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Old 03-18-2012, 08:24 PM   #31
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What in the World Are These Holes For???


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How much water flows out and when does it flow?
I'm not sure becasue it only happened because it was raining and I didn't go outside when it was raining. No other time has this occurred and so I will for sure go out and check it out when/if it rains heavy again. But there isn't any other situation that causes this.

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Old 03-18-2012, 10:05 PM   #32
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What in the World Are These Holes For???


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What don't you like, the holes themselves or the fact that there is a water mark appearing to be coming from them? And who would I call to have this looked at, a roofer?
they look like holes in framing called bird blocks air holes , or vents for air flow .
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Old 03-19-2012, 01:38 AM   #33
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they look like holes in framing called bird blocks air holes , or vents for air flow .
I looked up in the attic again and there's no sign of moisture near that area at all. I just wish I knew what the water mark was about on the outside. One of my neighbors has the same water mark, yet his frame doesn't ahve these holes. I just don't get it.
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Old 03-20-2012, 11:04 PM   #34
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What in the World Are These Holes For???


Here's a stretch...... prevailing wind on other side of house letting in moist, humid air through the soffit, rolling across attic, condensing when trying the squeeze through under-vented this side of house, with no ridge vents.... Bird-block gets saturated, runs down- wetting the stucco... Condenses there because other side is in full sun- this side cooler walls (first condensing surface): http://www.buildingscience.com/docum...bout-diffusion

Gary

P.S.- well, never mind, just read previous post.....LOL.
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Old 03-21-2012, 03:14 PM   #35
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What in the World Are These Holes For???


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Looks a lot like eve / soffit venting to me. That Hip to facsia tie in up on the roof could be leaking...and it just happens to soaking the stucco in that location.

Looks like the typical Southern California eve vent to me. Check around the house, do you see it in other areas ? I am thinking roof leak and its just a coincidence the stucco wall is wet below the eve vents in fire block.
That's my thought too. But it is an odd place for water to show up.

A lot of people are talking about bathroom condensation, but here in So Cal, the outside air is dry and fairly warm, so condensation is minimal.
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Old 03-21-2012, 05:28 PM   #36
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What in the World Are These Holes For???


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That's my thought too. But it is an odd place for water to show up.

A lot of people are talking about bathroom condensation, but here in So Cal, the outside air is dry and fairly warm, so condensation is minimal.
The fact the water is showing up around the vented fire blocks may just be a coincidence. Because it is an unusual spot for a leak of any type i would suspect the roof first also because the op says only when it rains does this appear.
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Old 03-21-2012, 05:53 PM   #37
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What in the World Are These Holes For???


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Because it is an unusual spot for a leak of any type i would suspect the roof first also because the op says only when it rains does this appear.

Take a hose up on the roof in the area above the leak and let the water run for 20 minutes.....see if water leaks from the underside of the overhang
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Old 03-21-2012, 06:43 PM   #38
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What in the World Are These Holes For???


i don't think the homeowner should be getting on his tiled roof...with a hose
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Old 03-21-2012, 06:50 PM   #39
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What in the World Are These Holes For???


The edge of the high roof seems to line up with the water mark. I don't know how that roof slopes but I would bet it has something to do with that.
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Old 03-21-2012, 06:51 PM   #40
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What in the World Are These Holes For???


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i don't think the homeowner should be getting on his tiled roof...with a hose
Agreed.

Looks like a lot of roofs in OC, if thats the case i would offer to look at it no charge. I work for a roofing company in OC.

A lot of roofs in So CA are a single layer of 30lb under heavy tile like that, no idea how they got away with it.

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Old 03-21-2012, 07:07 PM   #41
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What in the World Are These Holes For???


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i don't think the homeowner should be getting on his tiled roof...with a hose
The homeowner should consider your thoughts vs. trying to find the source of the leak
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Old 03-22-2012, 02:51 PM   #42
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What in the World Are These Holes For???


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That's my thought too. But it is an odd place for water to show up.

A lot of people are talking about bathroom condensation, but here in So Cal, the outside air is dry and fairly warm, so condensation is minimal.
Well again, the same thing happened on the other side where there's no b-room
Which seems strangeley coincidental.
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Old 03-22-2012, 06:07 PM   #43
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What in the World Are These Holes For???


As others have noted, they are definitly soffit vent holes - california style My house has them too (LA Area).



I've also seen similar water marks on the stucco certain in areas around my home after the rains. It often appears on the side of the house that the wind was blowing from. It seems to concentrate in some places - like you are seeing. Perhaps the stucco is more porus in these areas? - or maybe there is less insulation in the wall there so there is more condensation on the stucco? I don't know for sure, but I can tell you I've seen at my place too but it hasn't caused any problems - house is 11 years old.
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Old 03-22-2012, 09:14 PM   #44
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none that you know of,stucco can be sneaky stuff sometimes
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Old 03-22-2012, 09:49 PM   #45
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What in the World Are These Holes For???


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As others have noted, they are definitly soffit vent holes - california style My house has them too (LA Area).



I've also seen similar water marks on the stucco certain in areas around my home after the rains. It often appears on the side of the house that the wind was blowing from. It seems to concentrate in some places - like you are seeing. Perhaps the stucco is more porus in these areas? - or maybe there is less insulation in the wall there so there is more condensation on the stucco? I don't know for sure, but I can tell you I've seen at my place too but it hasn't caused any problems - house is 11 years old.
Interesting, thanks for the input.

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