wrote:

One more thing:

The problem I have now is that one part of the new stud wall is running
parallel with the ceiling joists. When I come to plasterboard the
ceiling I'm worried that there will be nowhere to screw the
plasterboard edge too, the nearest joist that I can screw to is about
350mm away. Will this provide enought rigidity? (if thats a word)

Just nail/screw a bit of 2x2" to the side of the top rail and then screw
the PB to that.

--
Cheers,

John.

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