Andersen Fibrex Windows Vs Vinyl Windows Comparison
What Are Fibrex Windows? Fibrex is Andersen’s patented PVC-wood composite material that it uses for a majority of its windows as a structural member. By weight, Fibrex is composed of 40-percent recycled Ponderosa pine wood fibers and 60-percent polyvinylchloride. Fibrex was initially developed to lower Andersen’s costs by reusing sawdust obtained from the production of its wood windows. One concern of exposed wood is rot. However, since each of Fibrex’s wood fibers is surrounded and coated with PVC, it rots at a far slower rate than pure wood....