“WATERPROOF INK FOR MASONRY WALLS AND SIMILARS”. One is about one practical and innovative layer of protection against infiltrations of humidity, pertaining to the field of the civil construction, use more necessarily for the waterproofing of walls of masonry fa?ade, generally affected for the humidity of rain, and internal walls of humid places, such as sanitary kitchens and installations, and which was given original constructive disposal, with sights to improve its use and performance in relation to the other usually found models in the market, visa if to deal with an ink bi-component of high thickness, that it can be used as ink base for any real estate painting system, as well as for ink base and/or of finishing of not towed masonry walls, that is, without I plaster, constituted of a pulverulento, composed agent of pulverulento, composed agent of ciment韈io binder, small and fine, additive aggregates special and after reagents and, optionally, pigment in dust, liquid, composed polim閞ica emulsion agent of different polymers and copolymers, beyond liquid additives and pigments, optionally.