Thermafiber, Inc. (an Owens Corning company), has been dedicated to improving life safety and fire protection by manufacturing mineral wool insulation for commercial, residential and industrial applications. Today, Thermafiber mineral wool resists fire and temperatures in excess of 2,000˚ F while also providing sound control and energy conservation.
Our mineral wool contains a minimum of 70% recycled content, and it’s non-combustible, inorganic and mold-resistant. Thermafiber is the #1 specified brand of commercial mineral wool.