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WeatherBond
B (1.5" to 2") Tapered Grade-II (20 psi) Polyiso Insulation
QXO product C-455110 · 1 options
Selected: B (1.5" to 2") Tapered Grade-II (20 psi) Polyiso Insulation
QXO SKU 455110 · Product number WBDTB
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- PC
- Item Weight
- 6.22
- Algae Resistance
- No
- Applicable Standards
- ASTM C1289-06, Type II, Class 1, Grade 2 (20 psi), Grade 3 (25 psi) International Building Code (IBC) Section 2603 UL Classified
About this product
A sloped rigid roof insulation panel composed of a closed-cell polyisocyanurate foam core bonded to either high-performance coated glass (CGF) or glass-reinforced felt (GRF) facers. Designed to promote positive drainage and prevent ponding water.



