1.Infiltration of water through tile grout into adhesive layer
- Cementitious grout are porous and allow water to soak through into substrate layer. Some tiling substrates are affected by water such as plasterboard, which will lose strength when wet. Substrate material used in these area have to be water-insensitive.
- Remark: In case of gysump board being used in the substrate such as bathroom wall. it is very important to have specific waterproofing system for gypsum board material. (For more information, please contact weber technical team)