FIBERGLASS WINDOWS by Pella Windows and Doors Created from extremely tough 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 in the winter. If you’re in Charlotte and searching for superior durability and high energy efficiency, while still gaining the impeccable visual appeal of a painted wood window, then Pella Impervia windows are for you. Covered 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 years to come. 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 ideal 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, stop by our showroom in Charlotte or schedule a free in-home consultation and find the perfect fit for your home. Schedule Now!