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Anonymous users2024-01-24As long as the bottom of the tile is waterproof, it's no problem, and in addition, didn't your original developer also make waterproof? Don't worry, it's fine.
Try not to change it, the first is afraid that you will make the floor heating leak, and the second is afraid that you will leak if you destroy the waterproof.
You should make a layer, but the base surface is not too thick, Oriental rainbow or Sika will do.
Only some gluing can be applied to the surface of the tile - it is not durable and needs to be repainted depending on the situation.
There is no shortcut to a water leak. If the short-term effect is to use quick-acting caulk to fill the joints of the tiles. But it doesn't last long. >>>More
It is recommended that only the ground that has been done be removed, and then the ground will be re-done after the waterproofing is done Otherwise, if you only do waterproofing on the surface of the ground, it will cause a lot of trouble in the future use process.