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 hotter days and defend against winter weather, and are offered in an array of color choices to complement your taste.

At Pella of Wellesley, we have discovered that Pella Impervia windows are the right choice for homeowners who want the impressive look of a painted wood window with the superior reliability and impressive energy efficiency that are inherent to a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows require little to no maintenance, ensuring striking 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 quality 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 budget.



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