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Garage Foundation Issue

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kirstengantt

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I am stumped!

I have owned a townhome in South Carolina for one year now and we have this continuing issue with the concrete in our garage (see photos below: top was taken 6/25/2019; bottom was taken 3/11/2020). The concrete in this area is constantly damp. It never dries and is always wet to the touch; however, it does seem more damp during certain times of year.

We are pretty sure that hydrostatic pressure is not the issue, because this corner of the garage is connected to our neighbor's garage (it is a townhome). Our neighbor does not have any leak or water source behind this wall. Above the wet concrete is our hot water heater; however, no water is leaking onto the ground. We have laid plastic wrap on top of the wet concrete and it seems that the moisture is coming from underneath. To the right of the wet concrete/ hot water heater is the door to our home. There is no moisture in our house on the wall or floor adjacent to this area, thank goodness! To the left of the wet concrete is a carbon water filter that the previous homeowner installed. I called the company that installed it, and they did not dig into the ground or walls. All of the pipes for the water filter are external and are not leaking.

We have contacted our home repair company (this house was built in 2017) and they thought it was hydrostatic pressure. We have also had 3 different foundation repair companies come out and they cannot figure out what the source of this moisture is!

Does anyone know what may be causing this issue or how to repair it? Thank you!!

2019-6-25 Garage Slab.jpg 2020-3-11 (1).jpg
 

joecaption

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Really strange pictures!
Why would there be what looks like bare ground and what looks like grass inside of a garage?
Why would anyone set what looks like a bench sitting in what looks like mud?
Sure looks like this was not even close to how it should have been done.
 

slownsteady

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My first instinct is hydrostatic pressure, but you say your neighbor does not have this problem. and I don't think it would be that localized.
It also looks like that spot might have been opened up, which may indicate that the previous owners had the same problem, or that someone involved is not telling the whole story (in an attempt to avoid blame?)
I think I would dry it with a fan blowing on it for a few days. Then you can turn the fan off and see where the trouble begins.
 

bud16415

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looks like a water heater or something above it on that stand and the drip tube hanging down. Is the water coming out of that tube when you are not looking?

There also as mentioned been some repair done to that area. :dunno:
 
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