Atlas ACFoam-Supreme is a premium polyiso roof insulation board, foil-faced on both sides, delivering high thermal performance, moisture resistance, and durability. Designed for a wide range of low-slope commercial and residential roofing systems, it provides long-term energy efficiency while being lightweight and easy to install.
Key Features
- Dual foil facers enhance thermal resistance and reflect radiant heat
- High R-value per inch for superior insulation performance
- Lightweight, rigid foam core simplifies handling and installation
- Compatible with multiple roof assemblies (BUR, mod-bit, single-ply)
- Can be installed in layers to meet custom thermal and slope design needs
| Thickness |
R-Value |
Board Size |
Sheets / Pallet |
Coverage / Pallet |
| 1″ |
R-5.7 |
4ft x 8ft |
48 |
1536 sq ft |
| 1.5″ |
R-8.6 |
4ft x 8ft |
32 |
1024 sq ft |
| 2″ |
R-11.4 |
4ft x 8ft |
24 |
768 sq ft |
| 2.5″ |
R-14.4 |
4ft x 8ft |
19 |
608 sq ft |
| 3″ |
R-17.4 |
4ft x 8ft |
16 |
512 sq ft |
| 3.5″ |
R-20.5 |
4ft x 8ft |
13 |
416 sq ft |
| 4″ |
R-23.6 |
4ft x 8ft |
12 |
384 sq ft |
Unconditional Satisfaction Guarantee
