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 hotter days and defend against winter weather, and are offered in a selection of color options to complement your home.

At Pella of El Paso, we have learned that Pella Impervia windows are a great choice for homeowners who want the impressive look of a painted wood window with the superior dependability and notable energy efficiency that are a part of a fiberglass window. Supported by our industry-leading warranty, Pella Impervia replacement windows need very little maintenance, resulting in exceptional beauty and performance season after season.

Pella® Impervia® Series

  • Created from Duracast®—the strongest, most durable material you can have in windows
  • Exceptional performance
  • The high-end look of a painted wood window
  • ENERGY STAR®-rated options help conserve 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 book a complimentary, in-home consultation and uncover the windows that best fit your budget.