Atlas ACFoam-III Grade-III Polyiso CGF Roof Insulation, 1-1/2 in x 4 ft x 8 ft (25 psi)
Regular price $1,368.58ACFoam-III 1-1/2" Polyiso Roof Insulation Board
Closed-cell polyisocyanurate roof insulation with fiber-reinforced organic felt facers for durable thermal performance. The Grade-III board delivers 25 psi compressive strength and long-term thermal resistance in a 1-1/2 in thick, 4x8 format.
Key Features:
- Durable Polyiso Core: Closed-cell foam for strong thermal resistance (LTTR)
- Reinforced Facers: Non-asphaltic, fiber-reinforced organic felt facers improve stability
- Grade-III Strength: 25 psi compressive strength supports rooftop applications
- Standard Panel Size: 1-1/2 in thickness, 4 ft x 8 ft board for efficient coverage
- Broad Approvals: Meets ASTM C1289 and multiple UL/FM, Miami-Dade, and Florida product approvals
Specifications Table:
| Specification | Details |
|---|---|
| Thickness | 1-1/2" (38.1 mm) |
| Length | 8' (2440 mm) |
| Width | 4' (1220 mm) |
| Compressive Strength | 25 psi (Grade-III) |
| Core | Closed-cell polyisocyanurate foam |
| Facers | Non-asphaltic, fiber-reinforced organic felt, integrally bonded |
| Style | Polyiso |
| Unit of Measure | SQ|PC |
| Applicable Standards/Approvals | ASTM C1289; CAN/ULC-S704; CCMC No. 12423-L; UL Certified for Canada; UL 1256; UL 790 (ASTM E108); UL 263 (ASTM E119); UL 1897; FM 4450/4470; IBC Chapter 26 & NBC; California State; Miami-Dade County Approved; Florida Product Approved; Greenguard Certified; RCI Approved; NRCA Approved; AIA Approved; U.S. Green Building Council Member |
| Area Coverage | 1024 sq. ft. per unit |
| Item Weight | 13 lb |
| Product Number | ATLAC3251548 |
Frequently Asked Questions (FAQ):
Q: What is the board size and thickness?
A: Each panel is 4 ft x 8 ft and 1-1/2 in thick.
Q: What is the compressive strength?
A: Grade-III provides 25 psi compressive strength.
Q: What type of facers does it use?
A: Non-asphaltic, fiber-reinforced organic felt facers integrally bonded to the polyiso core.
Q: What standards and approvals does it meet?
A: ASTM C1289, CAN/ULC-S704, UL 1256/790/263/1897, FM 4450/4470, Miami-Dade and Florida approvals, among others.
Q: Where is this insulation typically used?
A: As roof insulation in commercial or residential low-slope roofing systems requiring high thermal performance and strength.
Sleek Strength for Elevated Roofscapes
This streamlined board brings a quiet confidence to the envelope, marrying crisp geometry with robust performance. The fiber-reinforced facer lends a tailored finish while the polyiso core delivers enduring warmth. Layer it to sculpt clean, modern rooflines and maintain a refined silhouette. A discerning essential for luxurious, high-performing architecture.
Choose ACFoam-III to upgrade your roof’s efficiency and strength with proven, approved performance.
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