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Thread: Toilet cracked on cement floor

  1. #1
    DIY Junior Member
    Join Date
    Feb 2006
    Location
    Colorado
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    1

    Unhappy Toilet cracked on cement floor

    I am replacing a toilet that is on a cement floor.(also putting vinyl tile down) The floor is not flat and I suspect that is why the last toilet cracked at the base right under the bolt.It is secured with a flange that is metal and screwed into the cement.How do I even out the floor so the new toilet will not crack before I put tile down?? ( or after?) This will be my first toilet install.

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    Location
    New England
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    21,402

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    Before you put the wax ring on the flange, set the toilet down where it needs to go. If it rocks, you need to shim it. SOme people use pennies, nickels, etc. They also make plastic shims especially for this purpose. Some people don't like them since you don't have alot of surface making contact, and they tend to move. Use whatever you can that will support it and keep it from rocking. Support it around the attachment bolts so when you tighten them down you have something under it, not a gap. You don't need to really tighten them down all that much. Then you can pull it back up, put down the wax ring, reset it down.

    Put a bead of caulk around the toilet (most places want you to leave the back open). This will help hold the shims you put in in place, and make the bolts nearly redundent and prevent those late night accidents from getting under the toilet where you can't clean it up.

    Terry has a tutorial somewhere on this site...shouldn't be too hard to find. Has step by step instructions.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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