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Description
Atlas ACFoam-II 1 in. x 4 ft. x 4 ft. Grade-III (25 psi) Polyiso Roof Insulation Board1" Polyiso Roof Insulation Board, Grade III (25 psi) Closed cell polyisocyanurate roof insulation with fiber reinforced organic felt facers for durable thermal performance. This 1 inch, 4x4 board delivers long term thermal resistance (LTTR) and is designed for commercial and residential roofing systems. Key Features: Durable Construction: Closed cell polyiso core bonded to non asphaltic, fiber reinforced felt facers Grade III Compressive Strength: 25
1" Polyiso Roof Insulation Board, Grade-III (25 psi)
Closed-cell polyisocyanurate roof insulation with fiber-reinforced organic felt facers for durable thermal performance. This 1-inch, 4x4 board delivers long-term thermal resistance (LTTR) and is designed for commercial and residential roofing systems.
Key Features:
- Durable Construction: Closed-cell polyiso core bonded to non-asphaltic, fiber-reinforced felt facers
- Grade-III Compressive Strength: 25 psi rating for robust roof assemblies
- Consistent Thermal Performance: Offers long-term thermal resistance (LTTR) across thickness options
- Standard Board Size: 1 in. thickness, 4 ft. x 4 ft. dimensions for easy layout and handling
- Industry Approvals: Meets ASTM C1289 and multiple UL, FM, IBC/NBC, Miami-Dade, and Florida standards
Specifications Table:
| Specification | Details |
|---|---|
| Thickness | 1" (25.4 mm) |
| Length | 4' (1220 mm) |
| Width | 4' (1220 mm) |
| Material | Closed-cell polyisocyanurate (polyiso) foam core |
| Facers | Non-asphaltic, fiber-reinforced organic felt facers |
| Compressive Strength | Grade-III, 25 psi |
| Certifications/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; USGBC Member; NRCA |
| Unit Area | 768 sq. ft. per unit |
| Style | Polyiso |
| Manufacturer Number | AC2_25PSI_00 |
| Product Number | ATL1ISO4G3 |
Frequently Asked Questions (FAQ):
Q: Can this board be used over metal or concrete decks?
A: Yes, it is approved under multiple UL and FM standards for a variety of roof deck types; follow the specific assembly requirements in the product data sheet.
Q: What is the compressive strength rating?
A: Grade-III boards are rated at 25 psi.
Q: Does it contribute to indoor air quality certifications?
A: Yes, it is UL Greenguard Gold Certified.
Q: How is it fastened?
A: Use the manufacturer’s Fastening Pattern Guide for appropriate mechanical attachment or adhesive application per roof system design.
Q: What are the board dimensions?
A: 1 inch thick, 4 feet by 4 feet.
Sleek Thermal Armor for Modern Roofscapes
This streamlined insulation board brings quiet sophistication to the roofline while delivering steadfast thermal performance. Its fiber-reinforced facers create a refined, uniform surface that supports clean, contemporary assemblies. Pair with a high-contrast membrane and precision metal edging for a crisp architectural profile. A smart essential for luxurious, energy-conscious envelopes.
Upgrade your roof assembly with Atlas ACFoam-II Grade-III polyiso for dependable strength and long-term thermal efficiency.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy