WALL INSULATION BOARDS WITH NON-HALOGENATED FIRE RETARDANT AND INSULATED WALL SYSTEMS

摘要

According to one embodiment, a halogen free wall system is described. The wall system includes wall studs that are coupled together to form a frame and polyisocyanurate insulation boards that are positioned on an exterior side of the frame to form an exterior wall. The polyisocyanurate foam boards include a polyisocyanurate core having a halogen free fire retardant. Wall boards are attached to an interior side of the frame to form an interior wall. The wall boards are free of a halogenated fire retardant. The wall studs, polyisocyanurate foam boards, and wall board define a plurality of wall cavities within which an insulation material is positioned. The insulation material is free of a halogenated fire retardant.