Height of rough-in for a lav drain.

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by smilingkev, Jun 9, 2011.

  1. smilingkev

    smilingkev New Member

    Joined:
    Jun 9, 2011
    Location:
    Colorado Springs
    I set my rough in for a bathroom sink 20" above the sub-floor. Will this be too high for what a typical residential cabinet and lav will need? My commercial experience makes me think this will work, but measuring the drains of my friends and neighbors is making me think twice. Help please.
     
  2. Terry

    Terry Administrator Staff Member

    Joined:
    Aug 17, 2004
    Occupation:
    Plumber
    Location:
    Bothell, Washington
    I rough at 20" for a 32" counter.
     
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  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    Vanity counter height varies, as does the sink depth. No one location works ideally (or maybe, at all) for all sinks. Some people are using kitchen cabinet height vanities, some use the 32, and some still use the 29" or another height. Then, depending on whether it is an undermount or drop-in, or a moulded, one-piece...the height may need to be adjusted.
     
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