Owens Corning Thermafiber R- Wall Unfaced Mineral wool Batt Insulation 48.90-sq ft ( 15-in W x 47-in L)

Mineral wool batt can be installed within interior 2x4 wall

Easy to cut and install, even around construction irregularities

Sound control, fire resistant and mold resistant

Fire resistant to temperatures above 2,000F

Minimum 70% recycled content

Unfaced Insulation: does not have a vapor retarder

Flexible Insulation is easy to cut and install, allowing it to conform to building shapes and construction irregularities

Thermafiber® Fire and Sound Guard™ mineral wool insulation batts are designed to provide exceptional acoustic control and fire protection in interior walls

Installation Steps: Measure and cut Insulation, Squeeze and insert Insulation into desired space, Release and let product expand within the wall