Maximize Quality: Use a Certified Installer
Using trained, experienced, and certified professionals helps vinyl siding look great and perform well for many years.
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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
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Your Home Deserves the Best
Learn the important benefits of using a VSI Certified Installer.
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Vinyl Siding Installation Manual
This manual sets forth the basic guidelines for vinyl siding installation.
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