FIBERGLASS WINDOWS by Pella Windows and Doors

Made from amazingly tough fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that deliver the quality appearance of painted wood. The Impervia line is made from Duracast, a patented fiberglass composite that battles warping in the summer months and doesn’t become brittle throughout winter. If you’re in Wilmington and searching for superior durability and exceptional energy efficiency, while maintaining the exceptional visual allure of a painted wood window, then Pella Impervia windows are for you.

Covered by one of the most extensive warranties in the market, Pella Impervia replacement windows need little to no maintenance, ensuring that your windows will look great for many years.

Pella Impervia®
Impervia Fiberglass Windows

Pella Impervia®

Incredibly strong fiberglass
  • Duracast®. An extremely durable material available in windows and doors.
  • Excellent performance.
  • Exceptional energy efficiency.



Pella Impervia fiberglass windows offer countless color options to complement your room. We allow you the flexibility to pick the ideal windows at a budget you can afford. Pella utilizes an environmentally friendly painting process that greatly reduces VOCs, keeping the air in your home healthier.

If you want a closer look at the Pella Impervia line, stop by our showroom in Wilmington or schedule a free in-home consultation and find the perfect fit for your home.

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