Thermafiber UltraBatt mineral wool insulation is designed to provide excellent thermal insulation, fire protection and noise control in residential and light commercial building. The semi-rigid batts are more dense than traditional batts or rolls, and are quick and easy to install. UltraBatt insulation is noncombustible, moisture resistant, noncorrosive, nondeteriorating and mold resistant.

24.5 sq ft/bag