WHY CHOOSE FIBERGLASS WINDOWS?

Pella offers high performing, low-maintenance fiberglass windows that have the quality look of painted wood. Our durable, patented fiberglass composite can withstand extreme heat and subzero cold. And, they are highly energy efficient. Explore each of our fiberglass window styles below.

Fiberglass Windows by Pella®

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Pella® Impervia®

Incredibly strong fiberglass

  • Duracast®. The most durable material available in windows and doors.16
  • Excellent performance.
  • Exceptional energy efficiency.