No hope for noisy pipes

Future-Proof: Navigate Threats, Seize Opportunities at ICNY 2018 | Jan 22-26 at the Marriott Marquis, Times Square, New York

Q: Four years ago, my wife and I moved into our smallish condo in a 1950s, 12-unit building in San Francisco. At the time, I was amazed by the fact that there was very little noise coming from our pipes when others in the building ran water, showered or flushed the toilet. That has changed. Now the pipes are very noisy. Over the past few years, several units in the building have been remodeled, including bathrooms and kitchens. New toilets, tubs and showers, sinks and dishwashers have been installed. Could air have gotten in the pipes during the remodelings? Would that make them noisy? And, if that is the case, is there anything that can be done to make it quieter here again? A: This might sound silly, but we think all the remodeling has disturbed the harmony in your building's plumbing system. We know this sounds like Zen, but the truth is that when you mix new pipe and fixtures with original pipe and fixtures, the rate of flow through the pipe changes. We think this is the source o...