Advantages of Fibrex

Fibrex® material is a better window framing material for several reasons

Consider everything you expect from a window. Fibrex material makes a difference in every instance. Measured across a range of conditions that affect efficiency, maintenance and beauty, Fibrex material performs well compared to wood, aluminum and fiberglass, and especially well against vinyl.

Fibrex® Material Other Materials
Strength Because Fibrex® material is strong, we can make our sash and frames narrower and that means more glass, more view. Vinyl frames are known to have a higher expansion/
contraction rate and can bow, breaking the glass seal.
Insulation Fibrex material has superior thermal insulating properties. Combined with Andersen® High-Performance™ Low-E4® glass, this helps your home stay warmer in winter and cooler in summer. You can save money on your energy bills. Your home feels more comfortable. Aluminum window frames conduct heat and cold. Heat leaks out of your house in the winter and into your house in the summer.
Low Maintenance

Fibrex material never needs scraping or painting. It won’t rot, decay or mold* Fiberglass frames are painted and may need regular maintenance.
Beauty Renewal by Andersen replacement windows preserve the architectural beauty of your home. Frame and sash design reflect the shape and lines of your original windows. The unique extruded Fibrex material can be made into any kind of window – including curved specialty windows. Most replacement windows have square profiles that may look artificial in your home. Vinyl frame material is often thicker, reducing glass area. Fiberglass can only be made into straight lineals.
Environmental Responsibility 40% of the raw material by weight used to make Fibrex material is clean, reclaimed wood fiber. Reclaimed materials in the manufacturing process can also be reground and reused. Renewal by Andersen® windows are ENERGY STAR® qualified for meeting strict energy efficiency criteria set by the U.S. Department of Energy. Fiberglass is a thermoset material and cannot be reformed into new profiles.
Warranty A window is not just glass and some framing material. It’s a precise combination of glass, frame and quality installation. We back it all with a 20/2/10 Limited Warranty* that is one of the best in the business. Installation is rarely covered in the written warranty.

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5 Reasons Why Andersen’s Exclusive Fibrex® Material is the Difference Maker

When you think of window material, you may think of vinyl or wood. And why not? They seem to be ubiquitous. But have you researched other material options? By sacrificing quality for an inexpensive solution, will you really save money in the end? It begs the question, what are you really getting for your money?

Renewal by Andersen® windows are made from Fibrex® material, an Andersen-exclusive composite that combines the strength and stability of wood with the low-maintenance features of vinyl. Designed for energy efficiency, durability, beauty, and minimal maintenance, our revolutionary composite material provides the best of both worlds. Here are 5 reasons why homeowners should be paying attention to Andersen’s exclusive Fibrex® material:

1. Fibrex® material is twice as strong as vinyl and its durable nature means it can stand up to even the most extreme temperature swings, maintaining its stability and rigidity in all climates.

2. The strength of this composite material means narrower frames; narrower frames mean more glass area—and more view! Just imagine the possibilities!

3. Our special extrusion process allows us to craft your windows to any shape, meaning you can match the architectural style of your home or choose to define a new look. In this same process, the color is fused into the material, offering you a wide palette of long-lasting colors to choose from—even dark exterior colors not found with most other replacement windows.

4. Our windows are warranted not to flake, rust, blister, peel, crack, pit, or corrode.1 And thanks to extensive testing, they’ve proven to stand the test of time and are as easy to operate after twenty years as the day they were installed.

5. The superior thermal insulating properties of windows made with Fibrex® material helps your home stay warmer in winter and cooler in summer, plus will help you save money on your energy bills.

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