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For safety, the suspension bars of the ceiling keel should be connected to the top using expansion bolts. I hope my answer can help you.
If the wooden keel is connected with the wooden keel, use T50; >>>More
Personally, I don't recommend the wooden keel you said, if the living room is humid and easy to get wet, the ceiling is easy to crack, and the keel is on the ceiling, the surface is not visible, self-installed Chinese, but it is a light steel keel with an AIA integrated ceiling, which can be moisture-proof and good, and the room will not rust if it is wet.
It can be used, the key is to install the wooden keel in place and strongly.
No, there is a possibility of shrinkage and deformation after a period of time, and even mildew and rot may occur in a closed environment. Wooden keel as a decoration material must be used within the specified moisture content range.
Agree with Guteron. The key depends on what your needs are.