FIBERGLASS WINDOWS by Pella Windows and Doors Made from amazingly tough fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that deliver 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 Minneapolis and looking 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. Protected 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. Excellent energy efficiency. FIBERGLASS WINDOW COLOR OPTIONS Pella Impervia fiberglass windows offer numerous 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 greatly reduces 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 Minneapolis or schedule a free in-home consultation and find the perfect style for your room. Schedule Now!