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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. Available in a collection of colors, they protect against summertime warping and winter weather.

At Pella of Danville, we have found that Pella Impervia windows are a fitting choice for homeowners who want the impressive look of a painted wood window with the top-of-the-line dependability and excellent energy efficiency that are a part of a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows demand little to no maintenance, ensuring striking beauty and performance for years to come.

Pella® Impervia® Series

  • Made from Duracast®—the strongest, most durable material available in windows
  • Impressive performance
  • The quality 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
Beautiful custom home features Pella fiberglass windows

Take a closer look at fiberglass windows at your local Pella of Danville showroom or get a free quote for your project now.