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Old 01-29-2006, 12:24 PM   #1
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Location: Twin cities, Minnesota
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Differnt tile thinkness, same floor

Heres the details

basic bathroom layout..5' wide.. about 8'long

right now there is vinyl floor over 3/4 osb. Im riping the vinyl out down to subfloor. Thinset, 1/2 cement board... lots of screws, tape the seams, thinset, tile. That sound about right?

Now ive got 2 differnt types of tile with differnt thicknesses. Not a huge differnce.. but non the less.. its differnt. Main floor tile is ceramic squares on a 12x 12 backer sheet. Border tile is slate squares... 3 tiles wide x 12"
by the way.. squares are small 1"x1". You get the idea.

So to compensate for the different size.... main floor tile area.. use a 1/4" trowel then around the other border area where the tile is thicker... use something like the 3/8" trowel... Does that makes sense.... ?
Am I on the right track and just over thinking this?

Or... am I heading for trouble?

Thanks in advance.

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Old 01-29-2006, 12:35 PM   #2
Steven Hauser
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Hi Steve,

You pretty much have it. We tend to set it all together and back butter teh thinner stuff at that time. A flat smooth coat to compensate for the thickness variance, and notched on the floor. All using the 1/4" trowel.

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Old 01-29-2006, 01:01 PM   #3
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if the differences in thickness get way out of hand, you could do some prep work to he floor by installing ditra, a sheet membrane, or some flash work. this would mostlikely require you to have the layout all marked out, and require more time, thus more $$
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Old 01-29-2006, 05:55 PM   #4
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I have found plastic gutter gaurd ,for keeping leaves out of gutters, adds about 1/8 under the thinner tiles to make up the differance. lol!
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