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Old 04-15-2007, 04:48 PM   #1
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Concrete cement wall leaks and paint


What I have: black stained studs, concrete wall with paint and signs of leaks (white powder and disintergration of painted concrete). I have used Xypex on the walls not covered with paint-seems to work well.. To remove paint I need to know a product or method that will not drive the paint into the concrete when it is liquified. The studs I suppose will need replacing as will the plate on the concrete floor ? (although no signs of rot just the black stains).

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Old 04-15-2007, 05:26 PM   #2
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Concrete cement wall leaks and paint


Are the black stains mold?

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Old 04-15-2007, 06:09 PM   #3
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Concrete cement wall leaks and paint


Where is the wall and what is the construction?

Is it a basement wall that was finished?
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Old 04-16-2007, 12:45 PM   #4
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Concrete cement wall leaks and paint


Black stains may be mould start - I ' m treating them as such with wsh down and bleach.
The location of the walls is in the basement - yes it is completely finsihed basement (was) and the walls are concrete 4.5 ft high. The walls that are the subject were behind gyprock that was attached to studs covered on both sides with plastic so there was a small amount of mould starting on the painted concrete that was laying against the plastic. This is the wall that was painted and need stripper.

The bare concrete walls are no problem as I mentioned Xypex is doing its thing but before I can attack the painted wall I must remove the paint.
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Old 04-16-2007, 02:57 PM   #5
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Concrete cement wall leaks and paint


Your biggest issue is to ensure that the area around your house is properly graded and the gutters are not clogged. Otherwise, you can do all the sealing you want, but you won't eliminate the core problem.
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Old 04-16-2007, 03:05 PM   #6
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Concrete cement wall leaks and paint


All that is done - this was an extreme winter for rain and show the weakness in the 50 year old concrete and the coating that was applied 9 years ago. I even had a two foot wide 4 foot deep rim of gravel placed around the foundation when the drain tiles were replaced .. go figure. But teh paint on the concrete is my problem ..
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Old 04-16-2007, 04:17 PM   #7
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Concrete cement wall leaks and paint


Bob, make sure you take care of the mold first. As far as stripping the loose paint, try a wire wheel or cup brush. Go light and be prepared for a dust storm.
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Old 04-16-2007, 05:22 PM   #8
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Concrete cement wall leaks and paint


If you haven't done already, go buy a dehumidifier and drop it down to 330-45%.

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