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    dlbull's Avatar
    dlbull Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 11, 2009, 03:42 PM
    Rough in height for lavratory
    Is there a standard rough height for water and waste for a lavratory?
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #2

    Jun 11, 2009, 03:44 PM
    Hi Dlbull:

    For vanities: Waste is 18" to center off finish floor and water is at 20" off finish floor.

    Let me know if need more...

    MARK
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Jun 11, 2009, 03:45 PM

    For the supply water 6-7", for the drain, through the floor. Or am I not reading this right? Duh totally ignor me. I thought this was a toilet, my bad.
    mygirlsdad77's Avatar
    mygirlsdad77 Posts: 5,713, Reputation: 339
    Plumbing Expert
    		  
    #4

    Jun 11, 2009, 04:09 PM

    Mark is correct. I usually rough in drain at 18 1/2" and water at 22". But your best bet is to read the literature that came with the lav and follow their rough dimensions. I have roughed in only to have the homeowner go buy an extravagant vanity that requires special rough in dimensions. If you have purchased a normal vanity, go with Marks advice and you will be set.

    Also, can you tell us if this is a pedestal lav, or a vanity with base. If vanity, standard rough in is fine. If pedestal, water lines should be closer together so they are not seen.
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