Quanex Building Products Corporation provides fenestration components in various regions worldwide through three segments: North American Fenestration, European Fenestration, and North American Cabinet Components. Its products include insulating glass spacers, vinyl profiles, screens, metal and wood products, and cabinet doors for OEMs in the building products industry. Founded in 1927 and based in Houston, Texas, the company also offers non-fenestration components such as solar panel sealants, vinyl decking, fencing, and water retention barriers.