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Old 02-21-2009, 08:43 AM   #1
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PVC Noise


I have a PVC drain pipe that runs from both upstairs bathrooms down inside the wall of the powder room on the first floor.

When water is draining down from either the tub or toilets, obviously you can hear it. Is there a way to "quiet" it up? I will be tearing out the drywall in the powder room in a few months for remodeling, and was wondering if there is something that I can wrap around the pvc pipe to reduce the water noise....or is this just a characateristic with pvc pipe that I will need to live with.

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Old 02-21-2009, 12:44 PM   #2
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PVC Noise


Not much you can do besides replacing it. In high-end homes it is very common to use cast iron to drain 2nd floor fixture groups in the walls of the living areas below. Cast iron is silent where PVC is not.

There are some insulating wraps out there but in my opinion they're not worth the trouble. If you're opening the wall up anyway you'd might as well go ahead and replace the pipe with cast.

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