ISO 3™ Foil Face
ISO 3™ Foil Face is a rigid roof insulation board composed of a closed cell polyisocyanurate foam core bonded in the foaming process to a tri-lam foil facer on both sides. ISO 3 Foil Face meets the physical requirements of ASTM C 1289, Type I, Class 1 and Federal Specifications HH-I-1972/Gen and HH-I-1972/2.
