FLAT ROOF
Can anyone help me to work out what size firing strips i need to get an 1 in 80 fall over 6 mts.
(Just to confirm i am using3 layers felt/18 mm ply/ firing strips/joists/installation between joists/plater board/plaster)
Thanks for many help you can give.
Regards
Barry
Can anyone help me to work out what size firing strips i need to get an 1 in 80 fall over 6 mts.
(Just to confirm i am using3 layers felt/18 mm ply/ firing strips/joists/installation between joists/plater board/plaster)
Thanks for many help you can give.
Regards
Barry