SKU: 30702643287

GAF EnergyGuard Ultra Grade-II Polyiso Roof Insulation, 2.5 in, 20 psi, 4 ft x 8 ft Panels

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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25

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Description

GAF EnergyGuard Ultra Grade-II Polyiso Roof Insulation, 2.5 in, 20 psi, 4 ft x 8 ft PanelsEnergyGuard 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

EnergyGuard 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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 30702643287

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David Cowart
Belleville, US
★★★★★ 4
will shrink when dried.
good quality buy runs a little small.
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Reviewed in the United States on April 24, 2026
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Jenni Piepgrass
Natrona Heights, US
★★★★★ 5
Cutest hoody for toddlers
Size: 3T, Color: Lilac
Amazing!! The cutest colour. Got it for my niece who is 2- got a size 3T and it’s fits perfect so I would definitely size up
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Reviewed in the United States on March 2, 2026
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Kristi
Fort Morgan, US
★★★★★ 5
Great fit
Size: 3T, Color: Light Grey Heather
Very soft and great material. Stretchier than expected. Fit was great
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Reviewed in the United States on May 2, 2026
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DANG
Boise, US
★★★★★ 3
Size up
Size: Small, Color: Black
Overall a good hoodie. Thin-ish to medium weight, but don’t expect heavy weight. It’s soft but of course since it’s on more on the thin side it loses its softness quick but for the price it’s good. It’s good to cricut heat transfer on.
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Reviewed in the United States on January 19, 2026
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Katie
Port Orchard, US
★★★★★ 5
Nice and heavy
Size: Small, Color: Dark Green
Nice quality, heavyweight. My child wears this all the time, it’s really nice.
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Reviewed in the United States on May 24, 2026

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