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Fiberglass Windows

Created 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 defend against winter weather, and are available in a variety of color types to complement your taste.

At Pella of Vancouver, we have discovered that Pella Impervia windows are the right choice for homeowners who want the warm look of a painted wood window with the top-notch durability and notable energy efficiency that are inherent to a fiberglass window. Supported by our industry-leading warranty, Pella Impervia replacement windows need little to no maintenance, ensuring striking beauty and performance for years to come.

Pella® Impervia® Series

  • Created 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
Beautiful custom home features Pella fiberglass windows

Take a closer look at fiberglass windows at your nearby Pella showroom or click below to schedule a no-cost, in-home consultation and discover the windows that best fit your home.