Polyiso Rigid Insulation Board 2.6″ 4′ x 8′ (R-15)

Elevate ISOGARD GL is a rigid polyiso roof insulation board with a closed-cell foam core and glass-reinforced mat facers on both sides for strong, consistent thermal performance. Sized 4′ x 8′ at 2.6″ thick, its designed for commercial roofing assemblies where durable, high-R insulation is required.

Key Features:

• High Thermal Performance: R-15 insulation value helps reduce heat transfer through roof assemblies
• Durable Glass Mat Facers: Glass-reinforced facers on both sides support jobsite handling and roof system performance
• Commercial Roofing Ready: Designed for flat (and family-matched tapered) roof insulation applications
• Multiple Attachment Options: Can be attached with hot asphalt, low-rise foam adhesive, or mechanically fastened (assembly-dependent)
• Ozone-Friendly Blowing Agent: HCFC-free (ODP-free) formulation per manufacturer description

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 8 ft and 2.6 in thick.

Q: What R-value does this insulation provide?
A: It is rated R-15.

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

Q: How can it be attached in a roofing assembly?
A: Common methods include hot asphalt, low-rise foam adhesive, or mechanical fastening (method depends on the roof system design and approvals).

A Quiet Layer of Performance, Tailored for the Roofline

Think of this as the architectural underlayer that makes everything above it feel more refinedcalmer, steadier, more controlled. The glass-mat facers give the board a composed, engineered finish, while the polyiso core delivers the kind of thermal confidence a building deserves. Pair it with a thoughtfully specified roof assembly to create a space that feels protected from extremes. Its the invisible essential that elevates comfort into something unmistakably luxurious.

Choose Elevate ISOGARD GL 2.6″ x 4′ x 8′ (R-15) to add high-performance, jobsite-tough roof insulation to your next build.