New walls,old ceiling


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Old 04-24-14, 07:40 PM
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New walls,old ceiling

New to the board. My question is I took down my older plaster walls. It had wire mesh on the wall/ceiling joint. I cut the mesh and plaster flush with the ceiling so as to bring the new sheetrock tight against the ceiling. Is this ok to do, shoud I tape it normally?
 
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Old 04-24-14, 09:32 PM
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Welcome, you came to the right place. All the advice you get here is worth what you pay for it.

Is the lath wood or gypsum? How old is the house? Seems like the very inside part of the angle will be a little rough for half inch or so beyond the new drywall. so if for no other reason than to smooth that out tape it. Use paper tape.
 
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Old 04-25-14, 05:51 AM
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Most likely going to have to shim out the studs so the new rock will sit far enough out so it does not leave a gap.
Check to see how flat the walls going to be by pulling a brick string tight across the wall horizontally to see if some need to be planed or shimmed.
It was very common for walls long ago to use green lumber. The plaster leveled out the wall.
Also add fire blocking at the top and bottoms of the walls if it's balloon framing. Seal any gaps at the top and bottom of the walls.
 
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Old 04-25-14, 02:44 PM
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Thanks for the info. guys. The house was built in 1969 it has gypsum boards under about half inch of plaster. I used an angle grinder to cut the mesh/plaster as close to the ceiling as possible. I did not notice any gap. I will probably finish it up with something not as agressive to blend the ceiling.
 
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Old 04-25-14, 03:35 PM
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You should tape it as well, Because it will give sheetrock more grip and will make it more tight against ceiling.
 
 

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