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Does concrete need to be acid etched prior to being coated?

April 26, 2017acid Coated concrete etched prior

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Does concrete need to be acid etched prior to being coated?

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A. Only when severely worn or deteriorated. Use AC114, multi-purpose acid cleaner and delimer, diluted at 1:10, and apply liberally. Agitate slightly until bubbles stop forming. Vacuum up all remaining solution and dry thoroughly. Surface should feel like fine sandpaper once finished.