Check for standing water on the floor or cabinet base beneath the u shaped pipe the p trap under the sink.
Dry trap on second floor causing smell downstairs.
A floor drain is pretty self explanatory.
A sewer odor that emits from the bathroom sink drain can cause you to panic.
It s a drain in your floor usually found in store rooms washrooms loading docks and hallways.
The smell seems to be like a sewer gas vent leak smell you encounter with a dry trap.
I live in a 2 story house.
The strong smell can quickly fill your bathroom with an unpleasant odor.
Dry air might just be the cause of that unpleasant rotten egg smell in your home.
Water in any trap under unused drains will eventually evaporate.
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Such as on a floor drain shower or toilet.
Sure you could find it in other places but you ll typically find them in these couple rooms.
Sewer gas sulphur odor leak discovery cause repairs where a basement or crawl space floor drain or drain trap is the problem.
Floor drain sewage odor problem troubleshooting.
Especially during winter a p trap can dry up and allow sewer gas to enter the home.
Maybe the trap is just drying out from not being used.
An empty or dried out p trap is the most common cause of sewer gas smells.
The house is connected to the city sewer.
No smell around the toilet sink.
A sewer gas smell is coming from a p trap that has lost its water for some reason.
Also run your hand along the length of the pipe to detect any moisture.
However every drain must have a properly vented p trap.
Determining the cause of the sewer smell can help you prevent it from returning in the future.
The most common reasons are a backed up sewer cracked or rotted pipes that leak clogged drains pipe connections are too loose the vent pipe is backed up or too short there is an old wax ring or a dry trap.
Upon inspection the homeowner might find the source of the smell is coming from a lesser used sink shower floor drain toilet or laundry.
2nd story has 2 bathrooms downstairs has the kitchen and 1 bathroom.
The apartment is in the second floor at one corner of the building.
Well let s dive in to the world of dry traps and floor drains.
Finding the source of the basement smell.
Sewer odor in bathrooms has several different causes.
You have a water trap under a floor drain laundry tub or wash basin that has dried out from lack of use.
In some areas it can take three to five months without use for water within the p trap to dry out and allow the sewer gasses to flow inside.
If you notice a foul sewer smell in your house or basement here are the five possible causes in order of probability.
The p trap and the floor drain.
