Fraud Blocker Fibrex® Window Material: Tough and Energy Efficient | Renewal by Andersen of Kansas City
Schedule YourConsultation

Fibrex® Window Material: Tough and Energy Efficient

One of Renewal by Andersen®’s most innovative ideas was the Fibrex® material. Thanks to this component, windows have never been better in terms of durability and energy efficiency. Read on to learn more about Fibrax, how it came to be and how it makes replacement windows strong and energy-efficient.

Fibrex® Window Material: Tough and Energy Efficient
Fibrex® Window Material: Tough and Energy Efficient

A Brief History

Andersen Corporation, Renewal by Andersen’s parent company, has been at the forefront for many years of introducing new technologies and methods that make windows and doors last longer, look better and function for a long time. Since the 1950’s, extensive research and development helped lay the groundwork for Fibrex to be the top material for energy-efficient and high-performance windows.

It all started in 1959 when the company developed the first hollow vinyl window in the U.S. While it didn’t have the structural integrity necessary, this helped the company push its efforts toward finding the best window material. In the 1960’s and 70’s, wood became the main focus, Andersen was able to engineer it to be stronger than the traditional windows.

About Fibrex

By the time 1990’s came, the company had perfected composite window technology, patenting what is now Fibrex. Since then, its subset company, Renewal by Andersen, became the exclusive window company to offer this advanced material.

The revolutionary composite material is composed of 40% reclaimed wood fibers by weight and 60% liquefied polymer. These two are combined through a process that creates a new material that is twice as strong and durable as vinyl and traditional wood. Because they don’t require much maintenance, windows made with Fibrex can outlast any other window material on the market.

Given the durability of Fibrex, these windows help increase the home’s energy efficiency. Fibrex has excellent insulating properties that keep the indoors as comfortable as possible while minimizing the use of heating or cooling systems. It is also rigid enough not to expand or contract during harsh weather, giving windows their long-lasting beauty.

Homeowners all over the U.S. have recognized Fibrex as the latest innovation in replacement window technology. You can turn to Renewal by Andersen® of Kansas City for the top-notch choices of Fibrex windows, including sliding, double-hung and casement windows.

Call us at (913) 956-0887 to learn more about our window offerings. You may also fill out our contact form for a free estimate. We serve residents of Kansas City, MO, and nearby areas.

Recent Posts




"I highly recommend Renewal by Andersen. I am extremely impressed with their ability to take care of any issues I have. The product is superb and is the first thing everyone notices when they come to my home."

April, 7

View All Reviews