Help! my ceiling is leaking...

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Old 02-17-16, 06:13 PM
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Help! my ceiling is leaking...

I have a 2 story house. The ceiling above my living room on the 1st floor is leaking. I opened up the ceiling and there is a concrete. There are no pipes or ventilation ducks I've seen so far. I saw some wet spots on the concrete (it's weird anyway because I saw no cracks). It means the leaking is caused by something inside the concrete and I have no idea what's causing this. and it's leaking even when it's not raining.

Questions:
1. how do I find the cause of leaking on the concrete?
2. Can I fix this by using some material found at a hardware store? How?
3. If I need to call a professional, how much would it cost? (I have to know the market price)
 
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Old 02-17-16, 06:43 PM
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The water is likely running inside the ceiling from someplace else. You need to track down the leak. Can you post a picture?
 
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Old 02-17-16, 07:21 PM
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No I have searched around the concrete. And the water is not from somewhere else. It's on the concrete right on the leaks. Here is a picture. Sorry it's rather blurry. My phone is not good enough for indoor photos.

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Old 02-17-16, 09:12 PM
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Leaking.... a few drops or a steady stream ?
If it's a lot of water..... try turning the water main off and see if that affects it.

It would be impossible for us to give you any type of realistic price quote without at least knowing what is leaking.
 
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Old 02-18-16, 02:37 AM
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What type of heat do you have??? Boiler? Radiant in floor heat?
 
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Old 02-18-16, 06:52 AM
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Do you think it's from a roof leak? Roof leaks can travel many distances.
 
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Old 02-18-16, 08:28 AM
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leaking type... few drops.... I shut down all the pipes and wait for an hour and leaking still continues.... and no it's not from the roof. It's leaking even when it's not raining.

hmmm heater... we do not have a centralized heater. We do have few ACs in every bedroom. We just set the temp to 80F when it's cold.
 
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Old 02-19-16, 08:20 PM
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is there a product can patch a concrete ceiling in horizontal position?
 
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Old 02-19-16, 08:40 PM
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They make a product called hydraulic cement that can be used to seal cement.

BUT..... you can't seal an active leak. No cement will stick with water flowing.
If it's not from rain then there is something leaking that needs to be found. If you were able to seal the leak and the water built up.... you'd have an even bigger mess on your hands.

Is there a bathroom nearby ?
It could be a shower/bath leak.
 
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Old 02-20-16, 06:49 AM
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I had a friend who had a problem with an intermittent drip. I was from a old failed shower pan. I wanted to test the pan theory and stuck a test balloon down the drain into the trap and inflated it. I then filled the shower with water and observed it leaking down below. I drained the shower, asked them to not use the shower to rule out a supply side leak. That area dripped water for well over a week before it stopped, so it may just be residual moisture in the cement that continues to leech out. But we haven't done anything as far as finding the source as of yet here. What is above the area?
 
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Old 02-20-16, 02:24 PM
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This is the 2nd story floor, so a roof leak would be out.
I would say something is leaking inside or directly above the concrete and might be inaccessible. This could be water pipes or a bathtub drain, or a showerpan as Z explained.
 
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Old 02-23-16, 07:56 PM
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There is a guest bathroom next to the living room on the 1st floor. Not on the 2nd floor but on the same floor.
 
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Old 03-22-16, 03:32 AM
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Just an update:
I called a handyman and he drilled the concrete and found no gap nor pipes.

And it's not from the rain because there is no pipes inside the concrete. And it was raining when he drilled it.

he's still in the process of searching the cause of this....

any help would be appreciated....
 
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Old 03-22-16, 10:43 AM
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At this point we're only guessing. A handyman, on site, should be able to determine what the problem is..... although.... a handyman drilling holes checking for pipes sounds questionable.
 
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