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

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

Name: Atlas ACFoam-II Grade-II Polyiso GRF Roof Insulation, 1.5 in x 4 ft x 8 ft (20 psi)
Brand: lifisolutions.eu
SKU: 70667507764
Price: 513.22 USD
Availability: InStock
Rating: 4.6606000000000005 (1596 reviews)

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.

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