SmartCare Damp Block can be applied. However, the surface condition is very important before applying Dampblock, and also, the source of the leakage. In case the plaster is loose, one needs to re-plaster the surface, and then Dampblock can be applied covering the extra area (atleast 1 feet) from all sides. However, in case there is a bathroom attached, leakage from a pipe or the drainage system needs to be fixed, or it will accelerate the problem further.