Damaged Floor Under Toilet

If only the area directly below the flange is rotted you can install a two piece steel closet flange support.

Damaged floor under toilet.

It goes under the flange and transfers the load of the flange and toilet and you out onto more solid surrounding wood. If the subfloor is spongy under your leaking toilet the toilet may have started to wobble and the problem is quickly going to get worse unless. However this also presents an opportunity to install new waterproof flooring in the area. Total costs will depend on the extent of the damage and the ease of access to the joists through a basement or crawlspace but in general sistering averages 100 300 or more per joist and could run 1 000 3 000 or more to repair a tilted wavy or bouncy floor under an average room.

The cost to repair a subfloor starts at 36 89 56 75 per square foot but can vary significantly with site conditions and options. Ceramic tile high end vinyl and certain engineered wood materials can all help protect floors against future water damage repair. 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. Get fair costs for your specific project requirements.

Water leaks can happen under various types of flooring. See typical tasks and time to repair a subfloor along with per unit costs and material requirements. 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 the floor joists are extensively damaged it will be.

If a leaky toilet has damaged the floor underneath it you can easily replace that flooring yourself. How to repair the sub floor under a leaky toilet. Unless the toilet leaked for a long time the joists are probably not completely rotten and sistering a piece of 2 by 8 inch lumber by screwing it to a rotted joist is. See professionally prepared estimates for subfloor repair work.