My small bathroom job just got bigger. I want to replace the tile and toilet in the kids bathroom. It's about a 3' by 5' room with a toilet and tub/shower. I pulled up the tile and saw that 2nd layer of plywood was black and moldy behind the toilet, in the corner by the bathtub. So, I decided to pull that up too, and I plan to put down hardi board instead.
Well, it appears that the water also got down to the main floorboards (subfloor?) in that corner. I went down to the basement and checked from above, and I'm happy to report it doesn't show any signs of rotting from the bottom. But, the top shows water damage; discolored wood and some of the layers of plywood has rotted away. I have a fan running in the room now to dry out the wood. When I step and press the floor in the worst spot, it does not sag.
I took some pics if that helps: floor:
I believe the wetness is a combination of things: 1. my boys had very bad toilet 'aim' when they were younger. 2. they didn't always close the shower curtain correctly. 3. the house is ~ 20 years old and we've been here 7, so who knows what else occurred before. The boys are older now, and are much more responsible for that area.
So, finally my question. Do I need to move the tub, tear up the walls, cut away the flooring and replace it at the beams? Or, can I dry out the floor, clean up the wood with bleach & natures miracle, then lay some new hardi board over the whole thing? I plan to tile and seal the floor when I am done. If I go the easy route, is there a wood treatment I can put down to level the wood in that rough spot?
Ugh. Thanks in advance.