Maximize Quality: Use a Certified Installer
Using trained, experienced, and certified professionals helps vinyl siding look great and perform well for many years.FIND A CERTIFIED INSTALLER
The VSI Product Certification Program is an independent, third-party certification program with an ISO/IEC 17065 accredited certification body in place.
Products undergo a series of rigorous tests and unannounced inspections by an independent, accredited quality agency. In addition, quality control procedures at each plant facility are continually reviewed for accuracy to ensure consistent production of certified profiles.
Certified vinyl siding is evaluated to ensure it complies with the ASTM D3679 product standard for:
Certified insulated vinyl siding is evaluated to ensure it complies with the ASTM D7793 product standard for:
Certified polypropylene siding is evaluated to ensure it complies with the ASTM D7254 product standard for:
Certified products are authorized to utilize the Program’s certification mark. The mark represents that a manufacturer is producing a product that is a faithful representation of the tested and certified product in design, construction and fabrication.