Why Choose Fiberglass Windows

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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.

Pella Impervia Fiberglass Windows

Made with Pella’s patented fiberglass material, Duracast®. Exceptionally energy efficient and durable in extreme heat and cold. Versatile design features and options to deliver any style homeowners could need.

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