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Carlisle SynTec
InsulBase® Grade-III (25 psi) Polyiso Insulation
QXO product C-250342 · 38 options
Selected: InsulBase® Grade-III (25 psi) Polyiso Insulation
QXO SKU 462610 · Product number CAR175ISOG3
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
- 12.2
- Thickness
- 1.75 in
- Algae Resistance
- No
- Applicable Standards
- ASTM C1289, Type II, Class 1, Grade 2 International Building Code (IBC) Section 2603 UL 790 UL 263 UL 1256 FM Standards 4450/4470: Class 1 Approval California Code of Regulations, Title 24 PIMA Quality Mark Approved CAN/ULC S704, Type 2 & 3, Class 3 Florida Building Code Approved CDPH Compliant UL Classified LEED
About this product
InsulBase is a rigid-roof insulation panel composed of a closed-cell polyisocyanurate foam core bonded on each side to glass-reinforced felt (GRF).



