Aluminum makes it possible. A unique folding sliding door that effortlessly meets the current thermal insulation standard and also impresses with its narrow face widths and wide choice of options. All folding constructions are impressively smooth and easy to handle. This makes them ideal for universal use in the residential and commercial sector. The solidity of the insulated profiles, coupled with good machinability, guarantees precision-fit components with a high degree of energy-saving, weathertightness and optimum sound insulation as well.