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Carlisle SynTec
InsulBase® Tapered Grade-III (25 psi) Polyiso Insulation
QXO product C-031024 · 21 options
Selected: InsulBase® Tapered Grade-III (25 psi) Polyiso Insulation
QXO SKU 491440 · Product number CARTX25
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- Dimension
- 4 ft x 4 ft
- UOM
- PC
- Item Weight
- 1
- Algae Resistance
- No
- Applicable Standards
- ASTM C1289-11, Type II, Class 2 International Building Code (IBC) Chapter 26 Florida Building Code Approved Miami-Dade County Approved UL 1256 UL 790 UL 263 FM 4450 FM 4470 FM 1-60 FM 1-270 Energy Star LEED PIMA Quality Mark Approved Sustainable Building Industry Council
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).



