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 shield your home from winter weather, and are carried in an array of color types to match your home’s design.

At Pella of West Springfield, we have discovered that Pella Impervia windows are a great choice for homeowners who want the stunning look of a painted wood window with the top-of-the-line durability and notable energy efficiency that are inherent to a fiberglass window. Supported by our industry-leading warranty, Pella Impervia replacement windows require very little maintenance, offering remarkable beauty and performance season after season.

Pella® Impervia® Series

  • Constructed 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 save energy
Available Styles
  • Awning
  • Casement
  • Double-Hung
  • Single-Hung
  • Sliding
  • Basement
  • Bay and Bow

Take a closer look at fiberglass windows at your nearby Pella showroom or click below to book a complimentary, in-home consultation and discover the windows that are right for your home.



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