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Old 01-23-2013, 11:15 PM   #1
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Water from weep holes in vinyl siding?


Under what conditions would this be considered normal? I have drips of water coming from behind my siding in some places and I'm not sure what is causing it. We've had rain recently but I've noticed it without recent rain. It's been really cold here and the the drips/streaks are frozen. Can you guys Advise on this?

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Old 01-23-2013, 11:35 PM   #2
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Water from weep holes in vinyl siding?


Bottom line is... water gets behind vinyl siding, there's nothing water tight about the stuff. Luckily you have weep holes for the water to escape.

The important issue is if all of the prep work (weather barrier, flashing, etc) behind the siding was done correctly and that's anybody's guess from here.

It's pretty easy to remove some panels and inspect the condition of the wall behind though.

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Old 01-24-2013, 03:27 AM   #3
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Water from weep holes in vinyl siding?


What kwik said....

With that said....it could be as simple as condensation condensing...especially if this is happening when it's not raining.
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Old 01-24-2013, 01:28 PM   #4
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Water from weep holes in vinyl siding?


Quote:
Originally Posted by JayBird View Post
Under what conditions would this be considered normal? I have drips of water coming from behind my siding in some places and I'm not sure what is causing it. We've had rain recently but I've noticed it without recent rain. It's been really cold here and the the drips/streaks are frozen. Can you guys Advise on this?
Bottom line is....water gets behind any siding that hasn't been installed correctly.
Since it is doing this when it hasn't rained,I wouldn't be too quick to judge
the integrity of the product or the installers.

If you could post some pictures of the areas that are dripping maybe we could
help with some pertinent solutions.Also if the problem areas face a certain direction.


It does sound like a condensation problem,but finding the source may take some
digging.
A description of the house would help;
Age of house
Siding over old siding or on sheathing.
Type of foundation
Cellar or crawl space-vented or non vented
Insulation in and on walls -with or without vapor barrier
Type of sheathing-plywood/T&G
Humidity level in living space
Framing detail - Balloon frame/conventional,with/without fire blocking

There are a lot of factors that can contribute to the extent of the condensation.
In order to remedy this,more info is needed.
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Old 01-24-2013, 01:30 PM   #5
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Water from weep holes in vinyl siding?


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Originally Posted by ddawg16 View Post
What kwik said....

With that said....it could be as simple as condensation condensing...especially if this is happening when it's not raining.
I was hoping its condensation but I'm not sure if the conditions are right. I don't get much sun on the area I'm noticing it.
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Old 01-24-2013, 01:41 PM   #6
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Water from weep holes in vinyl siding?


The condensation could be from heat escaping from the interior through
the walls.
What are you using for heat?
What's your location?
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Old 01-24-2013, 01:43 PM   #7
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Water from weep holes in vinyl siding?


Quote:
Originally Posted by oldfrt View Post
Bottom line is....water gets behind any siding that hasn't been installed correctly.
Since it is doing this when it hasn't rained,I wouldn't be too quick to judge
the integrity of the product or the installers.

If you could post some pictures of the areas that are dripping maybe we could
help with some pertinent solutions.Also if the problem areas face a certain direction. Problem area faces North


It does sound like a condensation problem,but finding the source may take some
digging.
A description of the house would help;
Single story rancher w/ full basement
Age of house: 13 years
Siding over old siding or on sheathing. Siding over plywood w/ house wrap/Tyvek
Type of foundation
Cellar or crawl space-vented or non vented
Insulation in and on walls -with or without vapor barrier There is insulation, not sure of R value, I doubt any vapor barrier.
Type of sheathing-plywood/T&G
Humidity level in living space Right now its humidity is low - winter time!
Framing detail - Balloon frame/conventional,with/without fire blocking: Conventional

There are a lot of factors that can contribute to the extent of the condensation.
In order to remedy this,more info is needed.
Oldfrt- This is best I can answer to be sure. I am not the original owner so had no knowledge in the building stages.
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Old 01-24-2013, 01:47 PM   #8
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Water from weep holes in vinyl siding?


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Originally Posted by oldfrt View Post
The condensation could be from heat escaping from the interior through
the walls.
What are you using for heat?
What's your location?
I thought this could be the reason. I have oil furnace. Also a cathedral ceiling with recessed lighting. I thought heat could be seeping up through the recessed lights in the cold attic. But not all drips start high on the exterior all.

There are french doors and several windows on this side of the house.
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Old 01-24-2013, 01:56 PM   #9
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Water from weep holes in vinyl siding?


With the problem being on the north side,I'd lean towards using a good
vapor retarding paint on the interior walls as the easiest fix,although
it may not be the solution if other factors are contributing to the
problem.You may also have to find any air leaks here also.
Bottom of baseboards around window/door trim,anywhere you
may feel a draft on a windy day.

Any heat that escapes will contain some moisture,the condensation point
is where it hits the cold.
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Old 01-24-2013, 02:01 PM   #10
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Water from weep holes in vinyl siding?


Here's a link that may help:http://www.buildingscience.com/docum...ot-houses/view

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