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Description
Atlas ACFoam-II 1-4/5 in. x 4 ft. x 4 ft. Polyiso Roof Insulation Board1 4 5" Polyiso Roof Insulation Board, 4' x 4' Closed cell polyisocyanurate roof insulation with a fiber reinforced organic felt facer for durable, energy efficient roofing assemblies. The ACFoam II board delivers reliable long term thermal resistance and is available in multiple thicknesses for design flexibility. Key Features: Energy Efficient Polyiso: Closed cell polyisocyanurate core provides strong LTTR thermal performance for roof systems.
1-4/5" Polyiso Roof Insulation Board, 4' x 4'
Closed-cell polyisocyanurate roof insulation with a fiber-reinforced organic felt facer for durable, energy-efficient roofing assemblies. The ACFoam-II board delivers reliable long-term thermal resistance and is available in multiple thicknesses for design flexibility.
Key Features:
- Energy-Efficient Polyiso: Closed-cell polyisocyanurate core provides strong LTTR thermal performance for roof systems.
- Durable Facers: Non-asphaltic, fiber-reinforced organic felt facers enhance rigidity and compatibility with roofing membranes.
- Sized for Easy Handling: 4 ft. x 4 ft. boards at 1-4/5 in. thickness streamline installation and staging on the roof.
- Code-Compliant: Meets major standards and approvals including ASTM C1289, UL, FM 4450/4470, Miami-Dade, and Florida Product Approval.
- Lightweight Board: Approximately 7 lb per piece to help reduce labor fatigue during placement.
Specifications Table:
| Specification | Details |
|---|---|
| Product name | 1-4/5" x 4' x 4' Polyiso Roof Insulation |
| Brand | Atlas |
| Model / Series | ACFoam-II |
| Thickness | 1-4/5" |
| Length | 4' (1220 mm) |
| Width | 4' (1220 mm) |
| Core material | Closed-cell polyisocyanurate (polyiso) |
| Facer | Non-asphaltic, fiber-reinforced organic felt facers |
| Item weight | 7 lb (per piece) |
| Coverage | 416 sq. ft. per unit |
| Applicable standards and 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 Approved; 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 / Material number | 45493 |
| Manufacturer number | AC2_024 |
| SKU product number | ATL18ISO4 |
| Unit of measure | PLT | SQ | PC |
Frequently Asked Questions (FAQ):
Q: What is the board size and thickness?
A: Each board measures 4 ft. x 4 ft. with a thickness of 1-4/5 in.
Q: What type of facer does it use?
A: It uses non-asphaltic, fiber-reinforced organic felt facers bonded to the polyiso core.
Q: Is this product approved for use in code-compliant roofing systems?
A: Yes. It lists approvals such as ASTM C1289, UL, FM 4450/4470, Miami-Dade County, and Florida Product Approval.
Q: How much does each board weigh?
A: Approximately 7 lb per piece.
Q: What is the coverage per unit?
A: 416 sq. ft. per unit, as specified for this SKU.
Sleek Thermal Backbone for Modern Roofscapes
This insulation board becomes the quiet hero of a refined roofline, delivering crisp performance behind the scenes. Its felt-faced surface reads clean and purposeful, a tailored layer that supports streamlined assemblies. Pair it with cool roof membranes for a sophisticated, high-contrast finish and elevated efficiency. It’s a discreet essential that underpins a polished, luxury envelope.
Upgrade your roof’s efficiency and reliability with Atlas ACFoam-II—add the boards to your project plan 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