Fiberglass Windows

Crafted from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a budget-friendly, low-maintenance alternative to wood replacement windows. They resist 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 Hunt Valley, we have discovered that Pella Impervia windows are a great choice for homeowners who want the impressive look of a painted wood window with the top-of-the-line dependability and impressive energy efficiency that are inherent to a fiberglass window. Supported by our industry-leading warranty, Pella Impervia replacement windows demand little to no maintenance, offering remarkable beauty and performance year after year.

Pella® Impervia® Series

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

Look into fiberglass windows at your closest Pella showroom or click below to schedule a free, in-home consultation and discover the windows that are right for your home.