Mineral Wool Insulation
High-performance Insulation for High-performance Interiors
Owens Corning® Thermafiber® Mineral Wool is trusted by architects, engineers, and specifiers looking for the highest levels of protection and performance for interior spaces. Non-combustible Thermafiber® is an ideal choice for fire-rated wall, floor, and ceiling assemblies, and provides outstanding sound attenuation alongside its fire-safety profile.
Thermafiber® is available in formaldehyde-free formulations and offers exceptional R-values for superior thermal performance.