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Old 09-22-2014, 02:35 PM   #1
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Shower over toilet drain?


We are trying to put a single stall shower in our office. Concrete floor and there is already a drain from a previous toilet. Owner of the building refuses to rip up the floor to install a new drain and trap but said if we can work with what is there we're fine. So I'm thinking on building a shower above floor level, if that makes sense.

Just a panel-wall shower (no tile) and would use a pre-made pan, maybe 36x36. No trouble building a raised platform to put it on, but thoughts on how I could run a drain & trap into the existing toilet drain? Could it work?

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Old 09-22-2014, 03:07 PM   #2
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Shower over toilet drain?


Not going to work.
There's no trap in a toilet drain.
Sewer gas will just come up the drain.

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Old 09-22-2014, 04:46 PM   #3
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Shower over toilet drain?


Quote:
Originally Posted by joecaption View Post
Not going to work.
There's no trap in a toilet drain.
Sewer gas will just come up the drain.
I understand there needs to be a trap thus why I said we could build it on a raised platform and include the trap between the shower floor and the concrete.
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Old 09-22-2014, 06:00 PM   #4
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Shower over toilet drain?


Not legal bro. If the shower is so important break up the floor. OR purchase a raised shower Mustee base run the drain to a floor drain that has a trap. Also make sure you purchase a temp control pressure balanced valve and not the 2 handle piece of garbage that comes with it.

http://mustee.com/product-lines/show...lls/index.html

Last edited by Ghostmaker; 09-22-2014 at 06:16 PM.
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Old 09-22-2014, 06:02 PM   #5
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Shower over toilet drain?


You will be creating an S-trap if you elevate the shower and place the P-trap below the pan---unless you can T- it into a vent--your installation will not be properly vented.

Your boss should spring for a jackhammer rental ($60.) and then the drain--P-trap and pan could be done properly and simply.
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Old 09-22-2014, 06:07 PM   #6
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Shower over toilet drain?


not good for any reason......make new plans for a proper shower install...

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