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    MPKAMS's Avatar
    MPKAMS Posts: 1, Reputation: 1
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    #1

    May 12, 2008, 12:56 PM
    Installing toilet flange on tile with concrete subfloor
    I'm installing a new bathroom in my basement with a concrete subfloor I will be laying tile down as well. My question is when I install the toilet flange do I install it on top of the tile or do I need to leave some concrete exposed to attach the flange? Also what would be the best method to attach the flange... glue? Concrete screws? Thanks for any advise you can give.
    amricca's Avatar
    amricca Posts: 851, Reputation: 92
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    #2

    May 12, 2008, 01:04 PM
    I just did this and used a expansion anchor in the slab and mounted the flange on top of the tile. Hardest part was drilling the tile and slab, piece of cake after that.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #3

    May 12, 2008, 01:35 PM
    Quote Originally Posted by MPKAMS
    I'm installing a new bathroom in my basement with a concrete subfloor I will be laying tile down as well. My question is when I install the toilet flange do I install it on top of the tile or do I need to leave some concrete exposed to attach the flange? Also what would be the best method to attach the flange... glue? concrete screws? Thanks for any advise you can give.
    You install the flange on top of the tile. Unless the flange moves after it's installed there's no need to tie it down.
    Good luck, tom
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    May 12, 2008, 07:53 PM
    I agree with Tom 100% of the time and "on top" is just fine. However that is the high end of the range and the flange can be flush with the tile surface also and still make a good seal with one wax ring. Can we assume you are using PVC and will glue the falnge to the drain? That should do it.
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