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annab6_gw

Soundproofing pipe from 2nd floor toilet - what to use?

annab6
15 years ago

I am more of a lurker here but need to ask for an advice regarding soundproofing. We have two new bathrooms just built as part of the 2nd floor addition both located above the kitchen and living room. We had one there before but it had an old cast iron pipe which was very quiet. The new PVC pipes, even though insulated (using regular insulation), make way too much noise when someone is flushing. I thought when the ceiling is closed it would get better but now it is all sheetrocked and still very loud. Unfortunately, our contractor is not familiar with any soundproofing materials. Please help!

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