Changing the bathroom floor tiles did not destroy the waterproofing and redo it?

You first plug the floor drain with plastic and add something, block the door with sand or something, inject water into it, look at it yourself, is to test your waterproof layer leakage or not, after 24 hours of water storage, go downstairs to see if there is a leakage, if not, you don't need to do waterproofing, because you have to do waterproof to get rid of the floor tiles, it's too wasteful, say hello to the downstairs in advance, there is a possibility that the floor drain is exposed, if that, solve the problem of floor drain, if there is no leakage at the beginning, about 10 minutes can be, Then look at it in 24 hours, and then solve the problem of floor drain.

The problem of floor drain is to buy some plugging king, 8 pieces of generation, mix it with water, mix it with 1 or 3 generations first, because he dries quickly, so hurry up, wipe it around the floor drain, wipe it evenly, flat, press the floor drain up, as for your brick, you can also paste it with it, do it yourself, I don't know if you understand. If you have more questions, you can click on ID to consult.

Was there any water seepage downstairs before you changed the floor tiles? If the sand and ash layer is not removed, it is still possible to do without waterproofing.

This is waterproofing just in case, you can not do it. Specifically, you can do a water test experiment and spray water on the wall to see if there is any leakage. If there is a watermark on the opposite wall, then it is time to do it.

The walls remain wet for a period of time, for a specific time of 2-3 hours. Just spray water into the wall with a hose every once in a while, just don't let it dry out.

Knock off the tiles in the bathroom and redo the waterproofing, and it is recommended that the waterproofing also needs to be redone. Because now pasting tiles, there are two commonly used methods, one is to paste tiles with traditional cement mortar, and the other is to paste with special tile adhesive. No matter which one of them, the construction is directly in contact with the waterproof layer, and the bonding is relatively firm, and the waterproof layer will be affected to varying degrees when it is removed, so it is better to redo the waterproof for the sake of insurance.

Bathroom waterproofing, it is recommended to use a special kitchen and bathroom waterproof slurry, it is specially developed for the bathroom easy to seepage yin and yang corners, pipes, sanitary ware, floor drain periphery and other places, using the first key parts of the repair and then the overall waterproof concept, and then with the standard construction waterproof effect is better.

For the sake of insurance, it is still necessary to do waterproofing, waterproofing is very simple, if it is because there is no waterproofing that leads to water seepage, it is very troublesome to reverse repair.

If you're worried, do it again, but it's troublesome to redo it later.