Fiberglass Windows

Crafted from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-friendly, low-maintenance alternative to wood replacement windows. They protect from warping in the hotter days and defend against winter weather, and are offered in a selection of color types to accompany your home’s design.

At Pella of Colorado Springs, we have discovered that Pella Impervia windows are the right choice for homeowners who want the warm look of a painted wood window with the top-of-the-line durability and impressive energy efficiency that are inherent to a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows demand little to no maintenance, offering striking beauty and performance year after year.

Pella® Impervia® Series

  • Constructed from Duracast®—the strongest, most durable material you can have in windows
  • Exceptional performance
  • The stunning 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

Discover fiberglass windows at your nearby Pella showroom or click below to schedule a free, in-home consultation and find the windows that best fit your budget.



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