FIBERGLASS WINDOWS by Pella Windows and Doors Produced from amazingly durable fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that deliver the quality appearance 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 in the winter. If you’re in Westerly and looking for top-of-the-line durability and exceptional energy efficiency, while maintaining the outstanding visual attraction of a painted wood window, then Pella Impervia windows are for you. Covered by one of the top 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 countless 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 eliminates VOCs, keeping the air in your home healthier. If you want a closer look at the Pella Impervia line, stop by our showroom in Westerly or schedule a free in-home consultation and find the perfect windows for your room. Schedule Now!