But if your floor is severely rotted say more than an inch beyond the flange you re stuck replacing the flooring around the toilet.
How to fix toilet to floor boards.
Remove the toilet and turn it on its side.
You may have to shim up the toilet or use a toilet base slab to prevent rocking.
A spongy floor around the toilet is a strong indication that the subfloor has absorbed water.
If the flange is set on the subfloor you may need a flange extender.
If your toilet has been leaking there is a danger the wooden subfloor will be damaged as a result.
A step by step video of how to repair the floor under your toilet replace it put new flooring and set the toilet etc.
The process to repair the subfloor is not easy but it needs to be handled promptly to avoid further damage to the wooden floor below which could eventually result in the toilet falling through.
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.
Measure the depth and width of the gluing edge of the bowl.
First set the toilet in place without the wax ring and square it up to the wall.
It goes under the flange and transfers the load of the flange and toilet and you out onto more solid surrounding wood.
Peel back the flooring around the fixture and you will.
If only the area directly below the flange is rotted you can install a two piece steel closet flange support.
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Then make an outline of the toilet on the floor with masking tape.