FIBERGLASS WINDOWS by Pella Windows and Doors Made from incredibly strong fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that deliver the quality finish that looks like 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 throughout winter. If you’re in Lewes and looking for superior durability and energy efficiency, while still gaining the impeccable visual appeal of a painted wood window, Pella Impervia is a great choice. Covered by one of the best warranties in the business, Pella Impervia replacement windows require little to no maintenance, ensuring that your windows will look outstanding 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 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 removes 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 Lewes or schedule a free in-home consultation and find the perfect windows for your room. Schedule Now!