Theatre Of War 2 License Key Free there. A damp proof course; or dpc, is a physical or remedial method; by which moisture from the ground is prevented from entering either the walls; or if present the. The problems associated with brickwork and mortar bed irregularities when installing a chemical remedial damp proof course in a solid wall, are due to the walls. Because most old buildings were constructed with solid walls without damp proof courses and originally had no roofing felt, rain or below ground moisture could both enter. This did not. Before central heating was commonplace, heat from open fires drew in large quantities of air through loosely fitting windows and doors. Oct 11, 2016. Be sure to ask how much for a damp proof course and gather at least three separate quotes for installation. Initially, many homes used slate tiles, yet with modern plastic damp course the cost is far lower, it has become the new standard. 8” thick filled or solid wall 1 litre for every 2m from both sides. We have a three bed 1930's semi house we are looking at buying and have been advised that the house needs new Damp Proof Course. Can anyone give me a rough idea. The construction of the building is a 9 inch solid wall with external rough casting (harling). This is a traditional Scottish method.