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Discussion Starter #1
Hi,

We are attempting to fix an issue a plumber we didn't hire (previous owners) created. This spring, there was a soft floor (tile) around the toilet. We and the prior owner have no idea how long the toilet had been leaking. This area is a prior garage turned into a master bed/bath (no basement) around 1980. The previous owner had a plumber come in and pulled out the soft floor and left a new sub-floor for us to later put down a finished floor. As a temporary fix, a piece of plywood was placed as "finished" floor.

It has been two months since that plumber "fixed" the leak and it is now leaking again.

We have removed the temporary plywood to dry out and are working on drying out the floor. In removing the plywood and taking a look at the flange, it is clear that the flange is tipped. We are not certain if the last plumber incorrectly tipped the flange or if the pipes underneath were not straight back in 1980. Obviously, the toilet leaked before this new flange was installed.

We are working on a solution and don't want to create a bigger issue (say cutting away the pvc flange which is glued in place and messing up the piping below).

We have so far read/seen two possible fixes: 1) cut that pvc flange out and install a new one; or 2) apply a piece of foam (such as from a wax-less ring) to build up the existing flange and apply a silicone, add a repair flange over top and make sure these are level.

FYI - we are not ready to finish the floor and therefore the plywood is going back in place for now. Also, we temporarily removed the blue screws holding the flange to the sub-floor.

Any thoughts? Thank you!
 

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Get rid of the OSB and do fix #1, making sure your new flange is leveled from all angles. Having wet wood under a toilet, temporarily or not, is a bad idea.
If your intention is to tile the floor, consider the height of the tile (about 1/4") when putting the flange in place.
 

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Discussion Starter #3
We appreciate the reply, DJ3. We were trying not to cut the existing flange off, but doing so would avoid a less than ideal fix. :smile:
 

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In theory, the wax ring should accommodate a minor out-of-level condition on the flange. How proud of the finished floor will your flange be, max and min?
 

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A slightly sloped flange is ok. Use a Jumbo wax ring without a horn. I've seen more than 1 toilet leak from under the horn. A jumbo wax ring will take care of the off level flange.
 
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