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Fiberglass Windows

Why Choose Fiberglass Windows?

Pella's fiberglass windows are made of the strongest, most durable material available in windows.17 Our patented, low-maintenance fiberglass is scratch-resistant and can withstand extreme heat and subzero cold temperatures, so you can trust our fiberglass windows to perform in your home.

Fiberglass Window Benefits

Powder-Coat Finish
Our long-lasting, powder-coat finish is available in some of today’s most popular colors to complement your home’s design.

Durable Material
Pella’s fiberglass windows are made from the strongest, most durable material available in windows.16 Our five-layer, engineered material can withstand extreme heat and subzero cold.

Dual-Color Frames
Pella’s dual-color option provides more style flexibility – choose a White interior frame with a different color exterior.

Pella® Impervia®

Pella® Impervia® fiberglass windows offer superior strength and durability. Enjoy the enduring beauty of fiberglass awning, casement, sliding, single-hung and double-hung windows — backed by one of the strongest warranties in the business

Pella® Impervia® Window Types

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Fiberglass Window Features & Options

Helpful Resources

LIMITED LIFETIME WARRANTY

Pella products are backed by some of the strongest warranties in the business.

Learn more about Pella warranties

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