For the packaging of mortars, grouts, of concretes, rheofluid, anti-leaching, shrink-resistant mortar, high waterproofing and high mechanical performance and chemical resistance, must be provided for the addition of the polyvalent additive Fluid Col by AZICHEM srl, dosed by an amount of 12 - 15 % by weight on the weight of the cement used (minimum 350 kg/m3 of conglomerate).