Light steel keel gypsum board bulk density
Light steel keel is better than gypsum board
Not too understand you ask the question, I understand that you ask is not light steel keel gypsum board ceiling can be superior. Mainly to see what kind of main keel, divided into office and can not be two kinds of people.
This is to be considered load ah, first landlord to figure out whether the line load or surface load, and then go to sets of formulas better.
