Atlas ACFoam-Supreme is a high-performance polyiso roof insulation board, foil-faced on both sides, engineered for maximum thermal efficiency, moisture resistance, and compatibility with various roof systems. Its lightweight yet rigid construction makes it easy to install and ideal for both new construction and re-roofing applications. Key Features Foil facers on both sides for improved thermal resistance and radiant barrier Superior R-values help meet stringent energy codes and lower energy costs Lightweight and easy to cut and install Compatible with a variety of roofing systems (BUR, modified bitumen, single-ply) Approved for use in commercial and residential roofing assemblies Thickness R-Value Board Size Sheets / Pallet Coverage / Pallet 1" R-5.7 4ft x 4ft 48 768 sq ft 1.5" R-8.6 4ft x 4ft 32 512 sq ft 2" R-11.4 4ft x 4ft 24 384 sq ft 2.5" R-14.4 4ft x 4ft 19 304 sq ft 3" R-17.4 4ft x 4ft 16 256 sq ft 3.5" R-20.5 4ft x 4ft 13 208 sq ft 4" R-23.6 4ft x 4ft 12 192 sq ft Applications Low-slope commercial roof systems Suitable for use with mechanically attached, ballasted, and fully adhered membranes Can be layered to achieve desired R-value and slope Compliance & Certifications Meets ASTM C1289, Type I, Class 1 requirements Manufactured with CFC- and HCFC-free foam blowing agents UL Classified, FM Approved, Miami-Dade County Approved
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