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 stand up to winter weather, and are available in an array of color options to match your taste.

At Pella of Winston-Salem, we have learned that Pella Impervia windows are a fitting choice for homeowners who want the impressive look of a painted wood window with the superior durability and impressive energy efficiency that are a part of a fiberglass window. Supported by our industry-leading warranty, Pella Impervia replacement windows require almost no maintenance, resulting in striking beauty and performance year after year.

Pella® Impervia® Series

  • Constructed 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 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 no-cost, in-home consultation and find the windows that meet the needs of your home.



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