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 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 during the winter. If you’re in Hunt Valley and searching for top-of-the-line durability and high energy efficiency, while keeping the impeccable visual allure of a painted wood window, look no further than Pella Impervia. Covered by one of the most extensive warranties in the business, Pella Impervia replacement windows require little to no maintenance, ensuring that your windows will look outstanding for many years. 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 numerous 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 greatly reduces VOCs, keeping the air in your home healthier. If you want a closer look at the Pella Impervia line, drop by our showroom in Hunt Valley or schedule a free in-home consultation and find the perfect fit for your room. Schedule Now!