DuroSpan® GPS R7.5 Insulation Board is a higher R-value product with an R-value of 4.7 per inch manufactured with NEOPOR – a graphite enhanced polystyrene. GPS is a closed cell insulation with a silver-gray colour that meets or exceeds requirements for expanded polystyrene (EPS) manufactured to CAN ULC S701.1.

DuroSpan GPS R7.5 is manufactured to meet code requirements, with a thin film laminated to both sides for a more durable, flexible product. This easy to cut and install insulation has Low GWP, maintain a permanent R-value for the life of the product, and is part of an air barrier system. DuroSpan GPS R7.5 demonstrates code compliance for Intertek CCRR-1033.

DuroSpan GPS R7.5 is an excellent choice for insulating applications with low water absorption properties, and has a compressive resistance of 10 psi. Markings provided on the printed face of DuroSpan GPS R7.5 insulation assist in cutting to required dimensions and spacing of fasteners into framing.

Available in: 4x8, 4x9 and 4x10 feet sizes, 2 feet high bundles

DuroSpan GPS is manufactured in thicknesses of 1-1/16 – R5, 1-5/8 – R7.5, and 2-1/8 – R10, as well as other R-values available upon request.