laundry sewage smell

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by pagirl, Nov 3, 2005.

  1. pagirl

    pagirl New Member

    Messages:
    8
    Location:
    butler, pa
    Can anyone help me please. Everytime I do the laundry, a sewage smell appears. My laundry basin is in the basement. The laundry water goes into the basin. There is no water on the rug. I cant tell exactly where the smell is coming from. It smells underneath the laundry basin and also at the sewage pipe that is next to the basin. The carpet covers the floor drain that is right in front of the basin. There was sectional carpet in the basement for atleast 7 years. We replaced it with wall to wall carpet 1 1/2 years ago. We had it professionally installed, so I assume he knew what he was doing as far as covering the floor drain goes. Thanks for the help.
  2. Lakee911

    Lakee911 I&C Engineer (mostly WWTP)

    Messages:
    1,328
    Location:
    Columbus, OH
    Floor Drain Trap may have dried up?

    Jason
  3. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,341
    Location:
    Yakima WA
    Try pouring a quart of water in the floor drain. When drains are not used for a period of time, the water in the trap evaporates and you lose the protective seal. I have the drains in my basement that I have to remember to give a drink or I'll be reminded.
  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    21,948
    Location:
    New England
    The rush of water from the washing machine displaces the air in the pipe. Normally, this air goes out the vent pipe up to the roof. Since the floor drain is also connected to this and it is closer to where you are discharging the water, if its trap is not full of water, the air escapes there as well. You really need to either cap the floor drain, or if you need it, then probably add an automatic filler for it. It must contain water, or it will allow sewer gasses to escape. Note, some is probably always coming out there, but without the rush of water in the nearby drain, you don't notice it as much because the carpeting and padding block or slow it considerably. My unprofessional opinion.
  5. plumber1

    plumber1 Plumber

    Messages:
    1,423
    Location:
    Florida
    smell

    Can you get to the floor drain?

    They make a rubber stopper that fits into the drain and is held in by tightening a thumb screw and expanding the stopper.

    I have seen home owner use a rubber ball and wedge it into the top of the drain............
  6. pagirl

    pagirl New Member

    Messages:
    8
    Location:
    butler, pa
    thanks everyone for your replies. I appriciate it.
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