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Old 12-11-2016, 08:23 PM   #1
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Water Marks on cement basement floor


Hello,

I'm new to this Home Improvement Forum and I'm looking for some answers concerning my basement floor.
My basement floor has water marks all along the cut sections of concrete and where there are hair-line fractures throughout the basement floor. I even ran my barefoot over these marks to see if this moisture would streak and it didn't.
These marks look more like sweat to me.


I live in Michigan and these moisture marks appeared when the weather turned cold, just recently.

I'm wondering why this is happening and don't have a clue where to begin.

My basement has a sump pump and its walls are made up of cinderblocks.
I sealed the block walls with a kill basement sealer paint quite a few years ago, also.

We also have a dehumidifier running in one end of the basement. It is in the furnace area by the sump pump, and I very, rarely, run my furnace in the winter months because I heat my home with a wood stove.

Well, here you have it. This is everything that I could think of and I hope someone can help me? I hope I don't have an outside drain tile issue, either.

Thanks for the help
Frado

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Old 12-11-2016, 08:43 PM   #2
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Re: Water Marks on cement basement floor


Ground water is "Wicking up" through the cracks.

You might need to have your weeping system checked on.

And re-sealed to direct this water out and away from the house.

Odds are that your sealing the sump, might have caused the water under the slab to not be able to get into the sump well.


ED

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Old 12-11-2016, 09:15 PM   #3
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Re: Water Marks on cement basement floor


Quote:
Originally Posted by frado View Post

I live in Michigan and these moisture marks appeared when the weather turned cold, just recently.

I'm wondering why this is happening and don't have a clue where to begin.




Thanks for the help
Frado
You begin by taking a temperature reading of the concrete in question and comparing it to the dew point temperature of the air near the concrete surface. This in most instances keep you from spending large sums of money un-necessarily.

You can forgo the mint and special cup and substitute a glass cup or empty soda pop can. This was known as the silver cup method of testing dew point so use a silver cup to be right on target if you have one.
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Old 12-12-2016, 10:56 AM   #4
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Re: Water Marks on cement basement floor


Quote:
Originally Posted by SeniorSitizen View Post
You begin by taking a temperature reading of the concrete in question and comparing it to the dew point temperature of the air near the concrete surface. This in most instances keep you from spending large sums of money un-necessarily.

You can forgo the mint and special cup and substitute a glass cup or empty soda pop can. This was known as the silver cup method of testing dew point so use a silver cup to be right on target if you have one.
I think the Julep cup is mandatory...
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