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Wet Basement? Any Idea Where Its Coming From

 
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Old 03-24-2012, 08:17 AM   #1
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Wet Basement? Any Idea Where Its Coming From


Hey guys. I just got down to the basement Friday to start drywall and noticed the foundation wrap was wet. See the pictures below. I dont get where it's coming from. The wall has been open (no vapor barrier) the whole time. I am thinking condensation or something. The spring thaw is happening now so it's concerning to see this wet.

The water seams to only be on the bottom 3-4 feet but on the inside of the house. I would think nothing can penetrate the foundation wrap for outside. We have no water in the house yet ?

Any ideas where it's coming from and how to stop this. I really don't want to close up anything till I know this will not be a future problem.

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Wet basement? Any idea where its coming from-image-2082363327.jpg   Wet basement? Any idea where its coming from-image-3077439325.jpg   Wet basement? Any idea where its coming from-image-4069683779.jpg  
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Old 03-24-2012, 08:23 AM   #2
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Re: Wet Basement? Any Idea Where Its Coming From


judging by that map...i would say that big river

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Old 03-24-2012, 12:50 PM   #3
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Re: Wet Basement? Any Idea Where Its Coming From


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Originally Posted by jamestrd
judging by that map...i would say that big river
Lol. Maybe. *rollseyes*.
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Old 03-24-2012, 01:58 PM   #4
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Re: Wet Basement? Any Idea Where Its Coming From


what kind of framing job is that?
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Old 03-24-2012, 02:02 PM   #5
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Re: Wet Basement? Any Idea Where Its Coming From


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Originally Posted by 3bar
what kind of framing job is that?
The homeowner framed the basement. Tried to keep everything tight as possible. The ledge behind the framing is the underpin.
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Old 03-24-2012, 02:35 PM   #6
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Re: Wet Basement? Any Idea Where Its Coming From


That dimpled foundation wrap; is that on the inside of the foundation wall? What kind of damp/wet proofing is on the outside of the foundation? What is the vapor permeability I that dimpled stuff?
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Old 03-24-2012, 02:38 PM   #7
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Re: Wet Basement? Any Idea Where Its Coming From


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Originally Posted by Morning Wood
That dimpled foundation wrap; is that on the inside of the foundation wall? Yes What kind of damp/wet proofing is on the outside of the foundation? not sure. What is the vapor permeability I that dimpled stuff? Well it's plastic so I would think it wouldn't allow any moisture through it. It also runs down to an inside weeper.
answers above. Lol.
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Old 03-24-2012, 02:53 PM   #8
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Re: Wet Basement? Any Idea Where Its Coming From


I would think that's condensation. Get some air moving.
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Old 03-24-2012, 04:43 PM   #9
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Re: Wet Basement? Any Idea Where Its Coming From


Well I'm no expert...but have you ever had a cold glass of coke on a hot day? Look at the glass, there are lots of water droplets on it. Like Kato said that's condensation, you probably learned about it in grade 5 science class.

So if we have a big heap of frozen earth...like a giant pool of coke filled with ice cubes. Then we had an exposed foundation wall...like a highball glass. We introduce warm humid weather and voila condensation.

Now if you had a layer of insulation around that foundation it would be like sliding your glass in a beer coozie, then you wouldn't see water condense on it.

Solution? Turn on your A/C, dry it out and insulate it.
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Old 03-24-2012, 05:39 PM   #10
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Re: Wet Basement? Any Idea Where Its Coming From


It would seem that the home owner who put the drainage layer on the inside of the foundation, thought it would help the water problem. so my guess is that it coming frome outside.
Always check the outside conditions first gutters, downspouts, grade, water table etc. first.
If it is condensation the water pipes if exposed will show signs first.
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Old 03-24-2012, 05:41 PM   #11
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Re: Wet Basement? Any Idea Where Its Coming From


I work in basement waterproofing, and without seeing the outside of the house ( grade / downspouts / gutters) I would assume just condensation like others have. A dehumidifier couldn't hurt if its condensing that bad.
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Old 03-25-2012, 01:39 AM   #12
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Re: Wet Basement? Any Idea Where Its Coming From


Oooh-kay. That's the wierdest framing I've seen in a while.

The wrap goes on the outside of the foundation to function as a drainage plane.

Inside drains are, in my opinion, a last resort, emergency measure. Moisture issues should be dealt with on the outside.

Without seeing the outside of the structure, further diagnosis is difficult. But if the HO installed that atrocity and called it "Framing", who knows what else was done poorly on the outside. Perhaps, no waterproofing, improper grading, no gravel/drainage plane, gutters discharging to close to the foundation, and on and on.
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Old 03-25-2012, 06:45 AM   #13
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Re: Wet Basement? Any Idea Where Its Coming From


Quote:
Originally Posted by A.T.C.
Oooh-kay. That's the wierdest framing I've seen in a while.

The wrap goes on the outside of the foundation to function as a drainage plane.

Inside drains are, in my opinion, a last resort, emergency measure. Moisture issues should be dealt with on the outside.

Without seeing the outside of the structure, further diagnosis is difficult. But if the HO installed that atrocity and called it "Framing", who knows what else was done poorly on the outside. Perhaps, no waterproofing, improper grading, no gravel/drainage plane, gutters discharging to close to the foundation, and on and on.
The wrap was done on the inside when the basement was underpinned. We've lowered that basement close to 2' also installed was an interior weeping system.

The HO had no leaking issues prior to the underpin. But wanted the inside weeper installed regardless.

I am torn on what the problem is. The downspouts are close to the foundation and the grading outside is pretty good. Looks like its all slopped away. But it's also still a construction site.

I've opened up a few other places throughout the basement and the wetness is everywhere. So I an pretty sure it's condensation. Jus trying to figure out the best fix to minimize this in the future.
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Old 03-25-2012, 06:47 AM   #14
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Re: Wet Basement? Any Idea Where Its Coming From


This is the best I can do for an outside shot
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Old 03-25-2012, 11:30 AM   #15
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Re: Wet Basement? Any Idea Where Its Coming From


The biggest issue in that neighbourhood is the the clay thats against the foundation, when you underpinned how did you seal between the old and new? For the amount of construction you are doing I would have dug the outside and waterproofed/Delta MS/Big 'O' the exterior. It's amazing in those areas on the old houses that the brick footings and foundations are usually right above an underwater spring literally by inches and hold up for the past 60-120 years
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Old 03-25-2012, 01:22 PM   #16
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Re: Wet Basement? Any Idea Where Its Coming From


You can do all you want to the inside to keep water and moisture out, but if the outside doesn't have a drain and something on the foundation walls you're mostly pissing into the wind.

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