Products / Carlisle InsulBase NH Polyiso Insulation

InsulBase NH is a rigid roof insulation panel with a closed-cell polyisocyanurate core bonded on each side to glass-reinforced felt, made with zero halogenated flame retardants and carrying a Living Building Challenge Red List Free Declare label. Panels come 4' x 4' and 4' x 8' from 1/2 in. to 4.5 in. thick. The data sheet lists ASTM C1289 Type II Class 1 (Grade 2 and Grade 3), IBC Section 2603, UL 790/263/1256 as a component of Class A roof systems, FM 4450/4470 Class 1 and the PIMA Quality Mark for LTTR and CAN/ULC S704.