Japan Insulation Co. Ltd. engages in manufactures and sells fire-resistant and heat-insulating materials based on Xonotlite-type calcium silicate. It operates through the following segments: Construction-Related and Plant-Related. The Construction-Related segment manufactures and sells non-flammable building materials, as well as designs and constructs fireproof coatings for steel structures. The Plant-Related segment involves the manufacture and sale of heat-retaining and cold-insulating materials, as well as the design and construction of heat-retaining, cold-insulating, insulating, and fire-resistant construction works. The company was founded on April 8, 1914 and is headquartered in Osaka, Japan.