NEW STEP BY STEP MAP FOR ROOF WATERPROOFING

Generally, this incorporates a damp proof membrane (DPM) on the walls which has a polythene DPM under the slab. With increased quality DPM, some protection from limited-term Hydrostatic tension may be gained by transitioning the higher high quality wall DPM to your slab polythene under the footing, as an alternative to at the footing facial area.