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 INSTALLERHome › Why Vinyl Siding › CERTIFIED PRODUCTS
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Find VSI Certified Siding Products
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:
- Weatherability, wind load, and impact resistance
- Expansion and shrinkage
- Surface distortion
- Length, width, and thickness
- Rate of burn
- Lead
Certified insulated vinyl siding is evaluated to ensure it complies with the ASTM D7793 product standard for:
- Weatherability, wind load, and impact resistance
- Expansion and shrinkage
- Thermal distortion
- Length, width, and thickness
- Rate of burn
- Lead
- Surface flame spread
- Compatibility of adhesives
- Thermal insulation value
Certified polypropylene siding is evaluated to ensure it complies with the ASTM D7254 product standard for:
- Weatherability, wind load, and impact resistance
- Surface flame spread
- Color
- Film adhesion
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.
Literature
Your Home Deserves the Best
Learn the important benefits of using a VSI Certified Installer.
Read MoreFeatured Resources
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.
Brochure
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.
Read MoreLiterature
Vinyl Siding Installation Manual
Basic guidelines for vinyl siding installation. (Spanish version and French version also available)
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