Atlas ACFoam-III Flat CGF Coated Glass Faced 2 Sides 4ft x 8ft Polyiso Roof Insulation Board - All Sizes

Atlas ACFoam-III is a premium polyisocyanurate (polyiso) roof insulation board, coated on both sides with durable coated glass facers (CGF). Designed for low-slope commercial roofing systems, it delivers excellent thermal performance, moisture resistance, and compatibility with a wide range of roofing assemblies. Key Features Coated glass facers enhance fire resistance and dimensional stability High thermal efficiency with low environmental impact Lightweight for easy handling and installation Compatible with BUR, modified bitumen, and single-ply roofing systems Supports energy code compliance and sustainable building goals Product Specifications Thickness R-Value Sheets / Pallet Sq Ft / Pallet 1" R-5.7 48 1536 sq ft 1.5" R-8.6 32 1024 sq ft 2" R-11.4 24 768 sq ft 2.5" R-14.4 19 608 sq ft 3" R-17.4 16 512 sq ft 3.5" R-20.5 13 416 sq ft 4" R-23.6 12 384 sq ft Compliance & Approvals Conforms to ASTM C1289, Type II, Class 2 FM Approved | UL Classified | Miami-Dade Approved Contributes to LEED® certification Manufactured in the USA under strict quality standards