In swimming pools cracks and weathering occurs caused by permanent stress through water which is treated with chlorine and other chemicals. Temperature fl uctuations and other environmental in- fl uences also lead to the chipping off of colors and coatings. In case of damage of this protective layer - especially in cement-bound pools - there appear formation of cracks and loss of water through stress caused by frost. Our system gives you the possibility to repair your pool in a quick and simple way with a long-lasting coating. The system is UV-stable and has a good resistance towards chemicals.