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Old 01-19-2009, 06:44 AM   #1
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Elevated Flange

I am readying a house for sale and came across something which is common in the area however no one has an easy solution. I am preparing a bathroom floor for tile and noticed that the top of the toliet flange is about 2/4 in taller than the top of the hallway floor. When I removed the toliet I discovered it was mounted on a piece of plywood which was on glued to the top of the tiled floor in order to meet the flange. Since plywood can break down I did not want to go that route. Also, plumbing contractors have told me that cracking the solder on the existing flange and lowering it is not a solution due to the location. What can I do?



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Old 01-19-2009, 07:01 AM   #2
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Is this bathroom on a slab or over a basement or crawlspace?
The flange should be properly re-installed while new tile flooring is being installed. A toilet flange should be bolted to the top of the finished floor level on top of the tile with only the thickness of the flange above finished floor level for a wax ring to seal properly.
The toilet should be leveled with a level across the bowl, and with beveled plastic shims made for the purpose if necessary. Put mildew-resistant tub-and-tile caulk around the front and sides of the toilet base after it has been securely bolted to the flange. Leave the back open for early leak detection.
Good Luck!


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Old 01-19-2009, 07:15 AM   #3
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back in the day marble slabs where used for this purpose, they are still available in some locations. I have seen this in older homes.but I do believe the flange was installed over it. and the tile was butted to the marble. BOB
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Old 01-19-2009, 07:49 AM   #4
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I just ran into a similar issue this weekend installing a toilet drain when I realized that the 3" pipe + elbow + flange put the base of the flange easily 1" above the surface of the floor (only 2x6 joists). I plan to either elevate the area around the toilet to match the flange, or put 2x2's on the joists to elevate the entire bathroom floor.
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