Knauf Insulation is one of the leading United States manufacturers of thermal and acoustical fiberglass insulations for residential, commercial, industrial, marine, original equipment manufacturer and metal building applications. The company also owns a subsidiary, Knauf USA Polystyrene. Knauf Insulation s products include building insulation, batts and specialty products, duct board, duct liner, duct wrap, rigid plenum liner, blanket insulation and uncured blanket products. Knauf Insulation s products are sold in the U.S., Canada and Mexico and are exported to nations in Latin America, South America, Africa and the Middle East. Products are distributed in the U.S. and Canada through independent insulation distributors and retail building materials outlets. Knauf Insulation is headquartered in Shelbyville, Ind.