AdamThat 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.
On Fri, Oct 28, 2011 at 4:41 PM, Stone and Tile PROS <admin@stoneandtilepros.com> wrote: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?
Grout is non sanded and lines are 1/4" wide, 1/16" to 1/8" deep. Grinding deeper will take too Much time and I really don't think it make sense. Any suggestions?Question from Adam Bartos / BiO Tile
--Deborah ShawStone and Tile PROS, Inc.
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Frederick M. Hueston PhD
www.stoneforensics.com
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