CHOOSE QUALITY

Find VSI Certified Vinyl Siding Products

Through the VSI Product Certification Program, manufacturers can verify that their products meet or exceed the industry standards for performance and color retention.

Products undergo a series of rigorous tests and unannounced inspections by an independent, accredited quality control agency.

Vinyl siding certified through the VSI program is evaluated to ensure it complies with the ASTM D3679 standard for:

  • Weatherability, windload, and impact resistance
  • Expansion and shrinkage
  • Surface distortion
  • Length, width, and thickness
  • Color retention*

*Where applicable

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