Thermafiber, Inc. (an Owens Corning Company), was founded in 1934 and is headquartered in Wabash, Ind., USA. Thermafiber has been dedicated to improving life safety and fire protection by manufacturing mineral wool insulation for commercial, residential and industrial applications. Thermafiber mineral wool is used for fire protection in perimeter fire barrier systems, construction joints and around penetrations in fire-rated walls/floors. Thermafiber mineral wool products also provide sound control and energy conservation.