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.
Measure the depth and width of the gluing edge of the bowl.
If only the area directly below the flange is rotted you can install a two piece steel closet flange support.
If the flange is set on the subfloor you may need a flange extender.
You may have to shim up the toilet or use a toilet base slab to prevent rocking.
How to fix a rotten floor around the toilet.
Then make an outline of the toilet on the floor with masking tape.
A step by step video of how to repair the floor under your toilet replace it put new flooring and set the toilet etc.
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.
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.
A spongy floor around the toilet is a strong indication that the subfloor has absorbed water.
Water on the floor around your toilet is never a welcome sight and it means extra trouble if it s been there for a while.
Peel back the flooring around the fixture and you will.
How to fix wood that got wet from a leaking toilet.
If your toilet has been leaking there is a danger the wooden subfloor will be damaged as a result.