Ready-to-use, normal-setting, controlled-shrinkage mortar with high thermal efficiency for quick-drying (4 days) screeds. TECHNICAL DATA: Mixing ratio: 1 25 kg bags of TOPCEM PRONTO with 1.7 litres of water. Workability time: 40-60 minutes. Set to light foot traffic: after 12 hours. Waiting time before laying: 24 hours for ceramic tiles, 2 days for natural stone and 4 days for resilient and wood coverings. Residual humidity after 4 days: less than 2%. EMICODE: EC1 R Plus - very low emission. Storage: 12 months. Application: tapping and flattening with a straight edge. Consumption: 18-20 kg/m² per cm of thickness according to the grade of compacting. Thermal efficiency: λ = 2,008 W/m·K. Packaging: 25 kg bags.