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SOPREMA SOPRA-ISO Polyisocyanurate Roof Insulation Panel, Tan, Multiple Sizes
Regular price $31.25Orders start at $399 — combine any items to reach the minimum. Learn more
SOPREMA SOPRA-ISO Polyisocyanurate Roof Insulation Panel, Tan, Multiple Sizes
SOPREMA SOPRA-ISO is a rigid polyisocyanurate thermal insulation panel for use in approved multi-ply membrane and flashing assemblies. Each panel is closed-cell polyiso foam bonded to fiber reinforced/organic mat facers on both faces, in tan. Thirteen sizes and thicknesses are available from 1 in. to 3.5 in., in 4 ft x 4 ft and 4 ft x 8 ft boards; one order unit is one panel unless noted.
Key Features:
- Rigid polyiso foam: Closed-cell polyisocyanurate foam core provides thermal insulation.
- Faced both sides: Fiber reinforced/organic mat facers are bonded to the top and underside.
- Energy efficient: Improves the energy efficiency of the roof assembly.
- Lower carbon: Helps reduce the carbon footprint of buildings.
- Membrane substrate: Provides a suitable substrate for the coverboard and roof membrane.
- Board and tapered: Available in both board stock and tapered panels.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | SOPREMA |
| Sell unit | 1 panel |
| Product line | SOPREMA SOPRA-ISO |
| Available colors | Tan |
| Available sizes | 13: 1 in. x 4 ft x 4 ft, 1 in. x 4 ft x 8 ft, 1.5 in. x 4 ft x 4 ft, 1.5 in. x 4 ft x 8 ft, 2 in. x 4 ft x 4 ft, 2 in. x 4 ft x 8 ft, 2 in. x 4 ft x 4 ft 25 psi, 2.2 in. x 4 ft x 4 ft, 2.25 in. x 4 ft x 8 ft 25 psi, 2.5 in. x 4 ft x 4 ft, 2.5 in. x 4 ft x 8 ft, 2.6 in. x 4 ft x 4 ft, 3.5 in. x 4 ft x 4 ft |
| Material | Rigid closed-cell polyisocyanurate foam with fiber reinforced/organic mat facers |
| Finish / texture | Tan facers |
| Dimensions | Thicknesses 1 in. to 3.5 in.; board sizes 4 ft x 4 ft and 4 ft x 8 ft |
| Compressive strength options | Standard and 25 psi variants (2 in. and 2.25 in.) |
| Intended use | Thermal insulation for approved multi-ply membrane and flashing assemblies; substrate for coverboard/roof membrane |
| Product types | Board stock and tapered panels |
Coverage & How Much You Need:
One 4 ft x 8 ft panel covers 32 sq ft and one 4 ft x 4 ft panel covers 16 sq ft of roof area before laps or cuts. Calculate board count from gross roof area, then add waste for cuts, perimeter fits, and tapered transitions.
Fit and Compatibility:
For use in approved SOPREMA multi-ply membrane and flashing assemblies as thermal insulation under coverboard and membrane. Membrane, coverboard, adhesives, and fasteners are sold separately; verify assembly approval with the system specification.
Frequently Asked Questions (FAQ):
Q: What sizes are available?
A: Thirteen variants from 1 in. to 3.5 in. thick, in 4 ft x 4 ft and 4 ft x 8 ft boards, including two 25 psi high-compressive-strength options.
Q: What facers does it have?
A: Fiber reinforced/organic mat facers bonded to the top and underside of the closed-cell polyiso foam.
Q: What does one panel cover?
A: A 4 ft x 8 ft board covers 32 sq ft; a 4 ft x 4 ft board covers 16 sq ft, before cutting waste.
Q: Can it be used under any membrane?
A: It is intended for approved multi-ply membrane and flashing assemblies; confirm the specific system is approved by the manufacturer.
Q: Are tapered panels available?
A: Yes, the product is available in both board stock and tapered panels; this page lists flat board sizes.
Q: What is the 25 psi option?
A: Two variants (2 in. x 4 ft x 4 ft and 2.25 in. x 4 ft x 8 ft) are offered in a 25 psi version for higher load applications.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Match panel thickness to your target R-value and confirm compressive strength against expected roof traffic and equipment loads; step up to the 25 psi variants under heavier loads. Stagger board joints between layers to limit thermal bridging. Always check that the full assembly, insulation plus membrane, is manufacturer-approved.
Polyiso boards are lightweight but fragile at corners; store flat and off the ground, and follow roof safety and fall-protection practices during installation.
Build a high-efficiency roof assembly with SOPREMA SOPRA-ISO polyiso insulation in the thickness and footprint your project needs.
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