Water damage?


I have some substance leaking out from around the tile surrounding my bath tub. It's kind of yellowish and more solid than liquid. I have a tile cleaning company come out and the guy thinks it's water damage. How would I know for sure?
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PeterL wrote:

The guy could be right, but I would trust more the opinion of a plumber. Is that a smokers' house? Is that yellowish stuff seeping through he tiles ? Do you have access to the tub drain? That's where I would start.
Also, you could try pouring some dye and water in each drain, bath tub and toilette, one at a time and then wait, say, a couple of hours to see if the color shows up around the tiles. Of course don't use yellow dye...
I wouldn't wait too long though. If the leakage gets bigger you can face some serious and expensive damage.
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The yellowish stuff is along the edge between the tile and the bath tub. thing is we never use the tub, only a separate shower. It's not liquid at all, but rather like a hard deposit.
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PeterL wrote:

What happens after you clean it up, does it show up again? How soon?
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