Fiberglass Windows

Made 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 heat and shield your home from winter weather, and are offered in an array of color choices to match your home’s design.

At Pella of Tucson, we have found 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 reliability and notable energy efficiency that are inherent to a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows need little to no maintenance, offering striking beauty and performance year after year.

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 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 local Pella showroom or click below to plan a complimentary, in-home consultation and find the windows that are right for your home.



Live Chat
I can help with your window or door replacement questions.