Crafted from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-effective, low-maintenance alternative to wood replacement windows. They protect from warping in the summer and defend against winter weather, and are available in a selection of color types to accompany your taste.
At Pella of Greenfield, we have found that Pella Impervia windows are the right choice for homeowners who want the warm look of a painted wood window with the top-of-the-line reliability and impressive energy efficiency that come with a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows need almost no maintenance, offering striking beauty and performance for years to come.