WATERPROOFING SYSTEM BEFORE TILING How to prevent water leakage from upstairs bathroom Leakage Problem There is a risk of water leakage There is a risk of water leakage when the tiling substrates are always subjected to highly use of water. Cracks in grouts Cracks in grouts allow water to soak through into adhesive layer. Other particular areas are cracks Other particular areas such as water pipes, drainpipes, or any protruding pipes are also at the risk of leakage from the cracks. The decoration materials could deteriorate Water permeation from upstairs bathroom could deteriorate the decoration materials. Water permeation from upstairs bathroom Water permeation from upstairs bathroom could deteriorate the decoration materials. Water ingress through gypsum or brick walls Water ingress through gypsum or brick walls can cause a significant damage and highly cost for redecoration. Water seeping through tiles Water seeping through tiles can reduce bond strength of the adhesive and tiles will be dislodged.