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Fiberglass Windows

Created from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a budget-friendly, low-maintenance alternative to wood replacement windows. They prevent warping in the hotter days and defend against winter weather, and are available in a variety of color types to accompany your taste.

At Pella of Kelowna, we have found that Pella Impervia windows are a great choice for homeowners who want the warm look of a painted wood window with the superior durability and excellent energy efficiency that come with a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows need little to no maintenance, offering exceptional beauty and performance for years to come.

Pella® Impervia® Series

  • Constructed from Duracast®—the strongest, most durable material available in windows
  • Exceptional 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

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