Grating is a network consisting of metal elements that are placed together longitudinally and transversely. These products have high resistance, good appearance, low weight, possibility of air passage, light barrier, reasonable price and completely economic, which are connected to each other in square, sinusoidal, triangular, etc. shapes. These plates are meshed and its metal type is prepared from belts and bars. These products have various applications: they are used in urban development, false ceiling industry, floor covering, protective panels, stairs, channel caps, factory stair treads, skylights, bridges, etc.