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Atlas ACFoam-II Grade-II Polyiso GRF Roof Insulation, 1.5 in x 4 ft x 8 ft (20 psi)

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Atlas ACFoam-II Grade-II Polyiso GRF Roof Insulation, 1.5 in x 4 ft x 8 ft (20 psi)

ACFoam-II Grade-II Polyiso Roof Insulation Board (1.5 in, 4x8)

Closed-cell polyisocyanurate foam board with fiber-reinforced organic felt facers for durable, high-performance roof insulation. This Grade-II board delivers long-term thermal resistance and 20 psi compressive strength for commercial and residential roofing systems.


Key Features:

  • Durable Facers: Non-asphaltic, fiber-reinforced organic felt facers integrally bonded to the foam core
  • High Compressive Strength: Grade-II board rated at 20 psi for robust roof assemblies
  • Thermal Performance: Delivers long-term thermal resistance (LTTR) for energy efficiency
  • Industry Approvals: Meets major standards including ASTM C1289, UL certifications, FM approvals, and Miami-Dade/Florida Product Approval
  • Lightweight 4x8 Panel: 1.5 in thickness for easy handling and installation on large roof areas

Specifications Table:

Specification Details
Product name ACFoam-II Grade-II Polyiso GRF Roof Insulation
Thickness 1.5 in (38.1 mm)
Panel size 4 ft x 8 ft (1220 mm x 2440 mm)
Compressive strength 20 psi (Grade-II)
Core Closed-cell polyisocyanurate (polyiso) foam
Facers Non-asphaltic, fiber-reinforced organic felt (GRF)
Applicable standards/approvals ASTM C1289; CAN/ULC-S704; CCMC No. 12464-L; UL Certified for Canada; UL 1256; UL 790 (ASTM E108); UL 263 (ASTM E119); UL 1897; FM 4450/4470; IBC Chapter 26 & NBC; Miami-Dade County Approved; Florida Product Approved; UL Greenguard Gold Certified; RCI Approved; AIA Approved; U.S. Green Building Council Member; National Roofing Contractors Association
Length 8 ft (2440 mm)
Width 4 ft (1220 mm)
Unit of measure SQ | PLT | PC
Item weight 12 lb
Area per unit 1024 sq. ft. per unit
Manufacturer number AC2_016
Product number ATL15ISO
Style Polyiso

Frequently Asked Questions (FAQ):

Q: Can this board be used as a cover board or thermal layer in roof assemblies?
A: Yes, it is designed for use as roof insulation in single-ply and built-up systems; follow project specifications and approval listings.


Q: What is the compressive strength rating?
A: Grade-II boards are rated at 20 psi.


Q: Are there environmental certifications?
A: Yes, UL Greenguard Gold certification and an Environmental Product Declaration (EPD) are available.


Q: What sizes are available?
A: This variant is 1.5 in thick and 4 ft x 8 ft; ACFoam-II is offered in various thicknesses.


Q: Does it meet building code requirements?
A: It aligns with IBC Chapter 26 and related approvals including Miami-Dade and Florida Product Approval; verify local code compliance.


Streamlined Strength for Modern Roofscapes

This polyiso board introduces a clean, minimal profile that elevates the roof plane with quiet sophistication. The fiber-reinforced facer adds a tailored, textural edge while preserving sleek lines. Pair it with a high-contrast membrane and crisp metal trims to craft a contemporary silhouette. A refined essential, it anchors luxurious envelopes with performance and poise.


Choose Atlas ACFoam-II to boost roof performance with proven strength, efficiency, and code-ready approvals.

Warranty

$307.93

Original: $1,026.43

-70%
Atlas ACFoam-II Grade-II Polyiso GRF Roof Insulation, 1.5 in x 4 ft x 8 ft (20 psi)

$1,026.43

$307.93

Product Information

Shipping & Returns

Description

ACFoam-II Grade-II Polyiso Roof Insulation Board (1.5 in, 4x8)

Closed-cell polyisocyanurate foam board with fiber-reinforced organic felt facers for durable, high-performance roof insulation. This Grade-II board delivers long-term thermal resistance and 20 psi compressive strength for commercial and residential roofing systems.


Key Features:

  • Durable Facers: Non-asphaltic, fiber-reinforced organic felt facers integrally bonded to the foam core
  • High Compressive Strength: Grade-II board rated at 20 psi for robust roof assemblies
  • Thermal Performance: Delivers long-term thermal resistance (LTTR) for energy efficiency
  • Industry Approvals: Meets major standards including ASTM C1289, UL certifications, FM approvals, and Miami-Dade/Florida Product Approval
  • Lightweight 4x8 Panel: 1.5 in thickness for easy handling and installation on large roof areas

Specifications Table:

Specification Details
Product name ACFoam-II Grade-II Polyiso GRF Roof Insulation
Thickness 1.5 in (38.1 mm)
Panel size 4 ft x 8 ft (1220 mm x 2440 mm)
Compressive strength 20 psi (Grade-II)
Core Closed-cell polyisocyanurate (polyiso) foam
Facers Non-asphaltic, fiber-reinforced organic felt (GRF)
Applicable standards/approvals ASTM C1289; CAN/ULC-S704; CCMC No. 12464-L; UL Certified for Canada; UL 1256; UL 790 (ASTM E108); UL 263 (ASTM E119); UL 1897; FM 4450/4470; IBC Chapter 26 & NBC; Miami-Dade County Approved; Florida Product Approved; UL Greenguard Gold Certified; RCI Approved; AIA Approved; U.S. Green Building Council Member; National Roofing Contractors Association
Length 8 ft (2440 mm)
Width 4 ft (1220 mm)
Unit of measure SQ | PLT | PC
Item weight 12 lb
Area per unit 1024 sq. ft. per unit
Manufacturer number AC2_016
Product number ATL15ISO
Style Polyiso

Frequently Asked Questions (FAQ):

Q: Can this board be used as a cover board or thermal layer in roof assemblies?
A: Yes, it is designed for use as roof insulation in single-ply and built-up systems; follow project specifications and approval listings.


Q: What is the compressive strength rating?
A: Grade-II boards are rated at 20 psi.


Q: Are there environmental certifications?
A: Yes, UL Greenguard Gold certification and an Environmental Product Declaration (EPD) are available.


Q: What sizes are available?
A: This variant is 1.5 in thick and 4 ft x 8 ft; ACFoam-II is offered in various thicknesses.


Q: Does it meet building code requirements?
A: It aligns with IBC Chapter 26 and related approvals including Miami-Dade and Florida Product Approval; verify local code compliance.


Streamlined Strength for Modern Roofscapes

This polyiso board introduces a clean, minimal profile that elevates the roof plane with quiet sophistication. The fiber-reinforced facer adds a tailored, textural edge while preserving sleek lines. Pair it with a high-contrast membrane and crisp metal trims to craft a contemporary silhouette. A refined essential, it anchors luxurious envelopes with performance and poise.


Choose Atlas ACFoam-II to boost roof performance with proven strength, efficiency, and code-ready approvals.

Warranty

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