What is best sound insulation for PVC drain pipe??
Posted by DavidH on December 16, 1999 at 17:18:23:
I have cast iron drains in my current house. New house has plastic. I understand that the plastic is much noisier. I will put sound batts in the ceiling bays where the pipes are (I routed down pipe through far away closet walls to minimize noise.)

But, what would be the best material to wrap the pipes with? Foam? Fiberglass? Sound mat? [Should have spec'd iron pipe...]


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