FIBERGLASS WINDOWS by Pella Windows and Doors Created from incredibly strong fiberglass, Pella Impervia® offers high-performing, low-maintenance fiberglass replacement windows that have 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 in the winter. If you’re in Shrewsbury and searching for superior durability and exceptional energy efficiency, while maintaining the exceptional visual allure 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 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 countless color options to complement your room. We allow you the flexibility to pick the best windows at a budget you can afford. Pella utilizes an environmentally friendly painting process that greatly reduces VOCs, keeping the air in your home healthier. If you want to get a closer look at the Pella Impervia line, stop by our showroom in Shrewsbury or schedule a free in-home consultation and find the perfect fit for your space. Schedule Now!