FIBERGLASS WINDOWS by Pella Made from extremely tough 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 battles warping in the summer months and doesn’t become brittle throughout winter. If you’re in North Carolina and searching for the best durability and energy efficiency, while keeping 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 market, Pella Impervia replacement windows involve little to no maintenance, ensuring that your windows will look great for years to come. Pella Impervia® Pella Impervia® Incredibly strong fiberglass Duracast®. An extremely durable material available in windows and doors. Excellent performance. Exceptional energy efficiency. FIBERGLASS WINDOW COLOR OPTIONS Pella Impervia fiberglass windows offer numerous color options to complement your space. We allow you the flexibility to pick the ideal 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 take a closer look at the Pella Impervia line, drop by our showroom in North Carolina or schedule a free in-home consultation and find the perfect windows for your home. Schedule Now!