Shrinkage compensated fibre-reinforced mortar for concrete repair. Mapegrout Hi-Flow SP is a ready-mixed powder composed of highly resistant cement, selected aggregates, special additives and synthetic fibres prepared according to a formula developed in MAPEI research laboratories. Mapegrout Hi-Flow SP, once mixed with water, becomes a highly fluid mortar, suitable for pouring into formwork without separation of the aggregates even when forming great thicknesses. Consumption 20 kg/m2 per cm thickness. Packaging 25 kg bag.