
GAF EnergyGuard Grade-II (20 psi) Polyiso Roof Insulation, 2.7 in Thick, 4 ft x 8 ft Panels
Regular price $35.71EnergyGuard Grade-II Polyiso Roof Insulation (2.7" x 4' x 8')
High-compressive-strength polyisocyanurate roof insulation with glass fiber–reinforced cellulosic felt facers. Designed for commercial roofing systems, delivering durability and thermal performance in a 2.7-inch thick 4x8 panel.
Key Features:
- Durable Facers: Glass fiber–reinforced cellulosic felt facers bonded to polyiso core for strength
- High Compressive Strength: Grade-II 20 psi rating for robust rooftop performance
- Large Panel Coverage: 4 ft x 8 ft panels; 17 pieces per bundle covering 544 sq. ft.
- Industry Approvals: Meets ASTM standards; FM Approved, UL Classified; Florida and Miami-Dade approvals; PIMA Quality Mark
- Lightweight Handling: Approx. 17.152 lb per panel for easier installation
Specifications Table:
| Specification | Details |
|---|---|
| Thickness | 2.7" |
| Dimensions | 4' x 8' |
| Pieces per Bundle | 17 |
| Bundle Coverage | 544 Sq. Ft. per Bundle |
| Compressive Strength | 20 psi (Grade-II) |
| Facers | Glass fiber–reinforced cellulosic felt |
| Core | Polyisocyanurate foam |
| Approvals/Standards | ASTM C1289 Type II (Class 1); ASTM D1621; ASTM D2126; ASTM C209; ASTM E96; ASTM E84; FM Approved; UL Classified; Florida Building Code Approved; Miami-Dade County Approved; PIMA Quality Mark |
| Unit of Measure | SQ|PC |
| Item Weight | 17.152 lb per panel |
| Manufacturer Number | 20 2.7 |
| Product Number | GAF27ISO |
Frequently Asked Questions (FAQ):
Q: What are the panel dimensions and thickness?
A: Each panel is 4 ft x 8 ft and 2.7 inches thick.
Q: How much area does one bundle cover?
A: A bundle of 17 panels covers approximately 544 square feet.
Q: What is the compressive strength rating?
A: Grade-II with a 20 psi compressive strength rating.
Q: What standards and approvals does it meet?
A: ASTM C1289 Type II (Class 1), ASTM D1621, D2126, C209, E96, E84; FM Approved; UL Classified; Florida Building Code and Miami-Dade County approvals; PIMA Quality Mark.
Q: What is the facer material?
A: Glass fiber–reinforced cellulosic felt facers bonded to a polyiso foam core.
Architectural Armor for Modern Roofscapes
This polyiso panel brings a clean, tailored profile to the rooftop, quietly elevating the envelope with resilient, high-compression strength. The glass fiber–reinforced felt facers lend a refined, matte finish that feels intentional and engineered. Layer it beneath membrane systems to craft a sleek, high-performance silhouette while maximizing coverage with generous 4x8 panels. Consider it the essential foundation for luxury commercial roofing—beauty built on endurance.
Choose EnergyGuard Grade-II to fortify your roof with proven 20 psi strength and broad coverage for lasting performance.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.