Average costs and comments from costhelper s team of professional journalists and community of users.
Rotten floor under toilet cost.
Cost to repair this type of damage will vary greatly depending on the extent of the damage and the type of flooring.
If only a few joists are rotted primarily at the bottom they can be repaired using a process known as sistering after the rot is cleaned away and the timber treated to prevent more problems a new joist is laid beside the old one and fastened to it.
Discover swollen discolored wood a sure sign that the subfloor needs replacing.
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 professionally prepared estimates for subfloor repair work.
Because of leaky toilet seals pest inspectors often find dry rot in the subflooring beneath the toilet area.
Peel the flooring several inches beyond the rotted area.
But if your floor is severely rotted say more than an inch beyond the flange you re stuck replacing the flooring around the toilet.
If only the area directly below the flange is rotted you can install a two piece steel closet flange support.
It goes under the flange and transfers the load of the flange and toilet and you out onto more solid surrounding wood.
Cost to replace repair or install subfloor.
See typical tasks and time to repair a subfloor along with per unit costs and material requirements.
A spongy floor around the toilet is a strong indication that the subfloor has absorbed water.
In this case the damage was limited to the corner of the floor between the water closet and the tub.
The average cost to replace or repair a plywood subfloor in a 306 square foot room costs 555 or between 490 and 600 the average cost to install a new plywood subfloor is 620 or between 572 and 720.