Often, when repairing his own housing, the consumer has a need to dismantle old putty from the walls in order to properly prepare the walls for further decoration. In this case, it is easiest to soften it with starch solution, and then remove with metal brushes, spatula or any other similar tool. However, this method is not always quite effective. For example, if a layer of old putty is quite thick, then such a technique may not bring the desired result.