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-   -   Acid etching and a cementous overlay? (http://www.diychatroom.com/f19/acid-etching-cementous-overlay-50464/)

imola ghost 08-07-2009 10:54 PM

Acid etching and a cementous overlay?
 
Once you acid etch your concrete for putting on a thin cementous overlay. How long after do you have before it needs to be done again?

I thought I was going to get to put an thin cementous overlay on top of my concrete driveway and patio earlier this year but it was about 10-11 months ago. I acid etched it at that time, should I or do I need to do it again before we put the overlay down on Monday?

itsreallyconc 08-08-2009 04:56 AM

many mtls call for different prep methods,,, acid & neutralizing're the recommended steps for our primary mtl, eliteCrete,,, its done for cleaning AND to adjust the pH,,, your best bet's to contact the mtls' manufacturer/distributor for specific advice.

generally, if the job were ours, we'd do it again.


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