WHAT DOES ROOF WATERPROOFING MEAN?

commonly, this incorporates a damp proof membrane (DPM) towards the walls with a polythene DPM beneath the slab. With better grade DPM, some defense from quick-time period Hydrostatic stress may be gained by transitioning the upper top quality wall DPM on the slab polythene underneath the footing, rather then within the footing facial area. • It