FIBERGLASS WINDOWS by Pella Windows and Doors Made from amazingly strong 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 fights warping in the summer months and doesn’t become brittle throughout winter. If you’re in Long Island and in the market for superior durability and exceptional energy efficiency, while still gaining the impeccable visual attraction of a painted wood window, then Pella Impervia windows are for you. Covered by one of the most extensive warranties in the business, Pella Impervia replacement windows involve little to no maintenance, ensuring that your windows will look great 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 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 eliminates VOCs, keeping the air in your home healthier. If you want a closer look at the Pella Impervia line, come by our showroom in Long Island or schedule a free in-home consultation and find the perfect fit for your home. Schedule Now!