One-component ready-to-use polymer based repair mortar in a cartridge. The joint is partially water-soluble until fully cured. After curing, the filling is durable, completely waterproof (insoluble) and resistant to moisture. The cured mass is resistant to changing weather conditions (from -20°C to +70°C) and UV rays. The product has a wide range of applications in the construction industry, shows adhesion to such
materials as wood, concrete, plaster, brick and plasterboard. The possibility of working on slightly damp substrates extends the climatic conditions and reduces the risk of improper repair work. The product can be used in indoor and outdoor work, while maintaining the criteria for the use of emergency pistol operation.