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Tapered ACFoam®-III Product Description

  • Features a closed-cell polyiso foam core integrally laminated to heavy coated-glass facers.
  • Manufactured in a tapered profile to attain positive drainage while maintaining the highest thermal efficiency available in a tapered system.
  • Typically specified for mechanically attached single-ply, cold-applied BUR and cold-applied modified bitumen membrane systems.
  • Also available in 25-psi formula.
  • Available in 4’ x 4’ (1220mm x 1220mm) only.
  • Offers 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.
  • ACFoam-III received the GREENGUARD Environmental Institute’s highest rating of 4--Highly Resistant to Mold Growth. This GREENGUARD test method is conducted in accordance with ASTM D 6329 and rates materials for susceptibility for microbial growth. The test was conducted on whole products, not just the facing material.

    Click here to view the Atlas GreenGuard Microbial Resistance Listing.


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Tapered Polyiso Insulation
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