PeterC wrote:
My upstairs ceiling has always had cracks between the boards - not
helped by being so close to the West Coast Main Line! Now that the
line has been 'upgraded' and the lines have rubber pads under them,
it seems to be worth having [another] go. My father spent years
trying to seal the cracks, so in some places there's a build-up of
whatever he used.

I bought a box of dry-wall screws (38x3.5) - having 1000 of 'em I'd
like to use a few.
Tried running some in with the portable drill; went in OK, stopped
just below flush but the edge of the board cracks. Also the joints
aren't all central on the joists, so there could be 3 - 4cm one side
and 2 - 1cm the other.
Before I perforate the whole damned sheet, please advise me on how to
do this. If necessary I'll drill and c/sink the holes.

Have you tried 'jacking up' the plasterboard to meet the underside of the
joists?
http://www.screwfix.com/prods/14003/...-14003#reviews



--
Dave - The Medway Handyman
www.medwayhandyman.co.uk