Double layer 12 mm thick calcium silicate board with what keel ceiling
Double 12mm is not suitable for the ceiling, hanging ah,
With the main keel of 50 and the vice keel of 50. Anyway, you buy such a set on the line.
Brother may be the reason I have not done such a project I think you will not hang up at least it is at least dan chu commander dagger to see the color of color Chang Ji light steel keel there is even hanging up your plan is how long? You should also know that the weight of an estimated 80 pounds also if it is 60 * 60 his thickness is not so thick will not be very recommended to use this, if you have to use the big board you'd better go to consult the master. There are large board ceiling I use the thickest is 0.8 thick look you carefully do not regret when the time ah! The
