Made from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-effective, low-maintenance alternative to wood replacement windows. Available in a collection of colors, they protect against summertime warping and winter weather.
At Pella of Sheridan, we have learned that Pella Impervia windows are the right choice for homeowners who want the stunning look of a painted wood window with the top-notch dependability and excellent energy efficiency that are a part of a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows demand almost no maintenance, ensuring striking beauty and performance year after year.