THE BASIC PRINCIPLES OF SUB FLOOR VENTILATION

They can also Examine that the internal floor DPM (damp-proof membrane) laps into the DPC from the walls to form a watertight seal.  The mortar used for DPC need to be leveled and in some cases, and may be totally free from projections so which the damp proof course isn't damaged. DPC must be laid in this kind of way that a continuous projection i