FIBERGLASS WINDOWS by Pella Windows and Doors Created from extremely 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 Danville and searching for top-of-the-line durability and energy efficiency, while maintaining the impeccable visual allure of a painted wood window, then Pella Impervia windows are for you. Covered by one of the most extensive warranties in the industry, Pella Impervia replacement windows need little to no maintenance, ensuring that your windows will look amazing for many years. Pella Impervia® Pella Impervia® Incredibly strong fiberglass Duracast®. An extremely durable material available in windows and doors. Excellent performance. Exceptional energy efficiency. FIBERGLASS WINDOW COLOR OPTIONS Pella Impervia fiberglass windows offer a variety of color options to complement your home. We allow you the flexibility to pick the perfect 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 a closer look at the Pella Impervia line, come by our showroom in Danville or schedule a free in-home consultation and find the perfect style for your room. Schedule Now!