-
That's too much. After waterproofing, a very thick cushion should be made. Fill with foam bricks, or fill with ceramsite concrete.
-
The bathroom is deliberately left low, but it is a little too low. You can only choose to pad up. After the hydropower renovation is completed, a layer of gravel and cement is paved, and then waterproof is made on top.
-
Make a ceiling for these parts, and hang the bottom surface at the same elevation, the premise is to consider the clear height size of the room.
Summary. The height difference between the bathroom and the ordinary room floor is not 20mm, and the bathroom floor should be 5mm 15mm lower than the floor of the adjacent room. >>>More
Install an aluminum alloy track under you to block it.
In principle, it is generally the same height, and it is also allowed to have a drop, and there is no mandatory standard difference, generally according to the maximum 15-20CM and then it is more difficult.
If it is the size before paving the floor tiles, then the tiles can recover the height difference of 20.
Under normal circumstances, the bathroom is relatively low, which is conducive to the discharge of water, and if the difference is relatively large, you can make a threshold.