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Question DetailsAsked on 9/24/2014

There is a large amount of water coming from the weep holes on the left side of my house. Is this normal?

Recently I had the master shower remodeled and had a concrete pan put in. Now, about 2 months later I'm noticing all this water seeping out of the weep holes. Today I noticed that there are even more weep holes with moisture coming out, although not as much as the original two. I'm in the process of selling my home and the inspection is tomorrow. My plumber thought it was due to a leaking shower pan, but when the contractor came out and tested for that it proved to be wrong. Is it normal for a lot of water to come out of weep holes at certain times of the year. This is the first time I've noticed this and I've lived in the home for 18 years.

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1 Answer


Obviously you are not likely to be able to check out these before tomorrow's inspection, and certainly not fix it by then, but here goes anyway - because this is going to have to be fixed before closing if you are honest and don't conceal it.

If you have water coming out of the shower pan weepholes, you have a leak in or into the wall - there should be NO water coming out - the weep holes are there in CASE of leaks into the wall to let out any water that the water barrier behind the tile traps and prevents from getting into the wall, but should not actually ever flow. If you have water coming out of several weepholes, either you have a LOT of leakage through the grout - like probably wide-open highly visible grout joint sections picking up water directly during showering, your water level in the shower is getting too high and flowing into the weepholes, or you have a pipe leaking or remotely possibly a roof leak coming down into the wall.

1) If weeping all the time, obviously a leak in a pipe in or above the wall that is always pressurized. You should be able to hear that if you turn noff all water elsewhere in the house and put your ear to the wall.

2) IF only during and shortly after rain, then roof/gutter problem, or possibly window leaking if you happen to have a window in the shower in that wall.

3) If weeping only during/immediately after shower, try running water into a bucket without getting the shower enclosure wet - a goodly amount like 5 gallons or so total - from shower head and dispose of outside of shower. IF weeps after that but not all the time, then you have a leak in the shower faucet(s) or showerhead riser pipe.

4) could be water running down behind an escutcheon (the decorative doomes or discs that cover the pipes and faucets where they enter the wall, so water is running down the shower tile, in the hole where the pipes are coming out through the wall, then dripping off the bottom of the pipe and down the backside of the tile or past the thinset to the water barrier, down the back of the thinset or mud coat (if you have one) or down the front of the water barrier till it hits the shower pan, then along behind the bottom row of tile till it hits the weepholes. Has to be a pretty good flow tpo be coming out several weepholes - not just an occasional drip.

5) remotely possibly a circuitous route from shower door in behind the tile and along back of tile till it gets to weep holes - check that by pouring water onto inside of shower doors and let it run down into bottom track to see if it comes out the weep holes.

6) Otherwise, there is a leak from shower into wall directly - which would mean the water level in the shower is getting up to the level of the weep holes, or when showering the water is hitting forcefully directly at a weep hole and forcing water in there. To check that, tape over the weep holes with a dab of duct or electricall tape as a "rain shield" - not taped completely tight, just overlying it to keep water from passing INTO the weep holes. Then if they run after running the shower, you have one of the above issues.

Answered 6 years ago by LCD

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