Grouting Pebble Stones in a shower [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile

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Greg H
05-19-2019, 03:22 PM
I am getting ready to build my shower pan. I have a concrete slab home. Once I get my mortar bed and pan liner installed, I will be ready to tile. I am looking to install pebble stone, ( the flat stones), for the floor. I have a couple of samples of the 12" x 12" mesh cards with the stones attached for ease of installation to look at. I noticed that most all of the stones have been set close to each other on the mesh. All of the different stones I see available have the stones set touching each other. I am concerned about how to get grout in between these areas where the stones touch. Will this be a problem later for me with water getting through the stones?

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e3
05-19-2019, 04:15 PM
Grout is not supposed to stop the water thats water the waterprooing is for.. I would slope toward the drain 3/8” pf to help it drain.

cx
05-19-2019, 05:12 PM
Welcome, Greg. :)

What Eric said.

I agree that it is poor that the tile manufacturer has the stones actually touching, but it's not an uncommon situation. Unfortunately, if you cannot get grout in those joints, you'll get something else in there over time and the something else will be less attractive than grout.

But if your shower receptor is properly constructed, you really have only an aesthetic problem.

My opinion; worth price charged.

John Bridge
05-20-2019, 09:15 AM
Hi Greg, :)

Most of the pebble tiles are sold that way, and it doesn't worry me. The most important thing is to make all the sheet separations disappear. It entails removing and replacing tiles around the edges of all sheets. Takes a lot of time, but it's got to be done. We have an article with pictures on the site.

https://www.johnbridge.com/how-to/how-to-tile-a-shower-floor-using-pebble-tiles/