FIBERGLASS WINDOWS by Pella Windows and Doors Made from incredibly strong fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that provide 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 Asheville and in the market for superior durability and high 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 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 numerous 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 removes VOCs, keeping the air in your home healthier. If you want a closer look at the Pella Impervia line, drop by our showroom in Asheville or schedule a free in-home consultation and find the perfect fit for your room. Schedule Now!