Sewer Gas Smell in Laundry Room

Discussion in 'XDTalk Chatter Box' started by Spammy_H, Sep 7, 2011.

  1. Sep 7, 2011 #1
    Spammy_H

    Spammy_H XDTalk 1K Member

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    If I have to call in a plumber, I will, but thought I'd try to pick the collective brain of the XD Forum first:

    I'm getting a persistent sewer gas smell in my laundry room. I'm thinking it has something to do with the trap not holding water, but not sure why.

    Could there be something messed up with my vent stack?

    I appreciate any ideas all of you might have.
     
  2. Sep 7, 2011 #2
    Groo

    Groo XDTalk 10K Member

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    yup, a clogged vent stack could cause the trap to empty.
     
  3. Sep 7, 2011 #3
    Bucc5207

    Bucc5207 XDTalk 5K Member

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    Do you have any little-used drains that might have gone dry? Maybe a floor drain?
     
  4. Sep 7, 2011 #4
    rayikeo2

    rayikeo2 XDTalk 4K Member

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    Nothing to worry about, you can fix it 5 minutes at no cost. It happens all the time at my house. The reason, one of your drains has evaporated the water that blocks sewer gas from backing up into the house.

    The fix: Locate all drains in that room (floor drain, sink drain, unused washer drain pipe, and ony other drains you find) and pour 1 quart of water into each drain. The smell will go away in a short time.

    I have a floor drain in my furnace room, durning the winter it evaporates the water because the AC is no longer draining condensation into that drain. I have to pour in water every 2 weeks. It is as simple as that. Absolutely no work involved.:D:D:D

    Don't worry about the vent either!
     
  5. Sep 7, 2011 #5
    Mr Evilwrench

    Mr Evilwrench XDTalk 500 Member

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    I have a shower stall I don't use for showering because it gets water all over the wall and floor, so I have the litter box there. I eventually wound up duct taping the drain closed to keep it from doing that.
     
  6. Sep 7, 2011 #6
    Smiley

    Smiley XDTalk Newbie

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    you can also fill unused drain with water then pour about a half to full cup of vegetable oil in...the oil helps to keep the water from evaporating as quickly...
     
  7. Sep 7, 2011 #7
    Spammy_H

    Spammy_H XDTalk 1K Member

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    Thanks - I don't think the trap is evaporating - the washing machine is used almost every day. I guess I'm leaning more toward the vent stack being clogged.

    Any idea what would cause a clogged stack? I'll do some research online as well.
     
  8. Sep 7, 2011 #8
    partdeux

    partdeux XDTalk 1K Member

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    leaves, critters, debris.

    Is there a floor drain? That is the likely candidate for a dried out trap.
     
  9. Sep 7, 2011 #9
    Spammy_H

    Spammy_H XDTalk 1K Member

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    Partdeux - good points.

    No floor drain, just the wastewater for the washing machine.

    Will get onto the roof later, take a look, and report back.
     
  10. Sep 7, 2011 #10
    rayikeo2

    rayikeo2 XDTalk 4K Member

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    ^^
    This is my opinion also. Before you go up on the roof to check the vent pipe you need to double check the drains.. Look in other rooms too. There has to be a dry vent, it could be a sink, one side of a double sink, a bath tub, an unused washer drain pipe. These things are easy to check. If you put water into each one the smell will go away. It might take overnight if the air circulation is slow. Check all adjoining rooms for any and all drains. I think you are not finding a drain in a well hidden spot. Look again, be through.
    Vent pipe clogs are as rare as hens teeth.
     

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