Lang Exterior is a family-run business that has been providing top-quality replacement windows and patio doors since 1953. We have our own factory in Chicago, IL, the best prices. Our experienced team also offers glass repair services directly to the public. Visit

and replacement, window glass repair and replacement, aluminum window capping, fascia and soffit replacement, brick molding and trim repair and replacement, exterior door with efficiency and great results. We take pride in the quality of our services, and aim to