Fiberglass Windows

Created from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-friendly, low-maintenance alternative to wood replacement windows. They resist warping in the hotter days and stand up to winter weather, and are available in a variety of color options to complement your home’s design.

At Pella of North Carolina, we have learned that Pella Impervia windows are a great choice for homeowners who want the stunning look of a painted wood window with the superior reliability and excellent energy efficiency that come with a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows demand very little maintenance, ensuring striking beauty and performance season after season.

Pella® Impervia® Series

  • Created from Duracast®—the strongest, most durable material you can have in windows
  • Excellent performance
  • The stunning look of a painted wood window
  • ENERGY STAR®-rated options conserve energy
Available Styles
  • Awning
  • Casement
  • Double-Hung
  • Single-Hung
  • Sliding
  • Basement
  • Bay and Bow

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