Elevate ISOGARD GL Polyiso Roof Insulation Board (2 in., 4 ft. x 4 ft.)

Elevate ISOGARD GL is a rigid polyiso roof insulation board with glass-reinforced mat facers on both sides for durable commercial roofing performance. Its closed-cell foam core delivers strong thermal resistance (R-11.4) in a compact 4 ft. x 4 ft. sheet.

Key Features:

• High Thermal Performance: R-11.4 polyiso core helps reduce heat transfer through the roof assembly.
• Durable Dual Facers: Glass-reinforced mat facer on both sides supports jobsite toughness and secure attachment.
• Commercial Roofing Ready: Designed for flat (and tapered systems) to support thermal performance in roof applications.
• Flexible Attachment Options: Can be installed with hot asphalt, low-rise foam adhesive, or mechanical fastening (per assembly requirements).
• Ozone-Depletion Free Blowing Agent: Uses HCFC-free blowing agent that is ODP-free (does not deplete the ozone layer).

Please check the Product Data Sheet Here

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What are the board dimensions and thickness?
A: Each sheet is 4 ft. x 4 ft. and 2 inches thick.

Q: What R-value does this insulation provide?
A: It is listed as R-11.4.

Q: What is the facing material?
A: It has a glass-reinforced mat facer on both major surfaces.

Q: How can it be attached/installed?
A: It may be attached with hot asphalt, low-rise foam adhesive, or mechanically fastened with appropriate roofing fasteners/plates (per the roof assembly specs).

Q: Is the blowing agent ozone-depleting?
A: Noit’s described as HCFC-free and ODP-free (does not contribute to ozone depletion).

A Crisp, Architectural Layer of Comfort

Theres something quietly luxurious about a surface that performs beautifully while staying visually restrainedISOGARD GL does exactly that. The clean, glass-mat facer feels tailored and architectural, bringing a refined discipline to the roofline. Use it to build a smarter envelope where comfort reads as calm, not complication. Its the kind of behind-the-scenes essential that makes the entire space feel more elevated.

Upgrade your roof assembly with Elevate ISOGARD GL for high-performance insulation in a durable, easy-to-handle 4′ x 4′ sheet.