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

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

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.

$35.71
GAF EnergyGuard Ultra Grade-II Polyiso Roof Insulation, 2.5 in, 20 psi, 4 ft x 8 ft Panels
$35.71

Product Information

Shipping & Returns

Description

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.

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