Renewal by Andersen® of St. Louis is the exclusive home to Fibrex®—a revolutionary composite window material. Made from 40% reclaimed wood fiber and 60% proprietary polymer by weight, its intricate and innovative manufacturing process has earned us over 30 patents. First used in the 70s but perfected in the 90s, Fibrex has been (and still is) the closest to perfection when all materials on the market are considered.
To understand why Fibrex makes utopian replacement windows, let’s see how it fares in key areas:
Since nearly half of it is made from real wood, Fibrex delivers superior rigidity and stability. But unlike genuine lumber, its thermoplastic side allows it to repel moisture and resist rot and fungal growth. Compared with vinyl that expands and contracts a lot, Fibrex is 200% stronger.
Fibrex is one of the best insulators on the market. It complements our high-performance glass options, contributing to your home’s overall insulation and weathertightness significantly. To put things into perspective, it conducts heat about 700 times less than aluminum.
Its compound flows through our state-of-the-art extruder, giving us considerable latitude to create Fibrex in virtually any shape and permanently apply practically any color. This is why our windows company could offer up to 47 interior-exterior color combinations to match and enhance your existing décor.
The wood part of Fibrex comes from unusable pieces of Andersen windows. We never have to cut new trees to produce it. In fact, we’ve prevented the harvesting of nearly 90 million board feet of lumber since we first developed Fibrex.
Like our doors, our Fibrex-made windows are almost maintenance-free. They never need repainting or scraping, which you couldn’t always say about fiberglass units. It won’t decay or mold and guaranteed not to flake, blister, peel, crack, pit, corrode, or rust for 10 years from its original installation.
As the exclusive source of Fibrex in Chesterfield, Missouri, entrust your MO window replacement only to Renewal by Andersen of St. Louis. To see a Fibrex sample and witness its innovative design first-hand, call us now at (314) 332-2364 for your FREE, in-home estimate.