Preferred Showroom - Pella Windows & Doors of Gaithersburg Closed

Pella Windows & Doors
of Washington D.C.

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Hours may vary from May 28th through May 30th. Please call your local showroom for more information.

Fiberglass Replacement Windows

Why choose fiberglass?

Fiberglass windows from Pella offer strength and durability with the ability to withstand extreme temperatures. Fiberglass is a low-maintenance material with a quality look. Choose your window style and enjoy the quality look and energy efficiency of fiberglass.

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fiberglass window

Fiberglass Replacement Windows

EXPLORE PELLA'S FIBERGLASS WINDOWS

Pella® Impervia®

Behind the Strength of Pella’s Proprietary Fiberglass

Pella's proprietary fiberglass material is the strongest material for windows and patio doors, engineered for lasting durability.*

*Disclosure: Pella’s proprietary fiberglass material has displayed superior strength over wood, vinyl, aluminum, wood/plastic composites, and other fiberglass materials used by leading national brands in tensile and 3-point bend tests performed in accordance with ASTM D638 and D790 testing standards.

Explore Your Options With an Expert

Expert craftsmanship takes expert product knowledge. A Pella windows and doors expert can help you pick out the window that fits your home — and your style. Find your local Pella representative to schedule a free in-home consultation, measurement, and estimate. Or visit your nearest showroom for a guided tour of your options. No pressure. No cost to you.

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