Rotten Floor Under Toilet Cost

The cost to repair a subfloor starts at 36 89 56 75 per square foot but can vary significantly with site conditions and options.

Rotten floor under toilet cost. If only the area directly below the flange is rotted you can install a two piece steel closet flange support. 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. Enough to create two square frames to fit between the floor joists and under the cuts. It goes under the flange and transfers the load of the flange and toilet and you out onto more solid surrounding wood.

Because of leaky toilet seals pest inspectors often find dry rot in the subflooring beneath the toilet area. 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. Cost to replace repair or install subfloor. 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. Get fair costs for your specific project requirements. In this case the damage was limited to the corner of the floor between the water closet and the tub. How much repairing floor joists should cost.

A spongy floor around the toilet is a strong indication that the subfloor has absorbed water. Average costs and comments from costhelper s team of professional journalists and community of users. Discover swollen discolored wood a sure sign that the subfloor needs replacing.