Mineral wool insulation, also referred to as rock wool, is composed of inorganic fibers derived from basalt, a volcanic rock, and is enhanced with glass fibers. Mineral wool commercial insulation typically comes in easy-to-install batts much like fiberglass. Mineral wool is hydrophobic and helps prevent against rot, corrosion, mildew, and more. This insulation is highly fire-resistant and can be used for firestop purposes. Distribution International is a mineral wool insulation distributor providing insulation from top brands with fabrication sites across North America. Our facilities can create custom mineral wool insulation products to fit any pipe, elbow, or fitting. Browse our selection of mineral wool batt insulation below!