Atlas ACFoam-III is a high-performance flat polyiso insulation board with coated glass facers (CGF) on both sides, designed for use in commercial low-slope roofing systems. With excellent thermal resistance and durability, ACFoam-III delivers long-term energy savings and enhanced roof performance. Key Features Coated glass facers for enhanced moisture, mold, and fire resistance Exceptional R-value per inch for superior thermal efficiency Lightweight and easy to handle Compatible with a wide variety of roofing membranes and adhesives Helps meet LEED® and energy code compliance Environmentally responsible manufacturing with zero ozone-depleting components Thickness R-Value Sheets / Pallet Sq Ft / Pallet 1" R-5.7 48 768 sq ft 1.5" R-8.6 32 512 sq ft 2" R-11.4 24 384 sq ft 2.5" R-14.4 19 304 sq ft 3" R-17.4 16 256 sq ft 3.5" R-20.5 13 208 sq ft 4" R-23.6 12 192 sq ft Certifications & Compliance Meets or exceeds ASTM C1289, Type II, Class 2 FM Approved, UL Classified, Miami-Dade County Approved Eligible for LEED® credits Manufactured in the USA with third-party quality control
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