Identify where you want the sink and the toilet to be placed in the basement.
Toilet rough in basement floor.
Choose a toilet with a smaller measurement than your rough in and won t fit against the wall.
Most toilet manufacturers produce units that require at least 10 12 or 14 inches between the wall and flange.
A crude drawing may be helpful to visualize where the you want the new sink and toilet in relation to the existing pipe.
Just get a water closet with a 10 rough in.
This will also help you when you measure out the length of pvc you ll need.
The rough in is a measurement that you need to ensure that your toilet fits snugly against the wall.
Find the main drain line photo 1.
Connect the basement bathroom plumbing to the existing drain and vent lines in the floor and ceiling to complete the rough in plumbing.
The distance of the toilet flange from the back wall depends on whether or not the construction is new or if a finished wall already exists.
Locate the main drain.
Knowing these things can save you time and money.
Or suppose you re roughing in a toilet and there s a floor joist in your way.