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Pristine-Today-3079 t1_iyb1k1f wrote

Reply to comment by FandomMenace in How to fix hole in plaster? by elysiansaurus

I think that it would be easier to buy a 4x8 sheet of 3/8" drywall and cut it to roughly fit in the hole. Screw it in and mud on top (more labor, harder to mess up), or shim it out so that you just mud the joints (requires a bit of skill, but isn't too difficult).

Edit: Mudding the joints involves joint tape. If you want to match the texture, peel back a few inches of the existing texture so that you can tape from the old to the new...

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elysiansaurus OP t1_iyb2hl5 wrote

This is what I was thinking was the easiest solution, but wasn't sure how it would look.

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elfman t1_iyc0bti wrote

If you go this route, don't use pre-mix plaster.

It'll shrink like crazy! :)

Go for the 30-90 minute powder you have to mix. Watch some YouTube videos. :)

Edit: Powder you have to mix yourself. Pre-mixed dries out and shrinks. Freshly mixed 'mud' will cure and retain it's shape. It's also a lot more durable when cured. (But. you're still gonna need more than that to cover this depth. :)

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Fryphax t1_iyc44tb wrote

It will not ever look right. Patch it for practice until you can fix it proper.

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FandomMenace t1_iybe3my wrote

Which is why your way sucks. Matching will never happen because they aren't the same material. Plus you have to screw it into studs. I've knocked out whole sections of buckled plaster and done this. It works perfectly and matches 100%.

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