Mechanical damage causes water leakage Most times, before the application of cementitious waterproofing, polyurethane waterproofing or bitumen waterproofing careful considerations may not be given to the equipment that would be installed such as AC, Chillers, DSTV etc. And so they end up drilling holes, damaging/breaking through these membranes to install these equipment thereby causing leakages.
A bad bathroom waterproofing or lack of waterproofing can be a nightmare. It can destroy interior decorations and in worst case cause a huge mess to the inhabitants of already completed projects. Majority of people will tile or repaint the toilet walls or redo the plasterboards while renovating their bathrooms as a way of reducing