FIBERGLASS WINDOWS by Pella Windows and Doors Made from incredibly tough 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 resists warping in the summer months and doesn’t become brittle during the winter. If you’re in Colorado Springs and in the market for the best durability and high energy efficiency, while still gaining the outstanding visual allure of a painted wood window, look no further than Pella Impervia. Backed by one of the most extensive warranties in the business, 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. Exceptional 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 best 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, drop by our showroom in Colorado Springs or schedule a free in-home consultation and find the perfect fit for your space. Schedule Now!