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Old 12-28-2013, 10:55 AM   #1
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copper pipes


Replaced drywall ceiling that has hot and cold copper pipes notched into the bottom of the ceiling joists. Went to install new drywall and pipes are below the ceiling joists. Not sure if it was like this before. The pipes move some but not enough to get past the ceiling joist.

1) Does the hot water pipe get hot enough that it should not touch the wood or drywall? Also, cold water pipe ok to touch wood and drywall?

2) Reworking the copper pipes would be a fair amount of work. Can the drywall be put back up touching the pipes? Will the pipes develop a leak?

Thanks.
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Old 12-28-2013, 11:03 AM   #2
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Got a picture?
Floor joist should not have been notched.
Pipes should not be touching the sheetrock.
Going to need to add nailing plates and shim down the joist.
Another way is to replace the copper with Pex and drill holes in the joist to run it through.
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Old 12-28-2013, 11:22 AM   #3
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My basement was built with the copper water lines notched in the joists and sheet rocked over just like you are talking about and we never had any problems. When I renovated the basement I did replace everything with pex and drilled holes through the joists to get the lines up off the ceiling. The hot water lines don't get hot enough to cause any hazards and it's ok to for the copper to touch any non-metallic objects.
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Old 12-28-2013, 11:29 AM   #4
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It's the condensation on the cold pipes in contact with the paper backing, and the sound of water running through the pipes in direct contact with the rock acting like an amplifier that may cause issues.
Because someone else did it does not make it right.
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Old 12-28-2013, 11:44 AM   #5
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I dont have a picture.
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Old 12-28-2013, 01:33 PM   #6
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A copper water pipe for hot water should never touch/rest on drywall, as it expands when it get hot and then contracts as it cools. It will wear a way the dry wall.
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Old 12-28-2013, 06:21 PM   #7
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Just fur it out with some 1.5 inch wood.
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