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Carlisle SynTec
InsulBase® HD (80 psi) Polyiso Insulation
QXO product C-650777 · 2 options
Selected: InsulBase® HD (80 psi) Polyiso Insulation
QXO SKU 650777 · Product number CAR12SSISBHD48
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- Dimension
- 4 ft x 8 ft
- UOM
- SQ|PC
- Item Weight
- 10
- Algae Resistance
- No
- Applicable Standards
- ASTM C1289, Type II, Class 1, Grade 3 (25 psi min) International Building Code (IBC) Section 2603 UL Standard 790, 263 and 1256 FM Standards 4450/4470 California Code of Regulations, Title 24, Insulation Quality Standard License #TI-1418 Third-party certification with the PIMA Quality Mark CAN/ULC 5704, Type 2 & 3, Class 2
About this product
InsulBase HD is a rigid-roof insulation cover board composed of a high-density closed-cell polyisocyanurate foam core bonded on each side to glass-reinforced felt (GRF). Suitable for both re-roofing and new construction applications, InsulBase HD is specifically designed for use as a cover board in mechanically-attached single-ply systems only. InsulBaseHD delivers an R-value of 2.5 and a compressive strength of 80 psi.



