Dependant on its location it need not necessarily be fire rated or steel framed.
Emergency exit door height.
Exit discharge means the part of the exit route that leads directly outside or to a street walkway refuge area public way or open space with access to the outside.
If there is a fire in the area where occupants are they are already being exposed to smoke fire and heat.
A path of travel door is a door in the egress pathway leading to or between a fire door or exit door.
Path of travel door.
The exit and exit discharge must be at least equal to the width of the exit access.
An example of an exit discharge is a door at the bottom of a two hour fire resistance rated enclosed stairway that discharges to a place of safety outside the building.
The nfpa emergency exit door requirements code states there is a maximum travel distance allowed to find an exit.
An exit door is a door that allows an emergency exit from a building.
Objects that project into the exit must not reduce its width.
For more detail on exit routes and related standards see exit routes emergency action plans and fire prevention plans in title 29 of the code of federal regulations cfr 1910 33 39.
Outdoor exit routes are permitted but must meet the minimum height and width requirement for indoor exit routes and must have guardrails to protect unenclosed sides if a fall hazard exists.
A steel fire resistant door frame is also used.