Fiberglass Windows

Made from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-friendly, low-maintenance alternative to wood replacement windows. They resist warping in the summer and defend against winter weather, and are offered in a selection of color choices to match your home.

At Pella of Minneapolis, we have learned 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 reliability and excellent energy efficiency that are inherent to a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows require almost no maintenance, ensuring remarkable beauty and performance season after season.

Pella® Impervia® Series

  • Made from Duracast®—the strongest, most durable material you can have in windows
  • Excellent 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

Look into fiberglass windows at your closest Pella showroom or click below to book a complimentary, in-home consultation and uncover the windows that are right for your style.



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