Is it better to overhead or backfill the secondary drainage of the bathroom at home?

The best way to drain the toilet is to use the backfill method, and this is the most commonly used method on the market at present.

Generally speaking, the secondary drainage of the bathroom is used in the sunken toilet, and now most of the newly developed communities are sunken toilets, which are not as troublesome as ordinary toilets. The toilet and bathtub of the ordinary bathroom are fixed, and the owner needs to arrange the drainage pipe by himself, which is particularly inconvenient. The sunken bathroom solves these problems very well, even if you feel that the position of the toilet is not satisfied, you can move it at will, and it will not be as big as before.

>But this kind of toilet we must do two waterproofs, although the bottom of the caisson has been waterproofed once, but if there is no secondary waterproofing, the water level will still cause dampness. After the first waterproofing is done, you should also remember to do the second time, then arrange it with bricks, cover the steel wire mesh, and finally the backfill material, and then add a layer of cement slurry and waterproofing to complete it And the material of the backfill is also a matter of opinion.

> some people choose to use construction waste, because its price is relatively cheap, but the weight of construction waste is large, which is likely to cause heavy force on the floor slab and cause the floor slab to crack. Therefore, the backfill material used by many people in the market is ceramsite, because the ceramsite itself is very light, and no matter how much it is used, it will not cause pressure on the floor. Moreover, ceramsite has the effect of water absorption, and it is easy to become damp in the bathroom because you have to take a bath every day.

> it is better to use ceramsite to absorb water, and it is easier to work with than other materials, such as construction waste, when it comes to repairs.

The secondary drainage of the bathroom at home is best to use backfilling, which is easier to deal with!

Let's go directly to the air, there will still be stagnant water if you backfill, and it will be troublesome to disassemble it if there is something not done inside.

I think both have drawbacks, the waterproofing inside the overhead is done well, the upper layer of water leakage will not flow down, it is easy to smell inside, and the backfill waterproof is not done well and it has to be excavated off.

I think it's better to be overhead, because it can effectively prevent moisture.

It is best to use the method of backfilling, and choose ceramsite backfill. Because the overhead is easy to get damp and smelly.

Personally, I would suggest that it is better to be overhead, because it will be easier to drain water.

With the way of backfilling, it is more troublesome to overhead, and backfilling is easier to handle!