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Sunken Bathroom, What Is Good In The End?

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Sunken Bathroom, What Is Good In The End?

sunken bathroom


Has Your Home Bathroom Encountered Such A Problem?

When you want to change the layout, but the location of the downpipe can not be changed.

If the sound insulation is not done well, or even not done, when the upstairs walking at night, you will wake up.

If the waterproofing is not done well, the place will be full of water.

A sunken bathroom can help you solve these problems. However, it is also determined for all to see.


1、What Is A Sunken Bathroom?

The bathroom that is lower than the normal floor (generally descending 30cm-45cm) is called a sunken bathroom, also called a caisson bathroom, and belongs to the “same floor drainage”.

To put it bluntly.

The traditional bathroom has the function of compartmentalized drainage. The neighbor’s drain is on the ceiling of your house. A sunken bathroom is a co-located bathroom. Your own drain is on your own floor and then backfilled with the material.

toilet 1


2、Is It Better Than A Normal Bathroom?

From The Aesthetic Point Of View

In a normal bathroom, the pipes are on the ceiling of the next floor, which is very unattractive.

The sink-type bathroom avoids the disadvantage of having all the pipes exposed on the ceiling. It collects the pipes under the floor.

However, I think: the sink type has to be filled, and the ordinary sanitary will also be suspended, so there is not much difference in terms of aesthetics.

From The Practical Point Of View

  • Waterproof performance is better.
  • There is no noise, and it gives you a quiet sleeping environment.
  • If it is the same level of drainage, you can arrange your bathroom as you like without worrying about drainage.

Waterproofing In The Bathroom

  • For the waterproofing of ordinary bathrooms, except for the main drainage pipe, other pipes need to be perforated in the floor slab. This is easy to seep and troublesome to repair.
  • Waterproofing a sunken bathroom only requires the main drainage pipe to be perforated in the floor slab. When you do the basic waterproofing work, then fill and lay cement slurry. This makes the waterproofing performance very good.

In Terms Of Cost

A sunken bathroom is more expensive in terms of renovation costs.

This is because the construction of co-layered drainage is more complicated than compartmentalized drainage. After laying the pipes to backfill, the cost of this part is quite substantial.

bathroom 3


Backfilling used to be done with construction debris, but there are a lot of sharp edges in construction debris, which can damage the plumbing. This part of the money should not be saved.


3、Things You Care About Sunken Bathroom

Can An Ordinary Bathroom Be Converted Into A Sunken One?

No! Only the developer can decide whether a sunken bathroom can be done.

Will The Sunken Bathroom Affect The Height Of The Floor After Backfilling?

It will definitely affect a little, but not significantly. If the developer builds the house with a sunken bathroom in mind, then there will be a difference in the height of the floor in the first place.

Sometimes people cover the pipes for the aesthetics of a normal bathroom. In this way, the floor height will be affected. Because the pipes are backfilled, the ceiling of a sunken bathroom will only serve a decorative purpose.

There is basically no impact on the height of the floor.

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