Walls, continuous structures, which are solid brick, stone, concrete, wood or metal and so on are formed. The thickness of the walls are thin compared to the length and height, usually as a delimiter spaces (components or rooms) of each act or as a space saver, respectively. In addition, the walls, transfer times are the building to the ground. Can be divided into a variety of internal and external walls. Also in terms of location, both internal and external to the load bearing and non-load-bearing types are classified.