Covering that has a structure formed by multiple covering plates fixed by means of fasteners to longitudinal profiles each of which has a groove, the fasteners being located in the areas between the plates and the profiles of the guides, being simultaneously located within the cavities of the guide of the profiles and in a corresponding lodging of the plate, formed by a groove located in the side or lateral portion of the plate, fixing each fastener two contiguous plates and a profile, the fastener having dimensions that allow it to be turned in two positions when it is introduced in said guide, the fastener having at the same time an asymmetrical arrangement, in such a way that one of the rotation positions, that corresponds with the assembly position, the fastener enters in dimensional interference with the mentioned guide.