The height from the bathroom floor outside the shower must be at least 72 inches according to the 2003 international plumbing codes handbook by r.
Wall mounted shower height.
Inside the shower the height from the drain to the top of the wall needs to be at least 70 inches.
The ada provides detailed requirements for shower seat design and placement including clearances between the seat and the shower opening between the seat and the shower wall.
The shower wall should be at least 72 inches in height from the bathroom floor outside the shower inside the shower the height from the drain to the top of the wall needs to be at least 70 inches.
When looking at the height of the shower walls consider two measurements.
For those using rain shower head it will require you a 4 5 or 8 height while handheld shower head is best if fitted with 36 to 72 hose pipe that can also be mounted.
The top of the seat must be a minimum of 17 inches and a maximum of 19 inches above the shower floor.
The requirement for seat height however is very simple.
The tallest person using your shower should have at least a foot of clearance accounting for at minimum a 3 inch shower arm and a head that s a few inches tall so that the rain has some distance to actually fall.