FIBERGLASS WINDOWS by Pella Windows and Doors Produced from amazingly durable fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that have the quality look of painted wood. The Impervia line is made from Duracast, a patented fiberglass composite that resists warping in the summer months and doesn’t become brittle during the winter. If you’re in Peoria and in the market for superior durability and exceptional energy efficiency, while keeping the outstanding visual appeal of a painted wood window, then Pella Impervia windows are for you. Protected by one of the top warranties in the industry, Pella Impervia replacement windows involve little to no maintenance, ensuring that your windows will look outstanding for years to come. Pella Impervia® Pella Impervia® Incredibly strong fiberglass Duracast®. An extremely durable material available in windows and doors. Excellent performance. Excellent energy efficiency. FIBERGLASS WINDOW COLOR OPTIONS Pella Impervia fiberglass windows offer numerous color options to complement your room. We allow you the flexibility to pick the ideal windows at a budget you can afford. Pella utilizes an environmentally friendly painting process that removes VOCs, keeping the air in your home healthier. If you want to take a closer look at the Pella Impervia line, drop by our showroom in Peoria or schedule a free in-home consultation and find the perfect fit for your home. Schedule Now!