Clear waterproofing is crucial for open air exposed areas balconies and terraces patios and walkways are without doubt among the most heavily stressed parts of any building.
Waterproofing over tiles on balcony.
An exterior balcony over occupied space is among the most critical types of installations a tile contractor can face.
Priming the substrate must be in good condition clean and dry.
They are permanently exposed to the elements and are subject to constant changes in temperature.
Then bond the new tile to the cured waterproof membrane.
Prime rough porous surfaces with tal floor.
After preparing the old tile use the high strength polymer modified thin set mortar and apply a skim coat of mortar over the existing tile to get a flat surface.
There is very much information to consider more than can be addressed here so i will begin by listing the applicable reference material and asking you to take a look through the information listed below.
Especially if these areas are covered with ceramic tiles these conditions frequently lead to cracks in the mortar joints allowing water ingress causing considerable damage.
Waterproofing your balcony can be a complicated process.
Lastly you lay your tile and apply your grout.