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The Many Qualities of Fibrex® Window Frame Material

At Renewal by Andersen® of Seattle, we take pride in offering replacement windows made with Fibrex®, an innovative composite material known for its undeniable strength and low maintenance qualities. Read further to learn more about this important component of our replacement windows, particularly its qualities and features.


The Many Qualities of the Fibrex Window Frame Material

Revolutionary Material

Fibrex is a material developed by Renewal by Andersen’s parent company, Andersen Corporation, as the top choice for window frames. In fact, the company has earned over 30 patents just for manufacturing the product. Fibrex is composed of 40% reclaimed wood fibers by weight and 60% proprietary thermoplastic polymer. This unique blend of materials gives it the same toughness as natural wood but with the low-maintenance qualities of vinyl.

The Ability to Withstand Weather

Window contractors offering Fibrex replacement windows swear by the superb properties of this material. For one, its composition gives it a high tolerance to expansion and contraction, even in the face of sudden temperature changes. Because of this, you can be sure your windows will retain their shape and appearance for many years to come without deforming, rotting, fading or denting.

Top-Notch Insulation

Another noteworthy quality of our Fibrex windows is their excellent thermal insulation. Indeed, our units can resist cold, heat and drafts. Combined with our high-performance low-E glass packages, our replacement windows will help make your interior warmer in the winter and cooler in the summer. This translates into better energy efficiency in your home so you can use your HVAC unit less and thus save on utility bills.

Fibrex windows could very well be the last window units you’ll ever need for your home. For your window replacement project, choose replacements with Fibrex window frames and enjoy the lasting benefits of this strong, elegant and functional product.

Renewal by Andersen of Seattle is your go-to source of replacement patio doors and windows in this area. Call us today at (206) 686-7733 to learn more about our offerings. You may also fill out our contact form for a free in-home consultation. We serve residents of Seattle, WA, and surrounding areas.

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"Our windows are beautiful, thank you so much!"

Jess | WA
November 30

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