Leaking shower?

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  #1  
Old 08-04-18, 10:52 PM
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Leaking shower?

My basement crawl space has a very musty odor. Directly above the crawl space is my bedroom shower, which has a tile floor. I think this bathroom was done by the previous owner (not by a contractor).

The ceiling in in the basement is insulated and has ceiling tiles that I don’t want to pull down to check for water damage

Is there a way to seal the tile in the shower to make sure water is not penetrating? Or perhaps the previous owner didn’t install a “shower pan” under the tile? is there a way to check this?


 
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Old 08-05-18, 05:22 AM
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No, the grout between the tiles is not a waterproof layer. Grout sealers can be applied to protect the grout and make it easier to clean but it won't waterproof the grout.

Underneath is the best place to check for leaks. From below you can also get a good idea where the leak is located and what might be the cause. But there isn't much you can do from above.
 
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Old 08-06-18, 04:50 PM
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Thanks Pilot Dane.

Should the corners (where wall tile meets floor tiles) be siliconed / caulked?

I cant understand why anyone would want a tile floored shower. Just seems like you will eventually have a leak no matter what.

Is is it easier to just have someone come in and install one of those fiberglas/plastic shower liners?
 
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Old 08-07-18, 06:10 AM
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Tile is not the waterproofing layer. It is there for cosmetics. The waterproofing is done by the pan and liner underneath. Most tile showers go forever without leaks. They are usually re-done when someone gets tired of the tile color or design and changes to a something more modern.
 
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Old 08-07-18, 06:54 AM
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My basement crawl space has a very musty odor.
Does the space have adequate ventilation? Are you using a dehumidifier to control humidity?

The ceiling in in the basement is insulated and has ceiling tiles that I don’t want to pull down to check for water damage
If water damage is present, the damage would be visible from the under side of the ceiling tile.
 
 

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