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Fiberglass Windows

Made 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 Sheridan, we have learned that Pella Impervia windows are the right choice for homeowners who want the stunning look of a painted wood window with the top-notch dependability and excellent energy efficiency that are a part of a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows demand almost no maintenance, ensuring striking beauty and performance year after year.

Pella® Impervia® Series

  • Made from Duracast®—the strongest, most durable material available in windows
  • Impressive 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

Discover fiberglass windows at your nearby Pella of Sheridan showroom or get a free quote for your project today.