This site is constantly being updated to provide you with the most up-to-date, comprehensive resources for vinyl siding and exterior cladding information you’ll find anywhere. The search box above can be used to help you locate a specific fact about vinyl siding.
Before you contact VSI, be sure to check our list of "Frequently Asked Questions" for information commonly requested from VSI staff.
Please note: VSI is the trade association for manufacturers of vinyl and other polymeric siding and suppliers to the industry. VSI staff can not provide information beyond what is posted on our website.
Vinyl Siding Institute
National Housing Center
1201 15th Street NW
Washington, DC 20005