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tfs
if it an area were its not decorated (beneath the worktop/ behind the untis) its not huge issue but, to overcome this you cut a fillet of timber and put it behind the plaster board so that half is behind the existing plaster board and half will be behind the new.
You screw into the timber through the existing plasterboard, this will hold the timber in place. When fitting the replacement plasterboard you will now have something to fix to.
You screw into the timber through the existing plasterboard, this will hold the timber in place. When fitting the replacement plasterboard you will now have something to fix to.