I have water seeping up from stone tile in a first floor mud room. I checked in the basement ceiling below these tiles and there does not appear to be any wetness and the water also isn’t coming from the ceiling. I suspect what’s happening is water is getting behind our wood shingles through an old
roof line (this is an addition to our house) and finding its way through a crack right about where these tiles are. Who would I call for something like this?
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One other theory I have is that it could be related to a gutter splashblock (there is a gutter downspout right behind this wall) which blew away during a recent wind storm and was only recently replaced (two days ago). That said we have amazingly good drainage here and don’t have any water problems with our basement. I’d be quite surprised if this were it. The foundation appears to be completely dry here.
Best Answer
Is this adjacent to a restroom , laundry room , is there a restroom above, the wall adjacent to the tiles , is it a wet wall ( is called like that when all pipes are running on a wall) if it is a wet wall maybe a pipe could be leaking, you will say how ( pipes touching other metals inside the wall they rub against each other and make a hole small one it happened to me, to much explanation . See the plans of the house if you have them. Also the water could be sipping from outside? check that too.