Noisy Drain Pipes

[MasterPlumbersKeymaster]

I installed a very nice basement suite in my house and put new plumbing all throughout it. The drain pipe into the basement from upstairs is incredibly noisy – it sounds like a waterfall. The drain is plastic – is there any kind of insullation that can kill the noise?

[wpcParticipant]

You can try wrapping it in a pipe insulation such as a poly foam, if this is still to noisy about the only thing that I see that could help is to replace some of the pvc with cast iron pipe.

[Art_xyzParticipant]

If the drain pipe is in a 2″x6″ stud wall and if the area is VERY dry, fiberglass bats will work quite well.

[Author]

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