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 heat and defend against winter weather, and are carried in a selection of color choices to accompany your home’s design.

At Pella of Woburn, we have learned that Pella Impervia windows are the right choice for homeowners who want the stunning look of a painted wood window with the top-notch durability and excellent energy efficiency that are a part of a fiberglass window. Covered by our industry-leading warranty, Pella Impervia replacement windows demand very little maintenance, resulting in remarkable beauty and performance season after season.

Pella® Impervia® Series

  • Constructed from Duracast®—the strongest, most durable material you can have in windows
  • Excellent 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

Look into fiberglass windows at your closest Pella showroom or click below to book a no-cost, in-home consultation and find the windows that best fit your budget.



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