The rough in is a measurement that you need to ensure that your toilet fits snugly against the wall.
Toilet rough in basement floor.
Choose a toilet with a smaller measurement than your rough in and won t fit against the wall.
Find the main drain line photo 1.
Just get a water closet with a 10 rough in.
Connect the basement bathroom plumbing to the existing drain and vent lines in the floor and ceiling to complete the rough in plumbing.
If your 8 inch rough in clearance refers to the distance between the rear wall and the closet flange you face an installation challenge.
Identify where you want the sink and the toilet to be placed in the basement.
This will also help you when you measure out the length of pvc you ll need.
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.
Most toilet manufacturers produce units that require at least 10 12 or 14 inches between the wall and flange.
Knowing these things can save you time and money.
A crude drawing may be helpful to visualize where the you want the new sink and toilet in relation to the existing pipe.
You may be able to use a different toilet rough in to dodge the framing.