We have the problem with the dripping sound. Whenever we turn on the hot or cold water on in bathroom on the first or second floor, we can hear the dripping sound behind the wall. Usually lasts 5 min after we turn off the water. We checked all walls. Couldn't find anything. Not sure if should we spend money for plumbing inspection. What could the reason be for this dripping sound?
Plumbing – What could be causing a dripping sound inside the wall
plumbing
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Best Answer
Often this isn' t a drip at all, but pipes moving due to thermal expansion and slipping in their supports. If it doesn't happen when you run COLD water, that's almost certain.