Floor Under Bathtub Rotted

Rotten floor joists under a bathtub must be replaced to eliminate safety concerns when the tub is used.

Floor under bathtub rotted.

Wrapping up the subfloor in the adjacent bathroom required an interesting puzzle piece to bridge the floor joists to match the diagonal shiplap of the existing subfloor and to accommodate a toilet drain. Pick a time to do it when the bathroom traffic will be lighter like during the summer months when people are outside more if possible and get started. The floor under your bathtub is the main element in supporting the tub. Around the toilet the floor may get flooded from overflowing.

Rotten bathroom floor is not so good but the longer you wait to repair it the worse it gets. How to replace a rotten floor in front of a bathtub. For instance this generally occurs around the. In other words if your floor is squeaking sagging and has soft spots when you put weight on it then it most likely has some rot.

In the worst case scenario the damage is so severe that the floor gives way sending the bath tub toilet or shower stall crashing down to the floor below. Therefore you ll want to keep that floor in peak condition. When moisture gets under the tub or shower basin or between the shower liner and the wall it encourages mold and mildew to form which eventually leads to wood rot in walls and the subfloor. But if your floor is severely rotted say more than an inch beyond the flange you re stuck replacing the flooring around the toilet.

The most common reasons to replace this floor are that it can no longer support your bathtub and the wood has become rotten. If only the area directly below the flange is rotted you can install a two piece steel closet flange support. Sure it will take you some work but the end result is well worth the effort. He fastened the gusset under the existing subfloor so it extended out to support the edge of the new subfloor piece.

It goes under the flange and transfers the load of the flange and toilet and you out onto more solid surrounding wood. Inspecting the joists and subfloor from below tells you which approach to take.