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CertainTeed Roofing
1" x 4' x 4' Grade-II (20 psi) Polyiso
QXO product C-330860 · 1 options
Selected: CTR 1.0" ISO 4X4 GRADE-II 20PSI
QXO SKU 330860 · Product number CTR1ISO4
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PC|SQ
- Item Weight
- 4.15
- Algae Resistance
- No
- Applicable Standards
- ASTM C1289, Type II, Class 1 International Building Code (IBC) Chapter 26 State of Florida Product Approved California Code of Regulations, Title 24 Approved Miami-Dade County Approved UL Standard 1256, 790, 263 CCMC 13460-L CAN/ULC-S126, CAN/ULC-S101, CAN/ULC-S107 CAN/ULC-S704 Type 2, Class 3 (20 psi) or Type 3, Class 3 (25 psi) Factory Mutual Approved (FM 4450, FM 4470)
About this product
FlintBoard® ISO Polyisocyanurate Roof Insulation features a closed-cell polyiso core integrally laminated to heavy, black (non-asphaltic), fiber-reinforced felt facers. FlintBoard ISO is approved for use under all major roof covering systems - built-up, modified bitumen, and single ply. FlintBoard ISO is offered in a variety of thicknesses, providing long-term thermal resistance (LTTR) values from 6.0 to 25.0. FlintBoard ISO is also available in 25-psi formula. FlintBoard ISO is the recommended roof insulation in conjunction with CertainTeed Commercial Roofing Systems including Flintlastic® Roof Systems.
