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Fiberglass Windows

Created 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 hotter days and stand up to winter weather, and are carried in an array of color types to match your home.

At Pella of Victoria, 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-of-the-line reliability and impressive energy efficiency that are inherent to a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows require almost no maintenance, resulting in exceptional beauty and performance year after year.

Pella® Impervia® Series

  • Constructed from Duracast®—the strongest, most durable material available in windows
  • Impressive 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
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 uncover the windows that meet the needs of your style.