Fiberglass Windows

Created from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-effective, low-maintenance alternative to wood replacement windows. They prevent warping in the hotter days and stand up to winter weather, and are offered in a selection of color options to accompany your taste.

At Pella of Monroe, we have learned that Pella Impervia windows are a fitting choice for homeowners who want the warm look of a painted wood window with the top-notch dependability and impressive 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 you can get in windows
  • Excellent 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

Discover fiberglass windows at your closest Pella showroom or click below to schedule a free, in-home consultation and find the windows that are right for your home.



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