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Fiberglass Windows

Made from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-effective, low-maintenance alternative to wood replacement windows. They resist warping in the heat and stand up to winter weather, and are offered in a selection of color choices to match your taste.

At Pella of Sheridan, we have found that Pella Impervia windows are a fitting choice for homeowners who want the stunning look of a painted wood window with the top-notch dependability and impressive energy efficiency that come with a fiberglass window. Supported by our industry-leading warranty, Pella Impervia replacement windows demand almost no maintenance, resulting in exceptional beauty and performance season after season.

Pella® Impervia® Series

  • Created from Duracast®—the strongest, most durable material you can have in windows
  • Impressive performance
  • The stunning look of a painted wood window
  • ENERGY STAR®-rated options help conserve energy
Available Styles
  • Awning
  • Casement
  • Double-Hung
  • Single-Hung
  • Sliding
  • Basement
  • Bay and Bow
Beautiful custom home features Pella fiberglass windows

Discover fiberglass windows at your local Pella showroom or click below to book a no-cost, in-home consultation and discover the windows that best fit your home.