Code for the doorway opening to the bathroom is 32 inches with 34 inches being the recommendation.
Shower door height code.
For assistance with your specific situation contact your shower manufacturer.
Shower floor minimum size is usually mandated to be at least 30 inches square.
The shower door needs to have an opening clearance of at least 24 inches.
Shower maximum sizes are not mandated but minimum sizes are regulated.
That is 30 inches by 30 inches.
Because shower doors are usually glass and can break and because of other access issues bathroom code states that shower doors need to have at least 24 inches of opening clearance.
Toilet bathroom building codes.
So says the building code.
There s no doubt threshold height can be confusing.
This is also a safety issue because users who are forced to slip around narrow door openings are more prone to slipping on the floor.
This is because shower doors often are made of materials such as glass that can easily break and pose a danger.
Threshold heights vary from 1 2 to 2 in many shower and pan designs though some have more or fewer options based on the shower or pan s size.
A minimum space of 21 inches must be planned in front of lavatory toilet bidet and tub.
A minimum space of 24 inches must be planned in front of a shower entry.