FIBERGLASS WINDOWS by Pella Windows and Doors Produced from amazingly strong fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that have the quality appearance 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 in the winter. If you’re in Annapolis and in the market for superior durability and exceptional energy efficiency, while keeping the impeccable visual attraction of a painted wood window, look no further than Pella Impervia. Backed by one of the best warranties in the market, 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. Outstanding energy efficiency. FIBERGLASS WINDOW COLOR OPTIONS Pella Impervia fiberglass windows offer countless color options to complement your room. 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 Annapolis or schedule a free in-home consultation and find the perfect fit for your room. Schedule Now!