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Old 08-17-2012, 03:16 PM   #1
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Toilet installation problem

Hi all,

I just ripped up all the old tile in one of my bathrooms and discovered that it was tiled directly on plywood.

I've installed hardy backer boards and just about to put down the new tile.

My concern/problem is the new height. I'm not sure but, it looks like the added height from the cement board and tile is close to flush or higher than the sewer drainage which is where the toilet will be installed. Is there some kind of "collar" to add on to raise it up or will the wax ring be enough?

Please help. This is the first bathroom I'm doing, so not too familiar with toilet installations yet. Any help is greatly appreciated.

Thanks a lot!




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Old 08-17-2012, 05:07 PM   #2
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It's safe to say that if the toilet flange is roughly 1/4" above or below the finish floor height you're o.k. The space can be made up using the proper bowl wax. A spacer ring can even be added later


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Old 08-17-2012, 06:20 PM   #3
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Oatley I believe it is, makes a wax 'doughnut" with an extra thick ring for

just this situation. I prefer the ones with the black plastic cone in the center.

If it seems too high when you reset the bowl, don't worry. Be patient and

press your weight on it and it will settle to the floor OK. They work good.
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Old 08-17-2012, 06:35 PM   #4
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You did replace the old plywood that got tore up where the tile came out or at the barly least use floor leveler, right.
Did you spread thin set with a toothed trowl under the tile board before installing it?
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Old 08-18-2012, 11:25 AM   #5
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Thanks a lot for your help guys. The plywood was in great shape so didn't have to replace it. I did put thin-set under the cement board.
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