Porcelain tile to toilet riser -- sloppy gap [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile

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Cedarparker
05-27-2019, 10:29 AM
Hi All,

Sure appreciate the good info I have received lurking here the past couple years!

New construction -- just got our porcelain tile laid (over SOG). Not grouted yet. The gap they are leaving around the toilet risers seems too sloppy -- like it won't support the flange very well. I can try to get them to re-do but I expect significant pushback. My question: is there something durable you can recommend to fill this gap and support the flange -- say, patching cement? What if they just fill it in with grout? (Grout doesn't seem durable enough to me.) Other ideas?

Note that toilet risers are lead cans, and I'll be using a brass toilet flange, 6" diameter I believe, and peening the lead over the flange.

Thanks,
Jeff
208626

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Lazarus
05-27-2019, 11:56 AM
Most toilets will cover these cuts. You can, of course measure the underside of the toilet to confirm. Once the flange is installed, you should be OK and the toilet should be adequately supported...... Some thinset troweled in works, if needed........:wave:

rmckee84
05-27-2019, 06:15 PM
If the toilet covers, it will be fine.

Redlands Okie
05-28-2019, 06:48 AM
Keep in mind the weight of the toilet is setting on the tile. The plumbing should not support the weight of the toilet.

speed51133
05-28-2019, 07:45 AM
As stated above, the toilet rests on the tile, not the closet flange. The closet flange simply forms a seal to the toilet horn. Keep in mind this seal is formed by maintaining a GAP between the horn and the flange. The gap is filled with a wax ring or a new fangled synthetic ring. the screws in the flange just keep it put and prevent it from moving around.

Cedarparker
05-28-2019, 12:58 PM
Ah... the weight of the toilet rests on the tile! Kind of obvious... just not to me.:bonk:

I think I will have 'em throw some thinset in there just so I have something supporting the flange while I peen the lead.

Thanks to all for your comments, much appreciated!

Redlands Okie
05-29-2019, 05:12 AM
Depending on the room size ...... you might should keep a small gap between any tile and the plumbing to allow tile expansion. Same as you do around the walls and tub.