Adam<div><br></div><div>That is a concern,,, most grout is going to require a minimum of 1/8 inch to bond properly..You can try using a 100% a latex additive for added bonding strength. I would suggest you try this is a small test area first. Otherwise you will have to remove some of the grout to get a good bond.<br>
<br><div class="gmail_quote">On Fri, Oct 28, 2011 at 4:41 PM, Stone and Tile PROS <span dir="ltr">&lt;<a target="_top" href="mailto:admin@stoneandtilepros.com">admin@stoneandtilepros.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div>We are In the middle of delipping marble floor and after finishing grinding with metals grout in some places is already flush with the tile but in most places little  below. I was planning on filling it up with the grout Mixed with latex but I have concern about new grout Bonding to the old one.  Did anybody had problem with that?<br>

Grout is non sanded and lines are 1/4&quot; wide, 1/16&quot; to 1/8&quot; deep. Grinding deeper will take too Much time and I really don&#39;t think it make sense. Any suggestions?</div><div> </div><div> </div><div>Question from Adam Bartos / BiO Tile<br clear="all">

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