<p>THE SURFACE OF THE WALLS FOR FLATTENING SHOULD BE WET, DUST FREE, GREASES, RESIDUES OF CURING MEMBRANES, DESCOFRANTS, NAILS, WIRES, TORSAVES, TENSIONERS, METAL OR WOOD SEPARATORS AND ANY MATERIAL FALSELY ADHERED OR THAT PREVENTS ADHERENCE BETWEEN THE FLATTEN AND THE WALL. VERTICAL REINFORCEMENT IN WALL OF BLOCK HOLLOW OF CEMENT WITH ROD OF 3/8 "TO EACH 60cm.</p>