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Fiberglass Windows

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

At Pella of Santa Fe, 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 durability and impressive energy efficiency that are inherent to a fiberglass window. Supported by our industry-leading warranty, Pella Impervia replacement windows need very little maintenance, offering striking beauty and performance for years to come.

Pella® Impervia® Series

  • Created 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 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 closest Pella showroom or click below to book a free, in-home consultation and uncover the windows that meet the needs of your home.