In North America, our polyvinyl chloride (PVC) resin is utilized by several Westlake companies. Westlake’s building products businesses make some of the world’s most prevalent items, including residential siding, trim and molding; 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 NAPCO Pipe & Fittings, LASCO Fittings, DimexRoyal Building Products  and DaVinci Roofscapes.  Recently, Westlake acquired Boral North America's building products business including:  stone, roofing, windows, siding and trim.  

In China, through Suzhou Huasu Plastics Company JV, we manufacture a wide range of products including PVC resin and a variety of film products.  These film products are used in wallpaper, pool liners, inflatable products, automotive, stationery, insulation tapes, medical care, labels and graphics.