Re: EXTREMELY NOISY CAST IRON DRAIN PIPES !!!
Posted by Terry Love on June 07, 2004 at 03:30:09:
In response to Re: EXTREMELY NOISY CAST IRON DRAIN PIPES !!!

Jeff,
If the tub also makes a racket when it drains, then maybe you have plastic pipe.
Most new homes have plastic, not cast iron.
ABS is black, PVC is white.
Without going into the walls, it's a bit tough.
They make a tape that reduces noise that can be applied.
The wall cavity can be insulated too.
However, most drains for the toilets are 3" ID with a 3.5" OD.
Figure about 4" on the hub of the fitting, which the drywall bends around to fit on the wall.
Anytime you have drywall touching the pipe, it will be louder.
Terry

: There seems to me much more noise in the vertical cast iron pipe than in the "horizontal" portions in the basement. What are some causes and solutions

: Thanks!!!




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