Fiberglass Windows

Made from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-effective, low-maintenance alternative to wood replacement windows. They resist warping in the summer and shield your home from winter weather, and are carried in a selection of color choices to complement your home’s design.

At Pella of Roanoke, we have learned that Pella Impervia windows are a great choice for homeowners who want the warm look of a painted wood window with the superior reliability and notable energy efficiency that are inherent to a fiberglass window. Backed by our industry-leading warranty, Pella Impervia replacement windows demand very little maintenance, ensuring striking beauty and performance year after year.

Pella® Impervia® Series

  • Made from Duracast®—the strongest, most durable material you can get in windows
  • Impressive 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

Look into fiberglass windows at your nearby Pella showroom or click below to schedule a no-cost, in-home consultation and discover the windows that are right for your home.



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