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Gentek partners with objective, third-party organizations that continuously test our products and verify that we meet the highest standards of performance, quality, value and safety.

VSI Insulated Siding logo

The Vinyl Siding Institute (VSI) sponsors independent, unbiased testing, inspection and certification of vinyl siding performance.  Gentek siding has been certified under a VSI program to meet or exceed the rigorous battery of tests known as ASTM D3679, the accepted standard for vinyl siding quality.

Thanks to this certification program, you can rest assured that, when installed according to our instructions, Gentek siding will meet or exceed industry standards for quality and performance.  You can also be confident that your siding will maintain a uniform color over time, lay straight on a flat wall and withstand the effects of normal seasonal temperature fluctuations.

The U.S. Green Building Council (USGBC) is a non-profit organization committed to a prosperous and sustainable future for our nation through cost-efficient and energy-saving green buildings.

USGBC and related logo is a trademark owned by the U.S. Green Building Council and is used by permission.
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