The high quality sliding engineering and fittings enable low air infiltration and simultaneously providing an excellent acoustic solution. Extruded aluminium rolling track and heavy duty rollers system ensure smooth operation. Taking the door capacity to a greater height up to 10 feet, the high performance sliding door features aluminium frames and top-of-therange mechanism so that they can have a more solid appearance. The linear styling of multi-panels high performance sliding door offers fascinating aesthetic appeal to your home.