Tile behind Toto wall hung toilet?

5 years ago

last modified: 5 years ago

We are installing a wall hung toilet in our master bathroom. Our plumber suggested that instead of drywall, we should consider some kind of ceramic behind the toilet for strength. Just wondering if we strengthened that wall with another material (forget what my husband suggested) then did a painted wains coat to match opposite wall, could that work? Any suggestions would be most appreciated. thank you!

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PRO

Mint tile Minneapolis

5 years ago

last modified: 5 years ago

The tile is not the strength.

The process starts inside the wall cavity with proper blocking first. If i were to wainscot I would omit any drywall where the TOTO mounting plate/bracket goes and use quality 1/2 or 5/8 ply behind the wainscot and id span it out a few stud bays..

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Comments (14)

Rita / Bring Back Sophie 4 Real
5 years ago
I would find another plumber. That is an unacceptable level of cluelessness in a pro who is handling a pretty expensive toilet!
JAS thanked Rita / Bring Back Sophie 4 Real
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What room is behind the wall where you need to put the electrical outlet? After all, the wall cavity is accessible from either side! Even with a cement board behind the tile, a professional can drill through the cement and wall tile from the backside to make an outlet, after removing drywall to deal with the running of the new circuit. You will have to check if the model you want needs a circuit of its own, separate from the existing bathroom outlet. If if does not, your electrician may be able to extend that existing run to the new outlet position. Once the work is done, the drywall can be patched (or plastered - whatever you have there) in the room behind the bathroom. My new outlet for my Toto seat is on the wall next to the toilet. If your toilet is in the corner, you may have the option of two walls, as I did.
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JAS
Original Author
5 years ago
To Tundra - thanks so much for your response - much appreciated! Now I think that's what my husband suggested, but I couldn't remember. The 1/2 or 5/8 is key.
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JAS
Original Author
5 years ago
I just learned form my husband that the plumber recommended some kind of ceramic surface behind the wall hung toilet more for cleaning and sanitary purposes. He recommended that we use cement board or some kind of moisture resistant sheathing and not dry wall.
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Rita / Bring Back Sophie 4 Real
5 years ago
Ah, that makes so much more sense.

Wall hung toilets are awesome. I love that look (and you do pay dearly for it ;-)
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JAS thanked Rita / Bring Back Sophie 4 Real
PRO
Mint tile Minneapolis
5 years ago
last modified: 5 years ago
@jas Ceramic tile and Cement board. Still not the structural strength. Do be careful
123jaf
5 years ago
Thank you -what else do you suggest? These used the 2x4 mount and in wall tank seems very secure.
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PRO
Mint tile Minneapolis
5 years ago
last modified: 5 years ago
Just makin sure you arent relying on CBU/tile for support, you came here asking questions that should have been eliminated by your professional plumber... sounded like you were on the wrong path for a second there.... :)
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JAS
Original Author
5 years ago
I appreciate your input - Since plumber won't be back for a while, I've been reviewing install online and asking questions that arose from my research. We are working with a professional, licensed plumber. Thanks for showing concern.
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geoffrey_b
5 years ago
I gutted our master bath, and installed a Toto wall hung toilet. I used Haribacker cement board ( from the floor to above the flush plate.) I tiled the wall, then installed the toilet.
Bruce in Northern Virginia
5 years ago
If it was my project, I would install wide wood blocking (10"?) across the wall between the studs, similar to what they do as prep for kitchen cabinets. Then put tile, backer board, or whatever you want on the wall, since the screws into the wood will provide the strength.

Bruce
Jake The Wonderdog
5 years ago
Agree with Bruce. This isn't a place for plywood rather it's a place for 2x8 or larger well secured to the studs.
geoffrey_b
5 years ago
The instructions that come with the wall hung Toto (metal frame) specify the framing required.
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PRO
Mint tile Minneapolis
5 years ago
last modified: 5 years ago
Clarify.

OP was talking wainscot. I assumed wood. of sorts?.

1. secure framing

2. 2 cross blocking in wall.

3. replace drywall with plywoodUnder wainscot and spanning toilet now you are structurally strong and have backing for wainscot and structurally stronger for stress of toto and yes also using the toto bracket kit

These forums crack me up Do you suppose ive seen a few failed wall hung totos on tiled walls in my day?
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Tile behind Toto wall hung toilet?

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Rita / Bring Back Sophie 4 Real

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Tile behind Toto wall hung toilet?

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