Home to do a 40 * 40 lamp slot, only a layer of gypsum board, wood panels, wood are not. I installed in the inside of the 2.5 kg heavy crystal lamp, a single layer of gypsum board can withstand the live, I am afraid to fall
Monolithic gypsum board can not bear the load, the lamp should be installed on a special keel or building roof.
Must be done in the light steel keel load, or else waiting for a problem bars
Certainly not a crystal lamp is embedded in the ceiling with iron chain hoisted, gypsum board is not subject to its power, you can pull the bolt in the ceiling screw welding iron hook re-installed, or that day fell to hurt The
