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portnux t1_j2ebvsr wrote

Cut sections of drywall ~3” wide and glue/screw around the hole so that 1/2 of the pieces extend into the hole to support the patch. Then attach the patch, so it’s supported all the way around as well as to the joist. Then finish it out.

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jrab3717 OP t1_j2eclbe wrote

There's nothing behind the edges, where you see screws are where the joists are

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buildyourown t1_j2ee4ju wrote

If all 4 sides of your patch are supported, you are good to go. Use setting mud, and fiberglass tape for your first coat.

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