We use a product call In-Ject- A Floor. It’s pretty easy and straight forward to work with. You do have to remove the existing grout surrounding the tiles that are affected or lose. The product is similar to liquid nail. There are tutorials on YouTube that show you the necessary steps on how to use the product. Just another option!

Whenever we have loose tiles, I sell a service to the customer called “TILE EPOXY BONDING” We identify the loose areas then completely dig out the grout all the way down to the mortar. Then mask the area off with 2 inch masking tape double wide on each side of the grout joint so it’s 4 inches out and 1/4 inch down into the joint. 

Then we mix Bondo and press it in with a wide spatula. It then  mushrooms down to solidify the tile. 

Then you must quickly use a paint stick to scrape out all the Bondo you can inside the grout joint BEFORE IT HARDENS Only doing small areas at a time. Then quickly removing all the tape before it hardens. 

The only bondo you need is what mushrooms out and spreads beyond the grout joint. 

Now your tiles are hardened and and solid.  you’re now ready for Grout. 

Everything’s solid again. 

If you’re not familiar with working with epoxy or Bondo you could get yourself in big trouble because of it hardens before your able to clean it out  you’re screwed. 

Digging it out is a miserable process if you’re too late. 

I typically charge $75 a tile. Which is cheaper than breaking out and installing a new one. 

Sometimes we do large floors with a bunch of loose tiles which can go $1500 more or less then we Diamond hone and polish
If you’ve not done this before don’t test it out at the customers house

Tony DeLuna

925-625-9625

www.PatriotStoneRestoration.com

On Jun 30, 2020, at 10:57 AM, Adam Bartos <info@restoreyourtiles.com> wrote:



Fred is right, grout will crack if the tiles are loose.

You can use liquid glue to stabilize them first and then fix grout. 

There is urethane base grout (quartz lock 2) from Bostic that we use in cases when floor is flexing and it helps but it will not work in your case if tile are loose. Also this grout is sanded and will scratch marble.

Adam Bartos 

BiO Tile 

On Tue, Jun 30, 2020, 12:19 PM Fred - fhueston at aol.com (via sccpartners list) <sccpartners@stoneandtilepros.simplelists.com> wrote:

If the tiles are loose no grout is gonna work unless you use silicone and that’s not a very good grout
Sent from my iPhone

> On Jun 30, 2020, at 1:18 PM, Stephen Webb <stephen@newlifemarblerestoration.com> wrote:
>
> Hey all, what is a good grout for areas of semi loose tiles? thank you
>
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