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Old 01-18-2013, 10:08 AM   #1
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Dripping noise from ceiling

Hi Everyone !

I"m new to home ownership and I've just moved into a new home about 6 months ago.I just noticed when the sink in the bathroom on the 2nd floor is being used, I hear a dripping noise on the ceiling on the first floor. I can only hear it when its quiet so its probably been dripping for months. Strange part is there is no water stain on the ceiling and no water dripping from the ceiling. I also figured out the drip noise comes from the supply and not the drain. I poured a bucket of water down the sink - no drip noise. I turn on the faucet - then I hear the noise.

I guess I have to call a plumber for this but is there a way to gauge the exact pipe in the ceiling before doing this? Why is there no water dripping from the ceiling and no water stain? I have sheet rock ceilings so its weird that no water stains are there. My ears tell me there is a leak but I can't actually see evidence. Its making me crazy
Any advice??


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Old 01-18-2013, 10:19 AM   #2
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I am not convinced it is a supply leak. Supply leaks on the house side of a faucet are constant because of the water pressure and lack of a shut off valve. If its leaking from the faucet it should be seen inside the cabinet.
More then likely you're dealing with pipe expansion inside the wall. Experiment with different water temps and see what happens


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ben's plumbing (01-18-2013)
Old 01-18-2013, 10:26 AM   #3
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Its probably not dripping, Its probably your hot water line expanding and edging its way through a joist with an inadequately sized hole or a strap that's too tight. Are your pressure lines CPVC? Usually off white? It moves a lot, relatively speaking.

Dont worry, it will stop in about 20 years when something wears down a little. Tic, Tic, Tic, Tic, Tic,..................
" Most people would rather die than think, and most do " Bertrand Russell

Last edited by jagans; 01-18-2013 at 10:31 AM.
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ben's plumbing (01-18-2013)
Old 01-18-2013, 08:43 PM   #4
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agree with e plumber and jagans....most likely expanison...ben sr
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