Floor deck is also called metal deck,steel deck,structural decking,composite decking sheets.It's made by high strength galvanzied steel sheets and cold formed corrugated by related equipment.Floor decking sheets is used for supporting the floor or a roof,which is supported by steel joists or H beams.It is widely used in different floor systems such as multi-story steel structure slabs, reinforced concrete structural slabs,and reinforced concrete prefabricated building slabs.