FIBERGLASS WINDOWS by Pella Windows and Doors Created from incredibly tough 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 resists warping in the summer months and doesn’t become brittle throughout winter. If you’re in Nashville and searching for superior durability and exceptional energy efficiency, while keeping the outstanding visual appeal of a painted wood window, look no further than Pella Impervia. Protected by one of the most extensive warranties in the market, Pella Impervia replacement windows require 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. Excellent 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 Nashville or schedule a free in-home consultation and find the perfect fit for your room. Schedule Now!