Agree with Fred-we see this a lot-one of the other causes of this seems to be lack of sufficient(width under 1/16)Joint.
We use latex or 2 part flowing epoxy syringes from bonstone.
The latex seems to work very well.


On Mon, Aug 10, 2015 at 9:27 AM, Fred Hueston (via sccpartners list) <nobody@simplelists.com> wrote:
This email was sent from aol.com which does not allow forwarding of emails via email lists. Therefore the sender's email address (fhueston@aol.com) has been replaced with a dummy one.

There is a reason why the grout has come out and you need to find out why. Here are some reasons

1. The grout was poorly mixed in the first place
2. The tiles are loose and the movement is causing the grout to come out.


If the tiles are loose replacing the grout will not solve the problem.

Frederick M. Hueston
www.stoneforensics.com
321 514 6845



-----Original Message-----
From: Randy Frye <rfrye@comcast.net>
To: sccpartners <sccpartners@stoneandtilepros.simplelists.com>
Sent: Mon, Aug 10, 2015 9:18 am
Subject: Grout question

I have a client with loose tiles and the grout is all broken out. She had some
company tell them that if any loose grout is taken out and put new in that will
secure the tiles and grout will not break out. I have my own opinion on this but
would like to your opinions if you would please.

Thanks
Randy 
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--
Regards,
Stu Rosen
201-446-1200

"EVERYTHING MATTERS"