Created 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 Danville, we have found that Pella Impervia windows are a fitting choice for homeowners who want the impressive look of a painted wood window with the top-of-the-line dependability and excellent energy efficiency that are a part of a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows demand little to no maintenance, ensuring striking beauty and performance for years to come.