A spongy floor around the toilet is a strong indication that the subfloor has absorbed water.
Rotten floor under toilet cost.
But if your floor is severely rotted say more than an inch beyond the flange you re stuck replacing the flooring around the toilet.
It goes under the flange and transfers the load of the flange and toilet and you out onto more solid surrounding wood.
Average costs and comments from costhelper s team of professional journalists and community of users.
How much repairing floor joists should cost.
See professionally prepared estimates for subfloor repair work.
The cost to repair a subfloor starts at 36 89 56 75 per square foot but can vary significantly with site conditions and options.
See typical tasks and time to repair a subfloor along with per unit costs and material requirements.
If only the area directly below the flange is rotted you can install a two piece steel closet flange support.
Get fair costs for your specific project requirements.
Enough to create two square frames to fit between the floor joists and under the cuts.
Discover swollen discolored wood a sure sign that the subfloor needs replacing.
Peel the flooring several inches beyond the rotted area.
Cost to replace repair or install subfloor.
Because of leaky toilet seals pest inspectors often find dry rot in the subflooring beneath the toilet area.
In this case the damage was limited to the corner of the floor between the water closet and the tub.