VSI Certified Installers

Make the Difference

Improper installation of vinyl siding can cause poor product performance, lead to customer dissatisfaction, and even void manufacturer warranties. Trained, experienced, and certified professionals help to ensure that installed home siding looks great and performs well for many years.

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VSI Certified Products

Ensure Lasting Quality

VSI Certified Products undergo a series of rigorous tests and unannounced inspections by an independent, accredited quality control agency to ensure that they meet or exceed industry standards for performance and color retention. More than 98 percent of vinyl siding manufactured in the United States each year — covering more than 750 products and more than 400 colors — is certified through the VSI Product Certification Program.

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