A window and door system with thermal insulation,  featuring smooth and narrow profile line. A Steel look is a system for those who want to emphasise unusual design and aesthetics, and add a bold element to their project. At the same time, they expect windows to be a solid and durable structure as well as comfortable in everyday use.Steel look is perfectly suitable for renovation of historic buildings and helps to preserve the appropriate appearance of windows, which can imitate steel joinery, while ensuring superb technical performance.