FIBERGLASS WINDOWS by Pella Windows and Doors Made from extremely strong fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that have the quality finish that looks like 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 throughout winter. If you’re in Champaign and in the market for the best durability and high energy efficiency, while maintaining the outstanding visual allure of a painted wood window, Pella Impervia is a great choice. Covered by one of the best warranties in the business, Pella Impervia replacement windows involve little to no maintenance, ensuring that your windows will look outstanding for many years. 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 a variety of color options to complement your space. We allow you the flexibility to pick the perfect windows at a budget you can afford. Pella utilizes an environmentally friendly painting process that greatly reduces VOCs, keeping the air in your home healthier. If you want a closer look at the Pella Impervia line, come by our showroom in Champaign or schedule a free in-home consultation and find the perfect windows for your room. Schedule Now!