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
