Remember rising damp will be found in all boundary walls on your property. Municipal by–laws do not allow the fitting of DPC (reason being is that homes have 4 walls to bind the property and boundary walls don’t). Face brick and unplastered walls are not as badly affected as plastered walls. The presence of efflorescence salts can normally be washed down with a high pressure cleaner on unplastered walls. The only method to cure the problem on plastered walls is to tank the walls to between 1.3...