Subfloor damage in the bathroom usually comes from a leaking toilet but it can also be the result of a persistent sink drain leak or even a drip behind.
How to repair rotted floor under tub.
Therefore you ll want to keep that floor in peak condition.
Stepping through the floor was not the first hint that it had rotted out but it sure moved the floor repair up on the priority list for a house with plenty of remodel projects to do.
The home mender dustin luby shows us how to repair that unsightly rot hole in your floor to prepare it for a new.
The tub itself forms the fourth side.
Flooring repairs can be intimidating but the subfloor under the tub generally consists of plywood secured over floor joists and is fairly simple to replace once you get access to it.
Rotten floor joists under a bathtub must be replaced to eliminate safety concerns when the tub is used.
A plywood subfloor under a shower also known as underlayment is vulnerable to moisture damage that can rot the wood.
The most common reasons to replace this floor are that it can no longer support your bathtub and the wood has become rotten.
If however the wall or tub is sinking more extensive structural repair is needed.
Other clues about the floor damage included discolored flooring mold along the wall and lots of opportunity for water leaks with washer toilet and water heater.
The floor under your bathtub is the main element in supporting the tub.
Inspecting the joists and subfloor from below tells you which approach to take.
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Typically removal underneath the tub or walls on either side is unnecessary.