How to replace a rotted bathroom floor. Therefore you should remove the rotten sub floor. Cost to replace repair or install subfloor the average cost to replace or repair a plywood subfloor in a 306 square foot room costs 555 or between 490 and 600the average cost to install a new plywood subfloor is 620 or between 572 and 720. If only the area directly below the flange is rotted you can install a two piece steel closet flange support.
Using a delta multi tool. A rotten sub floor has no strength necessary to support the weight of the finish flooring or people using the bathroom. By larry walton 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 house is over a hundred years old and had surprisin. But if your floor is severely rotted say more than an inch beyond the flange youre stuck replacing the flooring around the toilet. The home mender dustin luby shows us how to repair that unsightly rot hole in your floor to prepare it for a new.
If you find that your bathroom floor has rotted through you will need to replace it. In time your bathroom floor will have uneven areas. Sure it will take you some work but the end result is well worth the effort.
I found a few spots where in the bathroom the floor joist had gotten soaked through and rotted. Other clues about the floor damage included discolored flooring mold along the wall and. This is how i fixed them.
Not to mention the rotted wood unpleasant smell that impregnates the bathroom walls and your stuff. You may not think of your floor as vulnerable but in the bathroom. Im rebuilding a house after tearing it down to the bare studs.
In extreme cases of water damage you may have to replace a significant part of the floor framing. It goes under the flange and transfers the load of the flange and toilet and you out onto more solid surrounding wood. How to repair a rotted bathroom subfloor accessed february 28.
This video shows technique on removing a rotten bathroom floor and replacing it with advantec subfloor and finally new vinyl in this case or your flooring of choice. 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.