HCFC-, and HFC-free foam blowing technology with zero ozone depletion potential (ODP) and zero (negligible) global warming potential (GWP).
- Available in 4' x 4' (1220mm x 1220mm) and 4' x 8' (1220mm x 2440mm) panels.
- 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.
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ACFoam-IV featured in a new case study set in New Orleans, LA. Find out how this great product with HIGH PERFORMANCE characteristics helped control costs and address code requirements in a local film studio. Thanks to Atlas’ innovative facer technology, Atlas ACFoam-IV is the first high performance polyiso roof insulation product capable of never-before-seen wind uplift ratings for selected roof membranes adhered directly to polyiso.
GEMINI™ Tapered Edge Strips are the only polyiso insulation component with a Zero Edge Solution. Gemini TES provides a smooth transition from tapered edge to roof surface in a dimensionally stable insulation panel for use in Single-Ply, Mod-Bit, and BUR systems. The best thing about Gemini TES is that they provide a stronger, more durable edge material than perlite or fiberboard.
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