Fiberglass Windows

Crafted from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-friendly, low-maintenance alternative to wood replacement windows. They prevent warping in the summer and defend against winter weather, and are carried in an array of color options to accompany your taste.

At Pella of Salt Lake City, we have discovered that Pella Impervia windows are a great choice for homeowners who want the warm look of a painted wood window with the top-notch reliability and excellent energy efficiency that come with a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows require almost no maintenance, ensuring striking beauty and performance year after year.

Pella® Impervia® Series

  • Made from Duracast®—the strongest, most durable material you can have 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

Take a closer look at fiberglass windows at your local Pella showroom or click below to schedule a complimentary, in-home consultation and uncover the windows that meet the needs of your budget.



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