It's gyprock and it's loose in the middle as if the glue has come away from the studs. You can push on it and it moves about 1mm. The problem…

Hi all,
Can anyone tell me the best way to fix loose plasterboard? Do I just renail it and plaster over them? Or is there a better method?
Cheers,
Nobba.

Hi all,
Does anyone know how to work out a ballpark figure for an extension? Looking at doing a dining/living room approx. 8m x 6m in brick vineer, single gable tile…