Elevate ISOGARD HD Grade-I (80 psi) Polyiso Cover Board, 1/2 in x 4 ft x 4 ftISOGARD HD Grade I Polyiso Cover Board High density, 1 2 inch polyisocyanurate cover board with coated glass facers for superior thermal performance. Designed for roofing systems requiring durability and compressive strength, rated at 80 psi. Key Features: High Density Strength: Grade I, 80 psi compressive strength for robust rooftop protection Thermal Efficiency: Polyisocyanurate foam core delivers high R value performance compared to other HD boards

ISOGARD HD Grade-I Polyiso Cover Board

High-density, 1/2-inch polyisocyanurate cover board with coated glass facers for superior thermal performance. Designed for roofing systems requiring durability and compressive strength, rated at 80 psi.

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Key Features:

• High-Density Strength: Grade-I, 80 psi compressive strength for robust rooftop protection
• Thermal Efficiency: Polyisocyanurate foam core delivers high R-value performance compared to other HD boards
• Durable Facers: Coated glass facers enhance dimensional stability and moisture resistance
• Environmentally Considerate: HCFC-free, EPA-accepted blowing agents; ODP-free
• Convenient Size: 4 ft x 4 ft panels at 1/2 in thickness for easy handling and installation

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Compressive Strength	80 psi (Grade-I)
Thickness	0.5 in (13 mm)
Dimensions	4 ft x 4 ft
Material	High-density polyisocyanurate foam core with coated glass facers
Environmental	HCFC-free blowing agent; Ozone Depletion Potential (ODP)-free; EPA accepted blowing agents
Approvals/Listings	FM Approved; Miami-Dade County Approved; UL Classified
Style	Roofing Insulation / Cover Board
Pieces per Bundle	46
Manufacturer Number	W8H8GG050I
Product Number	FIR05ISORGHD8044
Unit of Measure	SQ | PC

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Frequently Asked Questions (FAQ):

Q: What are the board dimensions and thickness?
A: Each board measures 4 ft x 4 ft with a 1/2 in (13 mm) thickness.

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Q: What is the compressive strength rating?
A: Grade-I with an 80 psi compressive strength.

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Q: What are the facer materials?
A: Coated glass facers on a high-density polyisocyanurate foam core.

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Q: Is the product environmentally friendly?
A: Yes. It uses EPA-accepted, HCFC-free blowing agents and is ODP-free.

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Q: What approvals does it carry?
A: FM Approved, Miami-Dade County Approved, and UL Classified.

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Sculpted Strength with a Sleek, Architectural Edge

This cover board introduces a quiet rigor to the roofscape—clean, refined, and beautifully resilient. The coated glass facer reads as a tailored finish while the dense polyiso core provides confidence underfoot. Pair it with a minimalist metal edge and charcoal membrane for a crisp, modern silhouette. It’s a discreet essential that elevates performance and luxury in equal measure.

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Upgrade your roof with ISOGARD HD Grade-I for lasting strength and high thermal performance—add it to your project today.