The door itself is about 32 in.
How wide is an average shower door.
Measure the opening height.
If these differ select a door using the larger width for a bypass door or the smaller width for a pivot door.
If the width is longer than 36 inches you may have to include an extra panel to the door to support the weight of the structure.
When framing the alcove do not add any extra space to accommodate the shower tub.
The lowest discount prices.
If trying to do a single fixed panel glass shower screen try to use a rain shower head and for the hand sprayer spray away from the opening toward the front of the shower and you will be fine.
The frame on each side means the opening is a little smaller than that.
It must be exactly 60 inches.
I had to have a shower door replaced once and the impression i got was that they would make it whatever size we needed this was just a cheap framed door of course.
This dimension might be direct to stud or between two wall coverings.
With a 48 opening you may want to go with a 32 door as a 24 panel probably won t contain the water even with a rain shower to your liking.
Determine the distance from the top of the tub edge or shower base to the top of the wall unit or tile wall where you want the door to be located.
In general the width of a shower door should be between 22 inches and 36 inches.