Plasterboard support

[b21playa]

Hi all

Had a failed lathe and plaster ceiling in the bay which I’ve removed and planning on plastering boarding. Now the issue is the joists…there are none at the edges, can the board support itself or do I need to think of a way to add timber supports?

Thanks in advance, any advice appreciated

 

[23vc]

Needs more support really, ie noggins. Although looks like coving may have been there before? In which case may get away with it if coving again

 

[b21playa]

Not coving this bit and hasn’t been there since we’ve moved in. There was a pvc trim there which I removed. Does it just need noggins in between the 2 joists or also against the wall?

Thanks

 

[23vc]

I’d just counter batten it ie batten over the joists at right angles to them. Obv would bring the ceiling down by an inch or so. If thats not an option you just need to get the ends nearest the wall/window supported rather than between the joists