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Drywall Thickness

769 Views 3 Replies 4 Participants Last post by  mark sr
I will be patching a large whole that used to be a window between two interior rooms. The drywall appears to be almost an inch thick. I didn't think drywall came that thick. What thickness should I get to fill the open space?


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Looks like you may have a Gypsum board or Rock Lath with a Plaster applied over it.
Just use 5/8" drywall than apply a setting compound over the drywall out to about 1/16" from the existing finish, than use a finish coat material of your choice.
You can use the standard 1/2" drywall, then a second layer of 3/8" to get something to match what you have.
Just use longer drywall screws for the second layer and make sure they go into studs.
I'd use whatever drywall thickness I had handy, shim it to be just shy of flush and then finish with a setting compound.
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