A shower rough-in usually refers to the distance from the wall to the center of the shower drain , measured out away from both walls in a shower to the center of the drain. It also maybe referring to the height and the center line of the placement of the shower valve.
It cant have more than 3 feet of length on it
The drain from the toilet to the main drain is plugged and the branch to the shower is not. If the main floor toilet flushes, it is between the two toilets and not between the house and the sewer.
First determine what you are going to install as the shower unit. If there is to be no shower unit and it will just drain through the concrete floor, then it will be flush with the floor. If you are installing a unit, then you need to look at the unit to determine the distance obove the concrete to place the drain.
Shower drain goes into a trap under shower. Continue piping from trap to drain line.
Water won't drain from shower. Either trap or shower drain line is clogged.
the sewer is where things that you flush or put down the drain go, a drain is the opening is a sink or shower that sends things to the sewer
YES.
typically shower drains are 2"
The center of the shower floor where the tile shower drain would normally be positioned ... drain base. After this step the sloped mortar bed should be ... pan liner or membrane in our instructions.
Possibly a caulked joint ( lead and oakum )
This can be a complicated job as the toilet drain ranges from 3" -4" and a variety of materials from Plastic to cast iron to galvanized. Then there is the venting to consider and NO a shower drain CANNOT be used for a toilet discharge as the shower drain is normally 2" diameter