Westlake vinyl resin products are the key ingredients to making some of the world’s most prevalent items, including: residential siding, pipe and fittings for various water, sewer and industrial applications, PVC profiles for windows, doors, fence, and decking along with films for various inflatables, wallcovering, tapes and roofing applications.   The principal products in our integrated Vinyls segment include PVC, VCM, EDC, Chlorine, Caustic Soda and Ethylene.  

We supply PVC resin to North American Pipe Corporation (NAPCO) that manufactures PVC pipes and fittings, Westech Building Products which fabricates rigid profiles for residential construction including decking, railing and fencing as well as for windows and patio doors, and Royal Building Products that manufactures and distributes leading materials for the home remodeling, building and municipal construction markets. 

The acquisition of Vinnolit, our European operations, expanded our portfolio to add important specialty PVC resin products and technologies.

Learn more about Westlake’s vinyls business segment by using the menu to the left. 


Customer Service

Customer Service and Distribution for PVC and Chlor-Alkali Products

The Westlake Customer Service and Distribution Department is located in Calvert City, Kentucky. Our skilled and experienced Staff is available to handle orders, order inquiries and to assist in providing technical service.

Customer Service is available 24/7.

Phone 1-800-321-8550 for direct contact with a representative. 

Normal business hours are from 7:30 AM through 4:00 PM CST, Monday thru Friday

For afterhours service including emergencies, please call the same number and following the emergency request instructions.

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