EnergyGuard™ NH Barrier Polyiso Roof Insulation board is made of coated glass-fiber bonded to a core of isocyanurate foam and achieves an ANSI UL 790 roof rating over combustible wood decks with a ½" board thickness without the use of halogenated flame retardants.
This product is Red List Free certified, holds both an Environmental Product Declaration (EPD) and a Health Product Declaration (HPD) making it your best choice for a sustainable building design.