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Built to Last: Our Window Durability Study

When it’s time to do away with your old window units, be sure to select replacements that are capable of performing well for many years to come. Integral to this is your choice of framing material. While options such as wood and vinyl are available in the market, you might consider looking for other alternatives.

Built to Last: Our Window Durability Study

At Renewal by Andersen® of Long Island, our replacement windows are equipped with Fibrex® composite material. This, along with the other window components, helps our units stand the test of time. Read on to learn more.

Features of Fibrex®

Fibrex is Renewal by Andersen®’s exclusive material that combines the strength and insulating properties of wood and the low maintenance qualities of vinyl. The material doesn’t crack, corrode, pit, chip or suffer from any form of damage. It also doesn’t warp even when exposed to sudden changes in extreme temperatures.

These qualities give our Fibrex windows lasting performance and outstanding protection against the harsh elements. We put them to the test to make sure of it.

Results of Our Window Durability Study

The objective of the study was to see if our Fibrex replacement windows still display their qualities after 20 years. We removed ten double-hung window units from a client’s home in Minnesota, a state notable for its harsh winters and humid summers. On-site tests were conducted, together with extensive laboratory work.

The results of the window durability study provided us great insight to our products’ capabilities. Even after 20 years of exposure to Minnesota weather, the window units still operate and look as good as they did when they were first installed. Also, the frames did display have noticeable damage. The test proved once and for all that Fibrex windows stand the test of time and are built to last.

For your window needs, turn to Renewal by Andersen of Long Island. We offer industry-leading warranties and top-notch installations to go with your choice of double-hung windows or any of our available window styles. Call (631) 206-6773 or fill out our contact form to schedule a free, in-home consultation. We serve Long Island and nearby areas.


"I was very impressed with Renewal by Andersen. They showed up in time and we received several follow up phone calls as the installation was being done as well as the sales representative stopping by to check in on the installation. The delivery/ installer was very professional. I would highly recommend Renewal By Andersen."

February, 18

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