Fiberglass Windows

Made from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a budget-friendly, low-maintenance alternative to wood replacement windows. They prevent warping in the summer and defend against winter weather, and are available in a selection of color types to match your taste.

At Pella of Peoria, we have found that Pella Impervia windows are a great choice for homeowners who want the warm look of a painted wood window with the superior dependability and excellent energy efficiency that are inherent to a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows require very little maintenance, resulting in striking beauty and performance year after year.

Pella® Impervia® Series

  • Constructed from Duracast®—the strongest, most durable material you can get in windows
  • Excellent performance
  • The stunning look of a painted wood window
  • ENERGY STAR®-rated options save energy
Available Styles
  • Awning
  • Casement
  • Double-Hung
  • Single-Hung
  • Sliding
  • Basement
  • Bay and Bow

Take a closer look at fiberglass windows at your local Pella showroom or click below to book a complimentary, in-home consultation and uncover the windows that best fit your home.



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