concrete acid wash finish


Old 09-23-05, 07:56 PM
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Question concrete acid wash finish

I saw a concete finish that was acid washed with muratic acid. It gave a soft look to the finish. Could anyone tell me the procedure for this.
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Old 09-24-05, 11:16 PM
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What do you mean a "soft look to the finish"? Was the concrete stamped or colored? What kind of "finish" do you mean?
Old 09-25-05, 07:32 AM
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concrete finish

The finish looked like a corian countertop.
Old 09-25-05, 05:25 PM
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Wink concrete finish

Well I figured out how to do it. I had just poured a new concrete patio and wanted a finish that I had seen a couple years ago. I waited two days and then washed the finish with muratic acid. If you do this be prepared to deal with fumes. I would only do it outside. After scrubbing the surface with muratic acid and a long handle brush I hosed all the acid off. I then scrubbed the concrete with another very stiff brush to remove the remainder of the top finish. What is left is a soft sand look. I then put two coats of a wet concrete sealer on the finish.What I have for a final finish is a wet look that glistens the different colors of the sand in the light.

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