Wet Spot on the bathroom floor


  #1  
Old 11-04-04, 03:02 PM
Judy Nam
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Wet Spot on the bathroom floor

I just had floor redone on one of my bathrooms. Used to be linoleum so hired someone to place tiles. In order to place tiles, the contractor first rip out the linoleum and exposed the plywood layer underneath. He discovered a wet spot at the corner next to bathtub. This corner shares the wall where water line runs to showerhead.

The wetspot is at the same spot where the previous owner had to patch up linoleum due to water leaking from poorly installed shower door which happend more than 10 years ago. This is what they claimed so not certain whether the shower door is at fault.

We noticed lots of ants all along in this bathroom and after exposing plywood layer and placing a fan in order to dry it we noticed tons of ants appearing from somewhere in the tub.

My question is whether the wetspot is caused by the poorly installed shower door or a leak in water line?

Is there a way to determine exact cause and what's the consequences if we do nothing?
 
  #2  
Old 11-05-04, 01:07 AM
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Shutting the water off to the shower and keeping water from going through the water lines leading to the fixture will let you know in a few days if the water lines are the source of water.


From the way it sounds..........the more you expose in that area, the more you are going to find out that there is ongoing damage, and total removal of this area around fixture would be your best investment to correct the problem.
 
  #3  
Old 11-05-04, 09:49 PM
Judy Nam
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wet spot on the bathroom floor

unfortunately the wetspot is now covered with the tiles so we can't test the method you suggested. Can you think of any other way to deal with this issue?
 
  #4  
Old 11-05-04, 10:06 PM
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To see if this a water supply line leak, turn off all water faucets in the house, and look at your water meter leak indicator. It will be a smaller dial or more lkely a small triangle on the meter.
The triangle wll spin rapidly when water is flowing through the meter when a water faucet is on in the house, and should be at a dead stop when everything is off. If it moves at all, it indicates that there is leak somewhere after the meter, possibly at that shower.
If there is no supply line leak, the shower door or drain line is leaking...probably the shower door as the former owner indicated.
If the floor was rotted, the tile installer should have repaired it.
To see if the shower door is leaking, you can dry the floor, lay a paper towel in the leak area, run the shower with somone splashing water on the door, and see if you can stop the leak.
Good Luck!
Mike
 
  #5  
Old 11-06-04, 06:21 AM
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Those little triangles that are supposed to move when ANY water is moving through the meter don't always work. I had an out side faucet leaking and water running down the outside wall and the meter showed nothing. Fixed the leak and the next water bill showed 400 gallons less usage.
 
 

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