THE 2-MINUTE RULE FOR ROOF WATERPROOFING

normally, this incorporates a damp proof membrane (DPM) for the partitions having a polythene DPM under the slab. With increased grade DPM, some security from limited-time period Hydrostatic strain is often received by transitioning the upper good quality wall DPM for the slab polythene underneath the footing, as an alternative to with the footing