Which Trowel And Adhesive For Backsplash In Bathroom - Kitchen & Bath Remodeling - DIY Chatroom Home Improvement Forum
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Old 08-23-2014, 01:04 PM   #1
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which trowel and adhesive for backsplash in bathroom


Hello
I'm remodeling a bathroom, and want to put some tiles over the sink
The counter top has already a backsplash, but i want to put some tiles above as a "decoration touch", same tiles as the bathtub surround
The tiles are 6x6 ceramic
OK it's in a bathroom, but I guess there won't be water projection onto it

What trowel size should I use, and which type of adhesive?
The area is small (60" long x ~10" high)

Thanks
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Old 08-23-2014, 01:33 PM   #2
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Quote:
Originally Posted by french_guy View Post
Hello
I'm remodeling a bathroom, and want to put some tiles over the sink
The counter top has already a backsplash, but i want to put some tiles above as a "decoration touch", same tiles as the bathtub surround
The tiles are 6x6 ceramic
OK it's in a bathroom, but I guess there won't be water projection onto it

What trowel size should I use, and which type of adhesive?
The area is small (60" long x ~10" high)

Thanks
There are variables...

1/4" X 1/4" X 1/4" square notch will work using modified thinset.

3/16" X 3/16" X 3/16" using tile mastic.

Unless stone tile is being used which has a flat smooth backside, then the notch size can be reduced in either case.
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Old 08-23-2014, 02:20 PM   #3
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I'm using 6x6 ceramic tile from Home Depot - Daltile "Crema Marfil"...
The back is not flat - see picture
what do you mean by "tile mastic"? Is this some specific adhesive, or are you talking about the premixed buckets?
So seeing my tiles, should I use thinset mortar (in that case I will take a premix) with a 1/4 x 1/4 x 1/4 notch, or mastic tile with 3x16 x 3/16 x 3/16 (does that mean V shape?)
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Old 08-23-2014, 02:31 PM   #4
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Don't use pre-mixed thinset mortar, the crap has a hard time drying.
Use the pre-mixed mastic, it comes in smaller quantities.
The 3/16" "V" notch is fine for that tile.
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Old 08-23-2014, 02:36 PM   #5
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Premixed mastic comes in bucket?
Anyway, no need to mix anything? I would like to keep it simple.....!!!
Do they sell premix mastic at HD? Which brand?

Thanks
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Old 08-23-2014, 02:41 PM   #6
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Originally Posted by french_guy View Post
Premixed mastic comes in bucket?
Anyway, no need to mix anything? I would like to keep it simple.....!!!
Do they sell premix mastic at HD? Which brand?

Thanks
Yes...go to Home Depot and buy some ceramic tile adhesive in a small pale, no mixing, has a handle on it. Have no idea what it is called, maybe Acrylpro or something like that.
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Old 08-23-2014, 02:49 PM   #7
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what Bud said. the stuff works great !
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Old 08-23-2014, 06:09 PM   #8
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Found it....and a small package (quarter), enough for my small area to tile
Recommended trowel is V shape, 3/16" x 5/32"
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Old 08-23-2014, 09:33 PM   #9
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Quote:
Originally Posted by french_guy View Post
Found it....and a small package (quarter), enough for my small area to tile
Recommended trowel is V shape, 3/16" x 5/32"
Then get to work!!!
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Old 08-24-2014, 09:34 AM   #10
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While a backsplash might seem like a "wet area", it's really not. Behind a sink, no water will be penetrating that tile. The occasional few drops that splash up there can't get to the mastic.

Mastic would never be used in a real wet area, like a shower. That's when you need thinset as your adhesive.
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Old 08-29-2014, 11:18 AM   #11
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Is this "resin backed marble"?
AcrylPro instructions says NOT TO USE with resin backed marble....!!!
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Old 08-29-2014, 04:35 PM   #12
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Take a small sampling of tiles and get it wet. Let it sit a few minutes then see how difficult it is to remove the tiles from the mesh. Some of those adhesives used to attach the mesh are water soluble and therefore not resins. If the tiles drop off the mat or pull away readily the adhesive used to hold the mesh is not resin.

Even if resins were used to attach the mesh it's not the end of the world. Even tho the tile adhesive has difficulty adhering to resins if you used enough adhesive so-as to imbed the mesh into the adhesive and let it wrap around and encompass the mesh the holding power is still there.

Tiles are getting thinner and thinner these days so to help strengthen the tiles resins are being used to backup the tile. If a tiles backside is basically smooth this is where problems arise with adherence, personally I would go for it.

Just be sure not to use too much adhesive so that it purges between the tiles to and above the tiles surface. Somewhere in the measured application of the adhesive there will be a sweet-spot for adhesive application thickness.
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Old 08-29-2014, 05:24 PM   #13
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Cool, thanks for the detailed answer
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Old 08-29-2014, 06:57 PM   #14
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Sometimes the adhesive for the mesh will be in a little blob in the middle of the tile or stone (e.g. pebbles), and so even if resin, it will not cover the entire tile.

To avoid getting too much thinset oozing up between the mosaic tiles, I will flatten the thinset after troweling. You have to be careful you don't move much thinset around, because the point of troweling is to get a consistent depth of thinset.
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Old 08-30-2014, 08:12 AM   #15
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and don't do to large an area. just do 1 sheet at a time, till you get the hang of it. otherwise you risk having the adhesive start to dry before you set the next sheet = not good.
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