FIBERGLASS WINDOWS by Pella Windows and Doors Produced from amazingly durable fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that provide the quality finish that looks like 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 throughout winter. If you’re in Bloomington and searching for the best durability and high energy efficiency, while maintaining the exceptional visual appeal of a painted wood window, then Pella Impervia windows are for you. Protected by one of the most extensive warranties in the industry, Pella Impervia replacement windows involve little to no maintenance, ensuring that your windows will look outstanding year after year. 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 a variety of color options to complement your space. We allow you the flexibility to pick the best 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 get a closer look at the Pella Impervia line, come by our showroom in Bloomington or schedule a free in-home consultation and find the perfect windows for your space. Schedule Now!