Fiberglass Windows

Made from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-effective, low-maintenance alternative to wood replacement windows. They protect from warping in the summer and defend against winter weather, and are available in a selection of color choices to accompany your taste.

At Pella of South Burlington, we have discovered that Pella Impervia windows are a fitting choice for homeowners who want the stunning look of a painted wood window with the top-notch durability and notable energy efficiency that come with a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows need almost no maintenance, offering striking beauty and performance season after season.

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 conserve energy
Available Styles
  • Awning
  • Casement
  • Double-Hung
  • Single-Hung
  • Sliding
  • Basement
  • Bay and Bow

Look into fiberglass windows at your local Pella showroom or click below to book a free, in-home consultation and find the windows that meet the needs of your budget.



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