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Fiberglass Windows

Made from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a budget-friendly, low-maintenance alternative to wood replacement windows. Available in a collection of colors, they defend against summertime warping and winter weather.

At Pella of Decatur, we have discovered that Pella Impervia windows are a great choice for homeowners who want the impressive look of a painted wood window with the superior reliability and notable energy efficiency that come with a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows demand very little maintenance, resulting in exceptional beauty and performance year after year.

Pella® Impervia® Series

  • Constructed from Duracast®—the strongest, most durable material you can get in windows
  • Exceptional performance
  • The high-end 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 closest Pella of Decatur showroom or get a free quote for your project today.