FIBERGLASS WINDOWS by Pella Windows and Doors Produced from incredibly durable fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that deliver the quality look of painted wood. The Impervia line is made from Duracast, a patented fiberglass composite that battles warping in the summer months and doesn’t become brittle in the winter. If you’re in Terre Haute and in the market for superior durability and energy efficiency, while still gaining the impeccable visual attraction of a painted wood window, then Pella Impervia windows are for you. Backed by one of the most extensive warranties in the industry, 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 home. We allow you the flexibility to pick the ideal 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 Terre Haute or schedule a free in-home consultation and find the perfect style for your home. Schedule Now!