The center of the lav s drain is located 18 approximately above the finished floor.
Floor drain in upstairs bathroom.
The plumber who did the final plumbing for the half bath a couple of years ago put it there instead of a true vent probably because it s in.
The bathroom sink s water lines are roughed in 3 inches above the drain.
The picture shows this bathroom.
The drains go beneath it to the basement but notice the aav under the lavatory sink.
This will hold the lines in place until you are ready to add furniture and individual fixtures.
How to fix a leak from the upstairs bathroom.
If you have a second story bathroom the problem could be in.
The noise will keep you awake.
Measure 21 inches approximately above the finished floor.
Once you understand where the stink comes from you can get rid of it.
On a second floor try to position it so it backs onto a bathroom.
Temporarily secure the tops of the pipes against a stud in the wall by placing a pipe strap around each line and tapping the provided nails into the studs.
Have a helper guide the tops of the pipes into the opening in the upstairs bathroom wall.
Another possibility is continuous dripping of water.
Rinse away the bleach with a gallon of hot water dumped slowly down the drain.
In most cases it occurs from the sewer where accumulated organic waste hair and soap create a biofilm.
Run cold water for ten minutes to finish rinsing the drain.
If something is leaking in your upstairs bathroom you will probably know by the stains on the ceiling below it.
In some circumstances the ceiling will be continuously damp and other times it may cycle between getting wet and drying.
Don t put the laundry too close to sleeping areas.
Close to kitchens and washrooms.
For convenience on the main floor anywhere off the kitchen makes sense as does a mudroom or off the garage.
A damp spot or worse a continuous drip from the ceiling overhead signals trouble.
After thoroughly cleaning the bathroom approach different corners and drains above the bathtub or floor and try to determine where the smell is strongest.
This means that it joins a drain for a first floor half bathroom under stairs.
Rinse the drain with a gallon of hot water wait 15 minutes then rinse with cold water for ten minutes.