if its a small hole dri-line a piece of plaster board to the inside and leave set before applying your macthing your artex coat.or cut plaster back to reveil half of the wooden joist either side of the hole and screw up a new board the build out and patch. i do this sort of stuff everyday.sorry i'm busy.
stu
July 2008
a plasterer will b the only one who can fix it
terry
May 2008
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