Atlas ACFoam-II 2 in. x 4 ft. x 8 ft. Polyiso Roof Insulation Board2" x 4' x 8' Polyiso Roof Insulation Board Closed cell polyisocyanurate roof insulation with fiber reinforced organic felt facers for superior thermal performance. This ACFoam II board in a 2 inch thickness delivers long term thermal resistance in low slope roofing systems and meets leading industry standards. Key Features: High Thermal Efficiency: Closed cell polyiso core delivers long term thermal resistance (LTTR) Durable Facers: Non asphaltic,

2" x 4' x 8' Polyiso Roof Insulation Board

Closed-cell polyisocyanurate roof insulation with fiber-reinforced organic felt facers for superior thermal performance. This ACFoam-II board in a 2-inch thickness delivers long-term thermal resistance in low-slope roofing systems and meets leading industry standards.

---

Key Features:

• High Thermal Efficiency: Closed-cell polyiso core delivers long-term thermal resistance (LTTR)
• Durable Facers: Non-asphaltic, fiber‑reinforced organic felt facers enhance strength and compatibility
• Code Compliant: Meets ASTM C1289 and multiple UL, FM, and building code approvals
• Versatile Use: Ideal for low-slope commercial roofing assemblies; 2 in. x 4 ft. x 8 ft. board
• Lightweight Handling: Approximately 15 lb per sheet for easier transport and installation

---

Specifications Table:

Specification	Details
Product Name	2" x 4' x 8' Polyiso Roof Insulation
Brand	Atlas
Product Line	ACFoam-II
Dimensions	2 in. x 4 ft. x 8 ft. (50.8 mm x 1220 mm x 2440 mm)
Thickness	2" (50.8 mm)
Width	4' (1220 mm)
Length	8' (2440 mm)
Core Material	Closed-cell polyisocyanurate (polyiso)
Facers	Non-asphaltic, fiber-reinforced organic felt facers
Approximate Weight	15 lb per sheet
Area Coverage	768 sq. ft. per unit
Style	Polyiso
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
Manufacturer Number	AC2_029
Seller Product Number	ATL2ISO

---

Frequently Asked Questions (FAQ):

Q: What are the board dimensions and thickness?
A: Each board is 2 inches thick and measures 4 feet by 8 feet.

---

Q: What facers are used on this insulation?
A: Non-asphaltic, fiber-reinforced organic felt facers are integrally bonded to the polyiso core.

---

Q: Which standards and approvals does it meet?
A: ASTM C1289, CAN/ULC-S704, multiple UL standards, FM 4450/4470, Miami-Dade and Florida approvals, among others.

---

Q: How much does one sheet weigh?
A: Approximately 15 pounds per sheet.

---

Q: What is the product line?
A: Atlas ACFoam-II polyiso roof insulation.

---

Sleek Thermal Armor for Modern Rooflines

This polyiso panel brings a refined, purposeful minimalism to the building envelope, streamlining the roof with crisp geometry and quiet confidence. The fiber-reinforced felt facer offers a tailored, matte surface that feels both engineered and elegant. Layer it beneath single-ply membranes or built-up systems to create a thermally resilient canvas that elevates performance without visual noise. It’s an essential foundation for luxurious, efficient architecture.

---

Upgrade your roof assembly with Atlas ACFoam-II for lightweight handling, proven code compliance, and long-term thermal performance—add it to your project today.