Hi guys,

Just working through a new design and trying to figure out the best floor to cieling height, and underside of roof truss...

I work it out as...
10mm under bottom sheet...
Bottom sheet width 1200 or 1350...
Top Sheet width 1200 or 1350...
10mm above top sheet...
Ceiling board thickness 10 or 13mm
Ceiling batten 22 or 30mm
Then obviosuly underside of roof truss..

Are these the normal gap allowances? or is the roof/ceiling join a "tight" corner?


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