Atlas Roofing's ACFoam-HD CoverBoard is manufactured and tested for use in new and reroofing applications. The board is used in mechanically attached single-ply and adhered single-ply roofing systems. These roofing systems depend on proper installation for successful performance.

Its closed-cell polyisocyanurate foam core is integrally bonded to inorganic ACFoam®- III coated glass facers. Available in 0.5-inch thick 4-foot by 8-foot (1220mm x 2440mm) and 0.5-inch thick 4-foot by 4-foot (1220mm x 1220mm) panels. Manufactured in accordance with ASTM C1289, Type II, Class 4, Grade 1 (80 psi (551 kPa) minimum, up to 110 psi (758 kPa) compressive strength.

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