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Author:
diyer2015 (NY)
Hi all, I have a leak that I'm pretty sure is coming from the copper pipe in the wall/floor that is feeding a 2nd floor toilet. I shut off the valve at the toilet. Everything at the supply line to the toilet is completely dry and I'm pretty sure the pipe in the wall/floor is where the leak is. I've shut off the valve at the toilet and flushed the toilet. I realize there's probably still water in the supply line so is it just a matter of waiting to see if the leak stops? Is there any other tips or tricks to further isolate the problem?
Thanks much in advance.
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Author:
george 7941 (Canada)
Turning off the toilet supply valve does not relieve water pressure in the pipe in the wall feeding the supply valve. So that is not going to stop the leak if in fact the leak is in the pipe in the wall.
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Author:
diyer2015 (NY)
Thanks. So is there anything else i can do short of ripping walls apart?
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Author:
packy (MA)
you have to find and fix the leak. you can not do this without opening up the wall from either the bathroom side or the other side of the wall
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Author:
srloren (CA)
Can you go under the house to see if water is leaking at that wall, if so you will need to remove drywall covering the wall to fix the leak. If you can't get under the house (Slab floor) it is a crapshoot but if you can see any water or moist spots it will help you determine where to start removing drywall. Many of these type leaks are where the copper passes through a drilled out hole at the double plate top of the wall or single plate bottom of the wall. Look for drywall screws or nails, with a magnet, (Home Depot has one that helps locate studs) where the pipe passes through the drilled out holes. I would start there first before you start tearing out drywall. See if you can measure from the side wall where the toilet water is coming up into the second bath, check the wood plate that the drywall attaches to where the watger comes through from down stairs. If not nail or screw, go down stairs and check near the ceiling (3" from the ceiling down where the water pipe it in the wall. You can poke a screw driver and feel for the copper water pipe to be sure you are in the right place. Easy patch for small hole. Check the bottom plate in the wall to be sure there is no screw or nail in the pipe. If you find a nail that is in the path be prepared to shut the water down immediately when you remove the nail or screw because that is all that is keep it from being a gusher. All the best.
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Author:
KCRoto (MO)
OP said second floor toilet, so he may need to take out a piece of ceiling in the room below to access the pipe
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