FIBERGLASS WINDOWS by Pella Windows and Doors Made from incredibly strong fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that provide the quality look of painted wood. The Impervia line is made from Duracast, a patented fiberglass composite that fights warping in the summer months and doesn’t become brittle in the winter. If you’re in Evansville and searching for the best durability and energy efficiency, while still gaining the outstanding visual attraction of a painted wood window, look no further than Pella Impervia. Covered by one of the top warranties in the market, Pella Impervia replacement windows require little to no maintenance, ensuring that your windows will look great for years to come. Pella Impervia® Pella Impervia® Incredibly strong fiberglass Duracast®. An extremely durable material available in windows and doors. Excellent performance. Outstanding energy efficiency. FIBERGLASS WINDOW COLOR OPTIONS Pella Impervia fiberglass windows offer a variety of color options to complement your space. We allow you the flexibility to pick the best windows at a budget you can afford. Pella utilizes an environmentally friendly painting process that eliminates VOCs, keeping the air in your home healthier. If you want to take a closer look at the Pella Impervia line, come by our showroom in Evansville or schedule a free in-home consultation and find the perfect windows for your space. Schedule Now!