Created from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-friendly, low-maintenance alternative to wood replacement windows. They prevent warping in the heat and defend against winter weather, and are carried in a selection of color choices to match your home’s design.
At Pella of Birmingham, we have discovered that Pella Impervia windows are a fitting choice for homeowners who want the impressive look of a painted wood window with the top-notch dependability and excellent energy efficiency that are a part of a fiberglass window. Supported by our industry-leading warranty, Pella Impervia replacement windows require very little maintenance, resulting in remarkable beauty and performance year after year.