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    floydsk's Avatar
    floydsk Posts: 4, Reputation: 1
    New Member
    		  
    #1

    Mar 4, 2012, 04:37 PM
    Installing a shower trap in basement flooring?
    I have installed a trap for the basement shower. How is the best way to back fill the opening under the concrete floor? Should I use sand or the rock base that was removed?
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #2

    Mar 4, 2012, 05:04 PM
    The rocks that were removed will be just fine.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #3

    Mar 4, 2012, 06:26 PM
    Floydsk

    Did you VENT the new shower drain? If not, then you could have issues with sewer gasses escaping into the house. Here, you won't be super happy to have a nice finished bathroom/shower and have "unexplained sewer odors" (not so unexplained now, huh?)... ;)

    Care to discuss... let us know, OK?

    Mark
    floydsk's Avatar
    floydsk Posts: 4, Reputation: 1
    New Member
    		  
    #4

    Mar 4, 2012, 07:04 PM
    The vent pipe was installed during the original construction.
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #5

    Mar 4, 2012, 07:17 PM
    Honestly, very happy for you... I hate breaking that news to people!!

    I fill my shower drain areas with the same rock as mygirlsdad77 said would be fine... I add a coffee can around my drain and then cement the area in.

    Then, after that has dried and if I am installing a prefabricated shower floor, I mix some structolite perlited gypsum product and set my shower base in place... levelling from front to back and from left to right... shim as needed.

    A copper or vinyl shower pan is a different installation, of course!

    Good luck!
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #6

    Mar 4, 2012, 07:18 PM
    Yep, we all agree same old rock fill is fine.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #7

    Mar 5, 2012, 04:06 PM
    A coffee can. Now there's an idea. I think Ill use that. Thanks Mark.
    floydsk's Avatar
    floydsk Posts: 4, Reputation: 1
    New Member
    		  
    #8

    Mar 5, 2012, 05:47 PM
    Thanks for the coffe can idea.
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