In our Composite Decking Sheet the floor is constituted by a profiled Deck sheet made of metal onto which a layer of concrete is poured. The GI decking sheet is attached to the concrete by method for mouldings on the sheet which prevent the cement from slipping on a level plane and disconnecting vertically. At the point when the concrete is spilled and until it has arrived at a proper level of solidifying, the weights of the concrete, staff working and supplies utilized as a part of borne by the sheet alone. When the cement has solidified the sheet and the concrete structure a bound together bond.