Abstract: The present invention relates to a constructive assembly for building walls which allow forming wall coverings. Examples of coverings that can be formed with the present invention are façades, party walls and partition walls. The constructive assembly is characterized by being formed by a plurality of cables intended for being arranged under stress in the vertical position, and a plurality of blocks having coupling means for coupling them to cables such that integral joining is assured, forming the wall. Walls thus formed do not require the use of mortar or the need to be built by skilled labor, making it possible to build reformed or new exposed wall faces more easily and in a cleaner and faster manner and, in the case of thin material (tiles), with the certainty that such material will not become detached.