Damp Proof Course (DPC) is a barrier in the walls of a building that prevents moisture from rising through capillary action. It is typically installed at the base of walls, usually around 6 inches above ground level. The purpose of a damp proof course is to protect the building from rising damp, which is moisture that moves up through the porous materials in walls or floors. Rising damp can lead to various problems in a building, including: 1.Dampness: Rising damp can cause damp patches on walls