Building Materials Business The Building Materials division handles construction materials such as asphalt shingle roofing and glass wool insulation. Products manufactured at overseas locations in the United States, South Korea, and China are supplied and sold in Japan through authorized domestic distributors. We are committed to improving our services through the development of new markets and authorized distributors, as well as customer support. Composite Solution Business The Composite Solutions Business division plays a central role as a development and production base for Owens Corning's global operations. In addition to domestic products and secondary processed goods produced at the Ibaraki factory, we focus on importing products from overseas factories, striving to provide high-quality products and solutions that meet the needs of customers in Japan.

Itochu Building Materials Corporation