Floor leveling question with new tile installation

16 years ago

Hi, I hope someone here has a helpful hint for this problem that I am having. I have removed all of the tile in my bathroom. I am almost ready to install the new tile. After removing the tile I noticed by a doorway that there was a small amount of mold on the wall. I took out a section of drywall and noticed that at the end of a bottom plate stud, that about six inches of the end were rotten. I checked around the shower membrane and all was fine. I poured a bit of water on the bathroom floor and it all ran to the area where the wood is rotten. The water does not rush towards the area it is very slow to get there. But it does end up there. My question is what do you think would be the best way to keep this from happening. I thought about spreading the thinset a bit thicker on the outermost tiles in that area to get the water from pooling against the wall. I think that if I raise the edges of the tile about 3 or 4 mm that this would solve the problem and keep the water out from under the wall. If you have any ideas that could help please let me know. I would greatly appreciat it.

Robert

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Comments (6)

just_julie
16 years ago
Where is the water coming from? If you raise that area, the water will just travel somewhere else... path of least resistance and all.
stingerrray
Original Author
16 years ago
It is right by the shower. The shower is not leaking in any way. I think it is just where the former owners would exit the shower and whatever drips came off of them and were left on the floor make it right to the same spot. So im hoping by raising that area again that the water would pool away from the wall if left on the floor for any reason. Its not that I make a habit of leaving large amounts of water on the floor. I also thought of putting a bath matt at the shower entrance. But just in case the kids run out of the pool and leave water all over the floor (not like that would ever happen LOL) I would like to try and prevent it now while the tiles are being redone. One more thing it is a concrete subfloor.

Thanks,
Robert

Robert
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bill_vincent
16 years ago
You might try using self leveling compound to fill that corner of the floor. Is this on slab or woodframe?
stingerrray
Original Author
16 years ago
Concrete Slab.

Robert
Stacey Collins
16 years ago
I bought self-leveling compound at Home Depot or Lowes. it's not that hard, you need a big padle mixer and a strong electric drill to mix it, and then you pour it out on the floor. Like really runny concrete. It levels itself out.
pepperidge_farm
16 years ago
SLC is a beautiful thing.

Could there be moisture coming up through the slab?

We had water stain on the ceiling below our master bath soon after we moved in, and initially I just thought it must me the drips from getting out of the shower, put a thick bathmat down, etc., but when we finally got to tearing the shower out for the reno, I realized it was the 50 year old lead shower pan failing. Clearly the small amount of water from exiting the shower wouldn't do that much mischief.

Just think about it, and really take some time to figure out for certain the source of the moisture.