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CertainTeed Roofing
0.5"-2.5" x 4' x 4' Tapered FlintBoard™ ISO-T
QXO product C-477429 · 1 options
Selected: CTR ISO TAP FLN BD Q PAN .5-2.5
QXO SKU 477429 · Product number CTRITFBQP52544
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PC
- Item Weight
- 3.8
- Algae Resistance
- No
- Applicable Standards
- ASTM C1289, Type II, Class 1, Grade 2 (20 psi) or Grade 3 (25 psi) Miami-Dade County Approved Florida Product Approved California State Insulation Quality Standards and Title 25, Foam Flammability Criteria IBC, BOCA, ICBO, and SBCCI Sections on Foam Insulation CCMC Meets CAN/CGSB-51.26-M86. Meets CAN/ULC-S770 and CAN/ULC-S704 FM Standard 4450/4470 Approval UL Standard 1256 Classification UL Standard 790 (ASTM E108) Classification UL Standard 263 Fire Resistance Classification (ASTM E119) UL Certified for Canada UL of Canada
About this product
FlintBoard® ISO-T Tapered Polyisocyanurate Roof Insulation is manufactured in a tapered profile to offer the combination of high thermal value plus promotion of proper roof drainage. FlintBoard ISO-T tapered polyiso roof insulation is specifically recommended for hot asphalt, coal tar BUR, modified bitumen and single-ply membrane roofing systems. FlintBoard ISO-T is offered in a variety of thicknesses, providing long-term thermal resistance (LTTR) values from 4.2 to 12.9. Higher LTTR values can be achieved with layers of flat FlintBoard ISO. FlintBoard ISO-T is a closed-cell, polyiso core integrally laminated to heavy, black (non-asphaltic), fiber-reinforced felt facers. FlintBoard ISO-T is also available in 25-psi formula.



