Thermafiber, Inc. (Thermafiber) is a US based mineral wool manufacturing company. The company is principally engaged in producing mineral wool insulation products for various industries. Thermafiber is focused on developing products that control extreme temperatures, conserve energy and isolate noise. The products are considered green due to the fact that greater than 80% of the product is made from recycled blast furnace slag material. The company provides its product in three segments, which includes commercial construction, industrial or OEM markets and residential construction. Thermafiber products applications include interior and exterior walls, fireproofing of structural elements and fire stopping around pipes, refractory linings and sound enclosures. It is also supplying residential blankets for insulating side walls, floor and ceilings; and attic spaces in both site built and manufactured homes. The company has presence throughout the US and Canada and also serves its international customers through sales representatives. The company is headquartered in Wabash, Indiana, the US.
The company has alliances with CertainTeed Corporation, Armstrong World Industries and other strategic partners.