Gentek Building Products, Inc. manufactures and distributes building products and materials. The company offers insulated, vinyl, steel, and aluminum sidings, as well as shakes and scallops, and soffit and fascia systems; and vinyl replacement windows, special shape windows, patio doors, new construction windows, and insulated glass packages. It markets and sells its products through a network of supply centers and independent distributors in the United States. The company was incorporated in 1994 and is based in Cuyahoga Falls, Ohio. Gentek Building Products, Inc. operates as a subsidiary of Associated Materials, LLC.