Use gypsum board to do the ceiling, the general life of how long, I always feel inside the rust after the wire will fall, there is no one professional know?
If the ceiling above the seal is good, there is no water seepage, not wet,
Generally use wire hanging crane can be used for 3-5 years. Except for special circumstances.
Gypsum board ceilings generally do not drop to; national standards; as follows:
According to the normal distribution of hanging a general 1 square meter, diameter 6mm-10mm; main keel spacing 300mm-600mm;
Gypsum board and keel connection is self-tapping screws, generally 200mm a fixed;
The project is not in this row;
