Founded in 1943, Rock Wool Manufacturing Company manufactures mineral wool boards and insulating cements. The company specializes in high-temperature pipe insulation fabrication products. It offers a range of commercial building insulation products. Rock Wool Manufacturing Company provides DELTA METAL MESH Blankets, Deck Plugs, Safing Board and Pipe Insulation products to serves various industries. The company s DELTA METAL MESH Blankets are manufactured by felted mineral wool and are utilized for a range of high-temperature applications. Located in Leeds, Ala., the company utilizes the advanced technological solutions to fabricate its DELTA Pipe Insulations. Rock Wool provides products for the industrial, commercial, marine and pipe insulation applications.