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Water leak on the side of the house - where is it coming from?

Water leak on the side of the house - where is it coming from?


  #1  
Old 12-06-14, 11:19 AM
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Water leak on the side of the house - where is it coming from?

When it rains heavily, water leaks from the ceiling on the lower floor, near the middle of the wall. Here's some pictures of the leak below on the floor below:

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Immediately above it is a balcony with a patio sliding door, and the sliding door recesses into the wall. The leak spot roughly corresponds to where the sliding door ends, but that may be a coincidence:

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The exterior is wood paneling:

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The exterior near where the leak occurs appears unremarkable:

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I'm not sure where to even start to diagnose where the water comes from. I know it can travel quite a distance. I've tried shining a flashlight into where the patio door recesses to try to see what's going on, but it's too narrow without some kind of tool.

Finally, in the second picture you can see a blue tarp I set out on the bottom half of the exterior wall. That seems to have stopped the water intrusion, but I won't know for sure until the next hard rain.

Thoughts on what to look for or how to diagnose what might be going on?
 
  #2  
Old 12-06-14, 12:19 PM
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A few rules, but we can not see from the angle in the third picture where taken if they apply.
Siding and sheathing should be about 6" above any grade.
Door openings need to be at least 2" above grade.
 
  #3  
Old 12-06-14, 12:31 PM
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The third picture is the exterior on the top floor; the leak is at the ceiling of the bottom floor. So, the picture is taken standing "a floor" above ground level, on the balcony. I can take a picture standing further outside the house if that would help?
 
  #4  
Old 12-06-14, 02:14 PM
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A pic showing the side of the house could be helpful. Does the patio drain ok? or do you get standing water?
 
  #5  
Old 12-07-14, 10:00 AM
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Here's the side of the house, you can see street level is way below and sloped away from the house:

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The balcony is concrete and drains OK - no standing water. The water is coming in roughly near the middle of the house (red arrow pointing down), and at the ceiling of the lower floor (red arrow pointing right). Note that the house "ends" where the balcony begins.
 
 

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