help on how to replace sub floor under toilet


Old 12-19-06, 11:29 AM
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Join Date: Dec 2006
Posts: 1
Question help on how to replace sub floor under toilet

i was just in my bathroom and noticed that the toilet is now sitting on an angle and the floor to the side is extrememly soft. how can i replace this?
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Old 12-19-06, 03:18 PM
Join Date: Oct 2006
Location: Wilmington
Posts: 4,219
What kind of floor, ceramic tile, vinyl?? Doesn't really matter, the toilet must come off, the flooring needs to be removed down to the subfloor. If the subfloor is plywood, cut out the rot, back to the floor joists so you have something to mount the new subfloor to, you may need to install stiffeners to the joists. Install new subfloor(cut around the sewer flange) to the level of the existing flooring, minus whatever floor covering you need to replace(hope that makes sense). If it is ceramic tile, it may be time for a new floor. Vinyl is a bit easier, but still may need a new floor.

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