GAF EnergyGuard Ultra Grade-II Polyiso Roof Insulation, 2.5 in, 20 psi, 4 ft x 8 ft Panels
Regular price $35.71EnergyGuard Ultra Grade-II Polyiso Roof Insulation (2.5 in)
High-performance polyiso roof insulation board featuring coated glass facers bonded to a rigid polyiso foam core. Designed for commercial roofing systems, it delivers Grade-II compressive strength (20 psi) with reliable thermal efficiency and broad code approvals.
Key Features:
- Durable Construction: Coated glass facers bonded to a rigid polyiso foam core for long-term performance
- High Compressive Strength: Grade-II rating (20 psi) suitable for robust commercial roof assemblies
- Code Compliant: FM Approved, UL Classified, Miami-Dade County and Florida Building Code approved
- Efficient Coverage: 4 ft x 8 ft panels; 2.5 in thickness ideal for building out R-value
- Quality Assurance: Meets ASTM C1289 Type II (Class 2) and carries the PIMA Quality Mark
Specifications Table:
| Specification | Details |
|---|---|
| Product Name | EnergyGuard Ultra Grade-II (20 psi) Polyiso Roof Insulation |
| Brand | GAF |
| SKU | 261002 |
| Manufacturer Number | ULTRA 2.5 |
| Product Number | GAF25UISO48 |
| Style | Polyiso |
| Thickness | 2.5 in |
| Dimensions | 4 ft x 8 ft |
| Area Coverage | 608 sq ft |
| Compressive Strength | 20 psi (Grade-II) |
| Facers | Coated glass facers |
| Core | Polyiso foam core |
| Applicable Standards/Approvals | FM Approved; UL Classified; Florida Building Code; Miami-Dade County Approved; PIMA Quality Mark; ASTM C1289 Type II (Class 2); ASTM D1621; ASTM D3273; ASTM D2126; ASTM C209; ASTM E96; ASTM E84 |
| Unit of Measure | SQ | PC |
| Pieces per Bundle | 19 |
| Item Weight | 16.096 lb |
Frequently Asked Questions (FAQ):
Q: What are the panel dimensions and thickness?
A: Each board measures 4 ft x 8 ft and is 2.5 inches thick.
Q: Is this product approved for use in high-wind regions?
A: Yes. It holds Miami-Dade County approval and Florida Building Code approval.
Q: What is the compressive strength rating?
A: Grade-II with a nominal compressive strength of 20 psi.
Q: What facers does it use?
A: Coated glass facers on both sides of a polyiso foam core.
Q: Which standards does it meet?
A: FM Approved, UL Classified, ASTM C1289 Type II (Class 2), ASTM D1621, D3273, D2126, C209, E96, E84, and PIMA Quality Mark.
Sculpted Thermal Performance for Modern Rooflines
This insulation board lends a clean, disciplined layer to any roof assembly, refining the silhouette while elevating thermal comfort. The coated glass facer is the quiet hero—sleek, resilient, and impeccably engineered. Pair it with a dark membrane to create a crisp, architectural profile that feels both tailored and enduring. It’s an elegantly essential foundation for truly luxurious, efficient spaces.
Choose EnergyGuard Ultra Grade-II to strengthen your roof assembly with proven 20 psi performance and code-approved efficiency.
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.
