Fiberglass Windows

Created from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a budget-friendly, low-maintenance alternative to wood replacement windows. They protect from warping in the heat and shield your home from winter weather, and are available in a selection of color types to match your home.

At Pella of Kalamazoo, we have discovered that Pella Impervia windows are a great choice for homeowners who want the stunning look of a painted wood window with the top-of-the-line reliability and notable energy efficiency that are inherent to a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows need very little maintenance, offering striking beauty and performance season after season.

Pella® Impervia® Series

  • Constructed 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

Take a closer look at fiberglass windows at your nearby Pella showroom or click below to schedule a no-cost, in-home consultation and discover the windows that best fit your style.



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