Fiberglass Windows

Crafted from patented Duracast® fiberglass composite, Pella® Impervia® fiberglass windows are a cost-friendly, low-maintenance alternative to wood replacement windows. They protect from warping in the summer and defend against winter weather, and are available in a variety of color options to accompany your taste.

At Pella of Nashville, we have found 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 impressive energy efficiency that come with a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows demand almost no maintenance, ensuring remarkable beauty and performance season after season.

Pella® Impervia® Series

  • Created from Duracast®—the strongest, most durable material available in windows
  • Impressive performance
  • The high-end 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 complimentary, in-home consultation and discover the windows that meet the needs of your style.



We are hiring! Our open positions are in sales, installation and admin.
Live Chat
I can help with your window or door replacement questions.