Discuss Trowel size for 10mm thick stone mosaic in the DIY Tiling Forum | How to tile area at TilersForums.com

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risotto

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Have a question that's been driving me crazy looking tirelessly online without any solution.

Basically, I'm laying 10mm thick stone mosaics over a wetroom floor. The drain is fixed into the tray so there is no depth adjustment there to align with the tiles. So I need a total height of 14-15mm to match the fixed drain height, so was hoping that using 10mm mosaics would allow me to only use 4mm of adhesive bed.

The problem though, which trowel do I use to guarantee 4mm of bed once the mosaic sheets are pushed into the adhesive? Everywhere I've searched they generally always recommend a 3-4mm notched trowel for mosaics but there's nothing specific to my situation where I need a little more to increase the height.

Any ideas would greatly help
 
R

risotto

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Hi , what size are the mosaics.?
Hi, the mosaics are small hexagonal, about 25 x 25mm on a 290 x 285mm sheet
 
Dave

Dave

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What type of wet tray do you have ? , most advise against using small mosaics due to point loading.
 
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risotto

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