First, all kinds of iron in the ceiling must be rust-proof or galvanized.
Second, if the building has cracks, it must be repaired before it can be suspended.
Fourth, all air-conditioning, fire-fighting and related telecommunications equipment in the ceiling must be set up independently.
Fifth, control the ceiling is not flat, construction should be checked through the line, so that the elevation is correct, flat surface.
Seventh, all primary and secondary keels can not be used as construction or other heavy objects suspension fulcrum.
Eighth, on a light frame that has been installed, no one can step on it. Other types of hanging pieces may not be hung on the light frame.
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Suspended ceiling
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