I have a new shower with 2X2 marble slate flooring. After each shower I take an area of "wet looking" tile and grout expands. I read up on it and seem to think that the drain weep holes may be clogged but my contractor doesn't think so (but hasn't checked to see which would mean taking out the drain). Does anyone have any ideas on why this area grows after each shower? Should I have reason to worry about water accumulation between the mortar bed and tile?

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Originally Posted by Christy Long

I have a new shower with 2X2 marble slate flooring. After each shower I take an area of "wet looking" tile and grout expands. I read up on it and seem to think that the drain weep holes may be clogged but my contractor doesn't think so (but hasn't checked to see which would mean taking out the drain). Does anyone have any ideas on why this area grows after each shower? Should I have reason to worry about water accumulation between the mortar bed and tile?

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... post your problem in the 'Plumbing' section so speedball1 and labman can reply to you. You'll also get many more responses there...