Question about garage's floor paint
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Question about garage's floor paint
Basically this is what I got. 
Last weekend I painted my garage's floor.
Today, I got little bit of water on in, probably from Mustang's a/c and this is what I got. Paint is pretty much peeling off.
I can't imagine how bad is gonna get once we get rain and snow.
What would you recommend?
Last weekend I painted my garage's floor.
Today, I got little bit of water on in, probably from Mustang's a/c and this is what I got.
Paint is pretty much peeling off.I can't imagine how bad is gonna get once we get rain and snow.
What would you recommend?
Last edited by Red Star; Jun 15, 2007 at 09:11 PM.
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I don't know what kind, its a chemical they recommended at Menards.
I think we used chemicals on Friday afternoon and then pained it on Saturday afternoon.
So are you telling me that we should've done something after we painted the floor?
I think we used chemicals on Friday afternoon and then pained it on Saturday afternoon.
So are you telling me that we should've done something after we painted the floor?
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From what I see . he painted over something and the paint lifted.
Even new concrete has to be etched to accept paint properly.
He should have used Muratic acid.
I he used T.S.P. or equivalent that explains the problem
The concrete has to be COMPLETELY dry before paint
Even new concrete has to be etched to accept paint properly.
He should have used Muratic acid.
I he used T.S.P. or equivalent that explains the problem
The concrete has to be COMPLETELY dry before paint
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Well the thing is paint is not lifted everywhere, just in place where water from Mustang a/c was.
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Post Fiend
Joined: Apr 2004
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From: Lafayette, IN
Part of the problem is that the paint was fairly fresh when the water or whatever got on it. Most paints, even if usable in a few hours or days, do not fully cure for some time after that--weeks or even over a month. During that time, they are more susceptible to water and chemicals.
But, from the looks of that spot, there could very well have been something under that particular area that is off-gassing under the paint. An old oil or chemical spill, or that spot didn't get etched, there are any number of possibilities, including what Dennis said about the floor not being completely dry. Usually, a moisture test should be done in several areas before painting. There are several methods of that, the most common of which is to tape down a 2'x2' square of clear plastic (4 mil or thicker) for 24 hours and see if moisture forms underneatch the plastic. If it does, the concrete is either too green or has too much moisture under it and coming through.
Jason (pro painter)
But, from the looks of that spot, there could very well have been something under that particular area that is off-gassing under the paint. An old oil or chemical spill, or that spot didn't get etched, there are any number of possibilities, including what Dennis said about the floor not being completely dry. Usually, a moisture test should be done in several areas before painting. There are several methods of that, the most common of which is to tape down a 2'x2' square of clear plastic (4 mil or thicker) for 24 hours and see if moisture forms underneatch the plastic. If it does, the concrete is either too green or has too much moisture under it and coming through.
Jason (pro painter)
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