Double layer 12 thick fire gypsum board + C100 light steel keel wall fire resistance time limit can reach 2 hours
Can be achieved, the key is the quality of fire gypsum board, fire gypsum board fire resistance are generally in the two hours above the key is the quality
Can be achieved, gypsum board factory is to provide test reports, you report the test to the fire department, so that they come to the acceptance on it. If you can not reach it, you can consider putting firewood in the middle of the sandwich.
Building Fire Protection Design Code Schedule 8 in the corresponding provisions
