The wall tiles of the bathroom are hollow, what should I do?

If you don't remove it, you may fall down one day and hit people, which is very dangerous.

It will destroy the waterproof layer!

It is recommended that you do the waterproofing again, and you must clean the original waterproofing layer until it leaks out of the wall, and then make a new waterproofing painting! In this way, the waterproof quality will be guaranteed! >>>More

It has little to do with waterproofing, it should not be pasted well, and the wall tiles are not easy to fall off, because they are placed vertically.

If the damage is not too large and you can accept it, you can use white cement to smooth it; If the damage is relatively large, then it can only be removed and re-pasted.

For the sake of aesthetics, it is generally paved from the door to the inside, that is, the whole floor tile is placed at the door, and the half brick or cut floor tile is placed inside against the wall. >>>More