Westlake’s exteriors and pipe and fittings businesses make some of the world’s most prevalent items, including residential siding, pipe and fittings for various water, sewer and industrial applications; profiles for windows and doors; fence and decking; along with films for various inflatables, wallcovering, tapes and roofing applications. Our products are sold and marketed under the trade names DaVinci Roofscapes, NAPCO Pipe & Fittings, Royal Building Products and Westech Building Products.

In North America, our polyvinyl chloride (PVC) resin is utilized by several Westlake companies. Westlake’s exteriors and pipe and… Read More
Westlake engineers and manufactures rigid and flexible vinyl compounds. Our rigid vinyl compounds are used in a wide range of… Read More