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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The newest, best and most relevant information on vinyl siding products and performance. See our top picks below, or filter by type to find the resources you need now.
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Certified Insulated Siding — Quality and Comfort You Can Count On
Homes clad with certified insulated siding are assured that its continuous insulation will help prevent heat from escaping in winter and entering in summer through the exterior walls’ framing studs.
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Polypropylene Siding — Certified for Performance
Like vinyl siding, polypropylene is another polymeric siding with its own unique quality standard and performance requirements. Learn more about how it’s certified with independent, third-party verification.
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Vinyl Siding Installation Manual
This manual sets forth the basic guidelines for vinyl siding installation. (Spanish version also available)
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