Chris Bacon wrote:

Its pretty badly bowed which seems to sugest that the l&p has come
away from the joists (in fact it looks like the celing rose is holding
it up!)


That'll strain your plasterboard fixings...

You could counter batten it first, and fix those with more serious
screws to pull the L&P back into line. The fix the PB to the counter
battens.


--
Cheers,

John.

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