CertainTeed CertaPro 300 Plain Board, 1 1/2x24x48

CertaPro Commercial Board is used where board stiffness properties are required and also functions as an exterior insulation when covered with a weather barrier. Commercial Board is used in exterior curtain walls, interior walls and floor/ceiling assemblies, and as an exterior insulation on HVAC ducts and plenums or in constructions where framing is not present. It is also used as thermal insulation on tanks and vessels.