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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

Atlas ACFoam Supreme Foil Faced 2 Sides 4ft x 8ft Polyiso Roof Insulation Board - All Sizes

SKU: AACFSFF1481P
Size: 1 in x 4ft x 8ft (1536 Sq Ft)
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$1,514.76 USD /piece
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