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Description
Atlas ACFoam-II Polyiso Roof Insulation Board, 1 in x 4 ft x 8 ft, Grade-II (20 psi)Atlas 1" Polyiso Roof Insulation Board (4'x8') Closed cell polyisocyanurate roof insulation with fiber reinforced organic felt facers for durable, high performance thermal protection. This Grade II board provides 20 psi compressive strength and consistent LTTR values across thickness options. Ideal for commercial and residential roofing assemblies. Key Features: Durable Construction: Closed cell polyiso core bonded to non asphaltic, fiber reinforced
Atlas 1" Polyiso Roof Insulation Board (4'x8')
Closed-cell polyisocyanurate roof insulation with fiber-reinforced organic felt facers for durable, high-performance thermal protection. This Grade-II board provides 20 psi compressive strength and consistent LTTR values across thickness options. Ideal for commercial and residential roofing assemblies.
Key Features:
- Durable Construction: Closed-cell polyiso core bonded to non-asphaltic, fiber-reinforced felt facers for strength and stability
- Grade-II Strength: 20 psi compressive rating supports robust roofing assemblies
- Thermal Performance: Engineered for long-term thermal resistance (LTTR) to improve energy efficiency
- Code Compliance: Meets major standards including ASTM C1289, CAN/ULC-S704, and multiple UL/FM approvals
- Standard Size: 1" thickness in a 4' x 8' sheet for efficient coverage and handling
Specifications Table:
| Specification | Details |
|---|---|
| Product Name | 1" x 4' x 8' Grade-II (20 psi) Polyiso Roof Insulation |
| Brand | Atlas |
| Style | Polyiso |
| Thickness | 1" (25.4 mm) |
| Length | 8' (2440 mm) |
| Width | 4' (1220 mm) |
| Compressive Strength | Grade-II (20 psi) |
| Facers | Non-asphaltic, fiber-reinforced organic felt |
| Core | Closed-cell polyisocyanurate (polyiso) |
| Item Weight | 10 lb |
| Unit of Measure | SQ|SHT|PC |
| 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 |
| SKU Manufacturer Number | AC2_004 |
| Product Number | ATL1ISO |
| Area per Unit | 1536 Sq. Ft. per Unit |
| Long Description | Closed-cell polyisocyanurate foam core integrally bonded to non-asphaltic, fiber-reinforced organic felt facers. ACFoam-II is offered in a variety of thicknesses, providing long-term thermal resistance (LTTR) values. |
Frequently Asked Questions (FAQ):
Q: What is the board size and thickness?
A: Each board is 4 feet by 8 feet with a 1-inch thickness.
Q: What type of facers does it use?
A: Non-asphaltic, fiber-reinforced organic felt facers bonded to the polyiso core.
Q: Is it approved for use under building codes?
A: Yes, it meets ASTM C1289, CAN/ULC-S704, and carries UL, FM, Miami-Dade, and Florida approvals, among others.
Q: What is the compressive strength?
A: Grade-II with a 20 psi compressive strength rating.
Q: Where is this insulation typically used?
A: In roof assemblies for commercial and residential projects requiring high thermal performance and code-compliant materials.
Sleek Thermal Armor for Modern Roofscapes
This board delivers a refined, minimal profile while elevating the roof’s performance with confident thermal integrity. The fiber-reinforced felt facer lends a sophisticated, tailored finish that layers seamlessly beneath membranes. Pair it with clean-lined flashing and a monochrome roof palette for a crisp, contemporary silhouette. A smart essential for luxurious, energy-conscious architecture.
Upgrade your roof’s performance with Atlas ACFoam-II—add to cart for code-compliant, energy-efficient insulation today.
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