Cut a piece of drywall or plasterboard the same size and shape as your void and attach the piece using drywall screws. Screw the patch into the support pieces (or lath) every 6-12″ so that the patch is securely in place. If you’ve got a complicated and large area to patch, you ...
The plasterboard we advised you to use is designed to soundproof, plus it’s tapered so you can dryline the joints. Yes, you can use a cheaper type of plasterboard but this one makes all the difference when added to the insulation 80mm. Soundproofing Third Step When you screw your plaster...