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Old 11-06-2011, 09:11 AM   #1
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removing paint


howw do i remove ind. red spray paint off concrete.,outside a storage shed.

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Last edited by harebear; 11-06-2011 at 09:16 AM.
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Old 11-06-2011, 10:13 AM   #2
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removing paint


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Originally Posted by harebear View Post
howw do i remove ind. red spray paint off concrete.,outside a storage shed.
Problem isn't so much getting the paint off concrete, it's getting it OUT of concrete. Concrete is very porous. If it is pretty well cured, I would probably use a angle grinder with a knotted wire cup brush. Will likely leave some marks in the concrete though.

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Old 11-07-2011, 06:00 PM   #3
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removing paint


hydrochloric acid, 30% or more should do it
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Old 11-07-2011, 06:09 PM   #4
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hydrochloric acid, 30% or more should do it
I bet it would
Muriatic acid is a 30% concentrate and that's normally cut 10:1 for etching.
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