If your 8 inch rough in clearance refers to the distance between the rear wall and the closet flange you face an installation challenge.
Toilet rough in basement floor.
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.
Just get a water closet with a 10 rough in.
The rough in is a measurement that you need to ensure that your toilet fits snugly against the wall.
Most toilet manufacturers produce units that require at least 10 12 or 14 inches between the wall and flange.
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.
Choose a toilet with a smaller measurement than your rough in and won t fit against the wall.
The toilet flange distance from wall also known as a closet flange is the pipe fitting which mounts a toilet to the floor connecting the toilet drain to the drain pipe.
This will also help you when you measure out the length of pvc you ll need.
Or suppose you re roughing in a toilet and there s a floor joist in your way.
Identify where you want the sink and the toilet to be placed in the basement.