One-component, solvent-free, flexible polyurethane membrane for flexible waterproofing coats and bonds for new ceramic floors on new and old balconies and terraces without removing the old ceramic coating. TECHNICAL DATA: Consistency: creamy paste. Density of the mix: 1500 kg/m³. Storage: 12 months. Application temperature range: from +5°C to +35°C. Hardening time for a 2 mm thick layer: 12 hours. Waiting time before laying ceramic tiles: 12-24 hours. Set to light foot traffic: 12-24 hours. Tensile strength: 1.6 N/mm². Elongation at failure: 140%. Tear strength: 10.5 N/mm. In service temperature range: from -20°C to +70°C. Resistance to 5% lactic acid solution: excellent. Resistance to 5% acetic acid solution: excellent. Resistance to 3% hydrochloric acid solution: excellent. Resistance to 3% potassium hydroxide solution: excellent. Consumption: 1.4 kg/m² per mm of thickness. Packaging: 15 kg aluminium bags contained in plastic drums.