Floor slab waterproofing by capillary saturation of the concrete

Floor slab waterproofing by capillary saturation of the concrete. UNDER-SLAB WATERPROOFING: application of waterproofing mortar, in powder, by manual sprinkling, yield: 2 kg/m², before proceeding to concreting, with the slab reinforcement already mounted, on the previously cleaned and moistened concrete. ON-SLAB WATERPROOFING: application of waterproofing mortar, in liquid form, by spreading with a brush, yield: 2 kg/m², in two layers, on the already cured concrete.