Andersen developed a composite called Fibrex® material that is twice as strong as vinyl, performs better when exposed to extreme temperatures, and delivers exteriors that won’t rot, flake, blister, peel, crack, chip, or corrode* - so no need to scrape or paint!

Its exceptional strength allows a frame to be manufactured with narrower lines and more glass area, so you can enjoy windows with more viewing area and natural lighting.

Curious about how much windows made with Fibrex® material would cost for your home?

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You will be surprised how affordable windows made with Fibrex® material are!

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Andersen Corporation, including Renewal by Andersen earned the 2016 ENERGY STAR® Partner of the Year Award for their commitment to manufacturing energy-efficient products and educating consumers about them.

ENERGY STAR” is a registered trademark of the U.S. Environmental Protection Agency.

Key benefits of Fibrex® material:

  • No need to scrape or paint again and warranted not to rot, flake, blister, peel, crack, pit, or corrode.*

  • Twice as strong as vinyl, so weathertight seals stay weathertight.

  • Its durable nature means that it can stand up to even the most extreme temperature swings, maintaining its stability and rigidity in all climates.

  • Has superior thermal insulating properties.

  • Allows for narrower frames and more glass, bringing more light into your home.

  • Available in various color combinations.

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* See the Renewal by Andersen® 20/2/10 limited warranty for details.