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A tree hit our house and made one of the trusses fall somewhat. The structural repairs have been made but I am uncertain how to best repair the drywall ceiling. Originally it was a popcorn ceiling but we had it scraped and skimmed with plaster. Do I use drywall tape and joint compound over the plaster to repair the cracks? Or could I just plaster over the areas that need repair? Or should I chip off the plaster, perform drywall repair with tape and joint compound, then re-plaster?

As you can see, I still need to do some fill in work with the drywall. This picture was just to show the lines where the tape or plaster would need to go.
enter image description here

This picture is an example of how much plaster was used over the drywall. plastered drywall

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This was a nice straight plaster ceiling and I'm assuming you want it to look that way again. I would be sinking those drywall screw to the drywall level, add the drywall to the still damaged area and the plaster over the whole area. If some of the old plaster is loose, break it away first. This should give you a smooth finish to the rest of the wall. I think taping it would be really hard to hide.

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  • Look at the picture closer - looks like a poorly redone texture over drywall, that's been shaved/sanded then mudded. I'd rip it all down and start over...all those screws, that gonzo crack, and how thick the mud is at the pops, is just going to telegraph through anything he lays over it, and probably pop even more. – tahwos Apr 25 at 1:57
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If the room isn't that big I would just throw up some new drywall over your current ceiling instead of fixing that mess. I'm not a pro when it comes to drywall/plaster. I'm actually curious why anyone would intentionally plaster over drywall in the first place.

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