Atlas ACFoam-Supreme Foil Faced 2 Sides Polyiso Roof Insulation Board is a high-performance insulation solution engineered for both new construction and re-roofing projects. Foil facers on both sides boost thermal resistance and provide a radiant barrier, helping you meet energy codes without the drama.

Key Features & Design

• Foil facers on both sides for improved thermal resistance and radiant barrier.
• Low-slope compatibility with mechanically attached, ballasted, and fully adhered membranes.
• Lightweight and rigid – easy to cut, transport, and install (no more wrestling with heavy panels).
• Available thicknesses and R-values: 1" (R-5.7), 1.5" (R-8.6), 2" (R-11.4), 2.5" (R-14.4), 3" (R-17.4), 3.5" (R-20.5), 4" (R-23.6).
• Board Size 4ft x 4ft.
• Sheets per pallet & Coverage per thickness: 1" – 48 sheets, 768 sq ft; 1.5" – 32 sheets, 512 sq ft; 2" – 24 sheets, 384 sq ft; 2.5" – 19 sheets, 304 sq ft; 3" – 16 sheets, 256 sq ft; 3.5" – 13 sheets, 208 sq ft; 4" – 12 sheets, 192 sq ft.
• Moisture resistance and robust thermal performance help improve building envelope reliability.
• Compliance Meets ASTM C1289, Type I, Class 1 requirements; UL Classified, FM Approved, and Miami-Dade County Approved. Manufactured with CFC- and HCFC-free foam blowing agents.
• Versatile with roofing systems Compatible with BUR, modified bitumen, and single-ply systems; can be layered to achieve desired R-value and slope.

Whether you're upgrading an existing roof or starting a new build, Atlas ACFoam-Supreme delivers dependable insulation performance with straightforward installation and code-ready results.