Cut at least a few inches past the rotted wood under the toilet wood floor area with a reciprocating saw up to the closest joists.
Sealing toilet on saging floor.
Check the flange height.
When you install a toilet on a wood floor you won t encounter any more difficult problems than you would installing one on any other floor covering.
You may have to shim up the toilet or use a toilet base slab to prevent rocking.
Discard all rotted wood and clean the drain well.
Even if you can find a sealer to adhere to the surface it will most likely peel or wear very quickly usually in 2 12 months.
Adhesion wanting to seal your ceramic floor tile surfaces because an existing floor sealer is peeling off.
When preparing to install the toilet the first thing to confirm is the proper flange height.
If there is any leaking that occurs in a toilet it would happen through the floor and not on the floor.
If water is not present you can proceed with the repair.
Toilets tend to leak below typically into a basement and seeing cases where a toilet is actually leaking on to the floor is quite rare.
Seal a door frame in place and seal the subfloor at the bottom of a door frame.
Sealers or coatings do not adhere or stick well to ceramic floor tiles.
A toilet would actually never leak right onto the floor.
The key is getting a good caulk seal between the toilet and the floor which prevent a master plumber shares his secrets for setting toilets on tile floors.
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Start the repair by confirming that your toilet is not leaking check carefully for water around the base of the toilet.
Fill in gaps between crown moulding and baseboards.
With the toilet removed you can see the toilet flange and measure its height above the floor.