In the living room on the first floor, the ceiling is not moldy, but the wall near the ceiling has m

There are two possibilities, one is water leakage, in the case of water leakage, the water flows to a low place, so you can't see the water upstairs, and it is normal for the downstairs to be wet, and the other is that there can be a return to moisture, and the water condensation in the air is more common in the four corners! We do not do engineering, but we can provide hands-free professional technical consultation on concrete waterproof leakage remediation.

It's not like a water leak. It's like condensation, because it's very superficial. It shows that the room temperature difference between the inside and outside is large, and the doors and windows are well sealed.

1. Determine the location of the water leakage, ask the upstairs how to take the waterway when decorating the upstairs, is it the underground laying of water pipes? Trachoma may occur. >>>More

Not necessarily.

In general, the ceiling of the living room of the rough house will be a little higher, and the ceiling of the bedroom will be relatively low. >>>More

It must be that the live wire and the zero line have touched together, that is, there is a short circuit, and there should be a large movement at this time, and at the same time, the leakage protector will trip, and it will snap. As for the smell of burning, it is probably caused by the burning of wires, and because it is a flame retardant material, it is not fully burned.