Our formula for success is based on customer service and National Gypsums quest to provide products meeting its customers highest standards. To do this, the company has created the most advanced customer service organization in the industry, updated plants and built modern manufacturing facilities, applied advanced technology to improve product quality, and put increased emphasis on innovation.
Roxul Inc. is part of Rockwool International, the world's largest producer of mineral wool insulation with 23 facilities in 14 countries.
Thermafiber manufactures and customizes mineral wool insulation for commercial buildings, industrial applications and residential construction. Our products contain up to 90% recycled content, conserve energy, provide life saving fire protection and contribute to 33 LEED® credits across 4 categories.