Plumbing Issue in Kitchen Remodel

Discussion in 'Remodel Forum & Blog' started by bcatalf, Dec 1, 2006.

  1. bcatalf

    bcatalf New Member

    Dec 1, 2006
    I am removing a drop ceiling and installing canned lights. I have torn out 95% of the drop ceiling. My issue that I ran into last night is that 2 drains from the floor above the kitchen have traps that extend below the floor joyce. I want the same height for the ceiling for the entire kitchen. I was think I could replace the drains and instead of them coming straight down, I could leave them at an angel to allow them to fit "inside" the joyce. Will this be okay? What can I do to make sure the traps don't extend below the floor joyce?
  2. Randyj

    Randyj Master Plumber

    Nov 25, 2006
    Not too clear on what you are proposing to do. as long as it is just a slight slope and not extreme drop you should be okay. Pulling on the pipe or installing at an excessive angle can cause a fitting to leak. You may have to raise the trap which would mean shortening the pipe above the trap and lengthening the vertical pipe following the trap.
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  4. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego, CA
    Not clear on why the traps are too low. Is is just the trap elbow, or are the waste lines also below the joists? Picture would help to see it there is a way to raise it up.
    Do you have a permit for the electrical work? I am guessing you have flourescent strips inside the drop ceiling? You will not be allowed to replace that with Non-flouresent lighting. It would be allowed to use the can lights which use compact flourescent bulbs.
  5. prashster

    prashster New Member

    Dec 7, 2005
    I don't think you can run the trap at an angle. You should be able to raise the trap up a couple inches by cutting the drain drop piece so the bottom of the trap is above the bottom of the floor joist.

    Who is Joyce?
  6. geniescience

    geniescience Homeowner

    Nov 27, 2005
    humid summers hot, humid winters cold
    without seeing it, who'll give you an affirmative? Chances are, that you need a lot of new inches, and you won't get that by turning a p-trap 30 degrees on its side.

  7. Gary Swart

    Gary Swart In the Trades

    Sep 1, 2004
    Yakima WA
    I think Joyce is puddy's sister.
  8. bcatalf

    bcatalf New Member

    Dec 1, 2006

    She is my friend in Atlanta. Too much going on. I have 2 different pictures for 2 different problems in the kitchen. The first one, I think I can just shorten the pipe that goes over the pipe from the tub. The second one, I am not sure what to do about that.
  9. plumber1

    plumber1 Plumber

    Aug 7, 2005
    Take a good look at what and where the drop pipes that go into the top side of those come from and see if you could shorten those drops and use two fittings to off-set the horizontal line away from the traps.
    Are you talking PVC pipe? If so then it should be reasonably easy.
  10. markts30

    markts30 Commercial Plumber

    Sep 25, 2006
    Commercial Plumber
    Phoenix, AZ
    Once you shorten the tailpieces on the drains as much as you can and re-pipe the wastes (if required), you may have to use ferring to lower the joists below the level of the p-traps.
    Maybe only 2X2 required, but do the pumbing first and see what is required...
    Unfortunately you cannot "roll" p-traps and "short" p-traps do not exist (AFAIK) - the water seal must have a minimum depth.
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