SKU: 1234764812

GAF EnergyGuard Grade-II (20 psi) Polyiso Roof Insulation, 2.7 in Thick, 4 ft x 8 ft Panels

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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14

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Description

GAF EnergyGuard Grade-II (20 psi) Polyiso Roof Insulation, 2.7 in Thick, 4 ft x 8 ft PanelsEnergyGuard Grade II Polyiso Roof Insulation (2. 7" x 4' x 8') Rigid polyisocyanurate roof insulation with glass fiberreinforced cellulosic felt facers for durable thermal performance. Grade II formulation delivers 20 psi compressive strength in 2. 7 inch thick 4x8 panels, ideal for commercial roofing assemblies. Key Features: High Compressive Strength: Grade II formulation provides 20 psi for robust rooftop durability Efficient Thermal Core:

EnergyGuard Grade-II Polyiso Roof Insulation (2.7" x 4' x 8')

Rigid polyisocyanurate roof insulation with glass fiber–reinforced cellulosic felt facers for durable thermal performance. Grade-II formulation delivers 20 psi compressive strength in 2.7-inch thick 4x8 panels, ideal for commercial roofing assemblies.


Key Features:

  • High Compressive Strength: Grade-II formulation provides 20 psi for robust rooftop durability
  • Efficient Thermal Core: Polyisocyanurate foam core helps improve energy efficiency in roofing systems
  • Reinforced Facers: Glass fiber–reinforced cellulosic felt facers enhance dimensional stability and handling
  • Commercial Approvals: Meets ASTM standards; FM Approved, UL Classified, Florida and Miami-Dade approvals, PIMA Quality Mark
  • Bundle Coverage: 17 pieces per bundle covering approximately 544 sq. ft.

Specifications Table:

Specification Details
Brand GAF
Product Name EnergyGuard Grade-II (20 psi) Polyiso Roof Insulation
Panel Dimensions 4 ft x 8 ft
Thickness 2.7 in
Compressive Strength 20 psi (Grade-II)
Core Material Polyisocyanurate foam
Facers Glass fiber–reinforced cellulosic felt
Pieces per Bundle 17
Bundle Coverage 544 sq. ft. per bundle
Item Weight 17.152 lb (per piece)
Unit of Measure SQ | PC
Style Polyiso
Applicable Standards and Approvals 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
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 many pieces come in a bundle and what area do they cover?
A: A bundle includes 17 panels, covering about 544 square feet.


Q: What is the compressive strength rating?
A: Grade-II panels are rated at 20 psi compressive strength.


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 Approved; PIMA Quality Mark.


Q: What are the facers made of?
A: Glass fiber–reinforced cellulosic felt facers bonded to the polyiso core.


Sleek, Structural Warmth for Elevated Roofscapes

EnergyGuard’s refined, sand-toned surface brings a tailored sensibility to the layers of a roof assembly. The reinforced facers read crisp and confident, supporting a silhouette that feels both modern and enduring. Pair it with clean metal edges and a monochrome membrane for a polished, architectural statement. It’s a foundational piece that whispers luxury through performance and precision.


Choose EnergyGuard Grade-II to reinforce your roof with 20 psi strength and efficient insulation—order today to streamline your next install.

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: 1234764812

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Nicole Beth-Manning
Lexington, US
★★★★★ 5
Looks good and fits
It looks good and fits perfectly; other than that, I have no idea how to tell if it's better or worse than anything else.
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Reviewed in the United States on April 29, 2026
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WER
Port Orchard, US
★★★★★ 5
Happy with purchase
Works as well at the fraction of the price. Very happy with the purchase. Very easy to install
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Reviewed in the United States on December 11, 2025
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Amazon Customer
Whiting, US
★★★★★ 5
Great OEM replacement at hlaf the cost
Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
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Reviewed in the United States on April 15, 2025
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Elliot
West Palm Beach, US
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
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Reviewed in the United States on December 27, 2025
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Fatman
Houston, US
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
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Reviewed in the United States on May 2, 2026

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