So could I go 4 x 2 on top of existing and then 4x2 cross bracing those? i can 270mm insulation in then 170mm with original joists and 4x2 on top and then 100mm running across between cross bracing 4x2. then loft boards on top of that
Will weight be an issue?
Hi All
I Have a 1930’s property semi-detached, and we have just had a new roof installed, we had the old tile with torching on the back that was crumbling everywhere.
Currently the ceiling joists span 7.7m and are 70mm x 50mm with a couple of cross braces that span the 5.5m and are 100mm x...