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Fiberglass Windows

Bring your contemporary vision to life with the sleek profiles and clean lines of Pella Impervia products. These windows are made to withstand the most extreme heat and cold, damaging UV rays and seacoast environments. The easy-to-care-for fiberglass windows feature a low-maintenance powder-coat finish that stays looking great for years.

Fiberglass Window Features

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.

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Fiberglass Windows

Pella Impervia Windows

Combine the beauty and energy efficiency you expect from Pella with the durability of our patented fiberglass material.17 Complement your home with energy-efficient, low-maintenance windows that are backed by one of the strongest warranties in the business. And with a long-lasting powder-coat finish, your windows will look great for years. Explore Pella Impervia fiberglass windows.

Windows by Material

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Visualize Your Dream Home

See how new windows and doors can improve a home's curb appeal. Experiment with your home's exterior, try out different window styles, and discover stunning patio door options.

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For the Pros

Fiberglass Window Installation & Product Specs

Find out everything you need for your next project. Download specifications you need for combinations, installation details and accessories.

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

Learn more about Pella warranties

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