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 over tiles on balcony.
Then bond the new tile to the cured waterproof membrane.
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.
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.
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.
They are permanently exposed to the elements and are subject to constant changes in temperature.
Prime rough porous surfaces with tal floor.
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.
Waterproofing your balcony can be a complicated process.
Next you lay a waterproof membrane cutting in strips for the edges.