Mineral Wool Insulation - 3" x 15 1/4" x 47"

These stone wool batts are sized for 2x4 wood studs at 16" on center, measuring 3" x 15.25" x 47" for a precise fit in common wall cavities. The dense mineral fiber supports sound control and fire performance in interior stud walls and partitions. Batts ship in a compressed rectangular bundle for easier transport and storage, with 12 pieces per pack to streamline planning. Stone wool is easy to handle and resists water absorption, helping keep installs tidy in renovations and new builds. Packaging includes clear wood-stud application notes and EN/FR/ES labeling.