Mapei Topcem Pronto preblended controlled-shrinkage mortar. Normal-setting, controlled-shrinkage mortar for screeds both internal and external. Suitable for unbonded, floating, and bonded screeds on old and new floor slabs, for laying wood, PVC, linoleum, ceramic, or any other type of floor covering where quick drying is required. Pot life: 60 minutesSetting time to light foot traffic at 20 °C: 12 hoursFinal setting time at 20 °C: 1-4 days, depending on the type of flooring to be laidCompressive strength after 28 days: 30 MPaApplication depth: 10-70 mm depending on function, see technical data sheetApproximate consumption: 1.8-2.0 kg/m2 per mm of thicknessMix ratio: 0.07 L/kg of Topcem ProntoPackaging: 20 kg bag Download technical data sheetDownload safety data sheet