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Anonymous users2024-01-23There may be the bottom of the floor slab, when pouring concrete, it is not cleaned up, there is garbage, and a loose impurity layer appears on the bottom surface of the concrete, or it may be a local cavity of concrete, and the mortar of the moistening pump pipe that exists at the first filling place when pouring concrete is not excluded, and is directly hit on the floor, because the mortar coexists with water, so the strength may be low, so that this phenomenon is formed.
It may be possible to see the situation by culling.
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Anonymous users2024-01-22In the process of cast-in-situ flooring, the cement is not marked enough, or the wood is washed with water?
The base layer is haired, drenched and drenched and then dried for a while, and then tiled!
Due to the aging problem, the plastic steel door is being eliminated. If you want to change it, use aluminum (titanium) profile doors.
You can find a team with a high level of waterproof and plugging technology to help you plug leaks from downstairs or upstairs. Minimally invasive plugging techniques are generally used for high-level leak filling. After plugging the leakage, it is basically impossible to see that there is any decoration damage. >>>More
That could be a problem with the floor drain in your bathroom that doesn't isolate the smell.
Generally speaking, the upstairs decoration will not cause damage to the wall of the downstairs bathroom, unless there is a serious violation of the demolition and alteration of the structure upstairs, and the downstairs tiles are cracked, it is recommended to check whether there is a hollow drum first, most of which are caused by the hollow drum in the tile paving.