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Poor Tile Choice For Shower

 
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Old 08-05-2018, 02:16 PM   #1
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Poor Tile Choice For Shower


I'm on a custom high-end job where the designer chose the tiles throughout (4 showers). I've been able to make the others work out but the floor/ceiling choice for the master is a poor choice.

I think it's a marble about 1/2" thick but there is no room for grout between the two colored pieces. I threw out an option that maybe an unsanded grout MIGHT work but I really didn't think it would work or work well.

first, any opinion on making this tile waterproof for the shower floor?

second, what's a good thinset to attach this to the ceiling? it's much heavier than the typical tile I've been given for ceilings, I'm concerned about it coming down in the future. The backing doesn't allow for good penetration to the stone.
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Old 08-05-2018, 02:55 PM   #2
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Re: Poor Tile Choice For Shower


Unsanded is standard for marble because marble can scratch with sanded grout. Hence the small grout lines.

Seal before grouting.

The shower should be waterproof before tile is installed.

You might benefit from premounting these on kerdi membrane so you can be sure you have good adhesion before mounting to the ceiling.

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Old 08-05-2018, 02:58 PM   #3
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Re: Poor Tile Choice For Shower


An unsanded grout will work.

Ultraflex 2 should be fine.

You might want to make a clear mortar board with acrylic to help set them exactly where you want them.

Last edited by MarkJames; 08-05-2018 at 03:04 PM.
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Old 08-06-2018, 11:36 AM   #4
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Re: Poor Tile Choice For Shower


For what it's worth, I wish designers would actually install the tile the sell. It seems that they always choose the most expensive PITA tile to install. Hopefully you upcharged for this.

As others suggested, waterproofing actually happens underneath the tile.

Interesting thoughts about premounting on Kerdi Membrane. Mosaics often suck to get just right and this might be a good solution.
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Old 08-06-2018, 12:52 PM   #5
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Re: Poor Tile Choice For Shower


The shower is defn waterproofed. Kerdi-Board on the walls and ceiling with a 68" linear drain on the floor.

I'll often install a piece of Kerdi behind my mosaics to build them out flush with the thicker field tile but will try to premount them on Kerdi, then install.

thanks for the tips, that was what I was looking for.

Regarding designers, this one missed the boat on a lot of details and it's frustrating. Fortunately the builder has confidence that I'll make it right.
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Old 08-06-2018, 08:04 PM   #6
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Re: Poor Tile Choice For Shower


Laticrete 254 Platinum for the ceiling.

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Old 08-08-2018, 01:17 PM   #7
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Re: Poor Tile Choice For Shower


How do you use sanded grout on marble?
I've seen so many marble jobs in my area destroyed from sanded grout.

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Old 08-08-2018, 06:11 PM   #8
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Re: Poor Tile Choice For Shower


Use epoxy or acrylic grout. DO NOT USE SANDED GROUT!!!

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Old 08-08-2018, 06:19 PM   #9
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Re: Poor Tile Choice For Shower


I miss read one of the earlier posts. I thought someone said sanded grout will work. I couldn't wait to hear how that could be! Sorry guys.

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Old 08-08-2018, 06:38 PM   #10
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Re: Poor Tile Choice For Shower


Actually, there are a few seasoned tile pros that say sanded is fine.

If I had to do that for whatever reason, I'd polish out any fine scratches.

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Old 08-08-2018, 10:26 PM   #11
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Re: Poor Tile Choice For Shower


I had to look at a new marble floor for some wealthy customers of mine that I do repair/maintenence for. They just had a new house built. Between the sanded grout and the harsh cleaners someone used... I told her that the only way I knew to fix it was to have it resurfaced. I have seen fewer scratches on a hardwood floor in a house full of dogs!

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Old 09-19-2018, 11:10 PM   #12
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Re: Poor Tile Choice For Shower


Quote:
Originally Posted by Golden view View Post
Unsanded is standard for marble because marble can scratch with sanded grout. Hence the small grout lines.

Seal before grouting.

The shower should be waterproof before tile is installed.

You might benefit from premounting these on kerdi membrane so you can be sure you have good adhesion before mounting to the ceiling.
You can use Mapei CQ on softer stone tile. The quartz is more rounded and doesn't scratch as easy. Also getting the tile damp helps with that as well as clean up.
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Old 09-19-2018, 11:11 PM   #13
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Re: Poor Tile Choice For Shower


Quote:
Originally Posted by Mr_Stop View Post
For what it's worth, I wish designers would actually install the tile the sell. It seems that they always choose the most expensive PITA tile to install. Hopefully you upcharged for this.

As others suggested, waterproofing actually happens underneath the tile.

Interesting thoughts about premounting on Kerdi Membrane. Mosaics often suck to get just right and this might be a good solution.
Mosaics always get premounted on our projects. So much easier to work with and cut.
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Old 09-19-2018, 11:12 PM   #14
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Re: Poor Tile Choice For Shower


I would use Ardex 77 on the shower ceiling. Or Mapei UF3.
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Old 09-20-2018, 06:41 AM   #15
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Re: Poor Tile Choice For Shower


Quote:
Originally Posted by TNTSERVICES View Post
Mosaics always get premounted on our projects. So much easier to work with and cut.
When you premount, do you mount to Kerdi-membrane using thinset, or another product?
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Old 09-20-2018, 07:29 AM   #16
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Re: Poor Tile Choice For Shower


Quote:
Originally Posted by Mr_Stop View Post
When you premount, do you mount to Kerdi-membrane using thinset, or another product?
Thinset

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