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Patching drywall

2K views 4 replies 3 participants last post by  83trekker 
#1 ·
I ripout a 4ft high section of drywall from my kitchen to do electrical, i have now put the drywall back in but there is a huge different from the new drywal to the old drwall. Some areas there is a 1/4 lip. Should i build up with mud along the seam to get close to the old drywall than run a layer of tape, then keep smoothing it out? Wall tile is going on so it doesnt need to be perfect but semi level. Thanks
 
#2 ·
83,
If you are saying the new drywall is recessed in comparison with the old drywall, I would measure the difference and cut some wood to make a shim for each stud. Bring the new drywall out so it ends up being flush with the old and then tape. The old drywall sounds like rock lathe and plaster, which can vary but usually is around 3/4" - 1" thick. Try and get the wall in good enough shape as if you were going to paint it, then your tile job will be much easier.
Mike Hawkins:)
 
#3 ·
83,
If you are saying the new drywall is recessed in comparison with the old drywall, I would measure the difference and cut some wood to make a shim for each stud. Bring the new drywall out so it ends up being flush with the old and then tape. The old drywall sounds like rock lathe and plaster, which can vary but usually is around 3/4" - 1" thick. Try and get the wall in good enough shape as if you were going to paint it, then your tile job will be much easier.
Mike Hawkins:)
The old drywall is 1/2 still with 3-10 coats of paint and the new drywall is indented abit along the end for taping if you know what i mean. Not all the edges are 1/4 but some are not sure why.
 
#4 ·
IF you are saying the new drywall is recessed: This is not an uncommon problem between older drywall and new drywall. Although you may have 1/2" in your home and you went and bought 1/2" it may not be exactly the same thickness. I run into this a lot. I use stiff paper (construction paper) or even thin cardboard to shim out drywall that sits back just a little. Staple it to the existing wall studs where needed to make the drywall joints as smooth as possible before mudding. Good Luck, David
 
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