cutting large hole in new ceiling

Postby colinpost » Fri Aug 15, 2008 9:00 am

i need to cut a 10 inch diameter hole in a new bare plasterboard ceiling. Do i cut the hole before or after applying a plaster skim ?
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Simply Build It

Postby kbrownie » Fri Aug 15, 2008 11:51 am

Hi colinpost,
I'd skim it first just to make it easier to trowel up. Seems quite a large hole, so be carefull when cutting look out for joist and nogins plus any cable or piping.
Good Luck
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Postby colinpost » Fri Aug 15, 2008 6:52 pm

i agree with your train of thought. As for cutting out, i've made reference to were exactly the hole is to be - so avoiding known joists. i was just woried that the plaster saw would shatter/crack the new surrounding ceiling skim plaster.

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Postby chris_on_tour2002 » Tue Aug 26, 2008 11:03 pm

the plaster shouldn't shatter or crack if it has been applied properly. use a good sharp hole saw (won't stay sharp for long if you are drilling through plaster all the time!) and go easy. should be no problems. i agree with kbrownie - skim first it will make for a tidier job.
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