Made from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-effective, low-maintenance alternative to wood replacement windows. Available in a variety of colors, they defend against summertime warping and winter weather.
At Pella of Idaho, we have discovered that Pella Impervia windows are a great choice for homeowners who want the impressive look of a painted wood window with the top-notch dependability and notable energy efficiency that come with a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows need very little maintenance, offering exceptional beauty and performance for years to come.