FIBERGLASS WINDOWS by Pella Windows and Doors Made from amazingly strong 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 resists warping in the summer months and doesn’t become brittle throughout winter. If you’re in Boise and searching for top-of-the-line durability and high energy efficiency, while keeping the impeccable visual attraction of a painted wood window, Pella Impervia is a great choice. Protected by one of the top warranties in the business, Pella Impervia replacement windows need little to no maintenance, ensuring that your windows will look amazing year after year. 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 countless color options to complement your home. We allow you the flexibility to pick the perfect 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 to get a closer look at the Pella Impervia line, stop by our showroom in Boise or schedule a free in-home consultation and find the perfect style for your room. Schedule Now!