Did you know that asphyxiation due to smoke inhalation is the lead cause of fire-related deaths? This cause actually exceeds burns by a 3:1 ratio. This statistic has driven certain building codes such as enclosed elevator lobbies in order to protect occupants from both fire and smoke. in the event of an emergency.
When discussing smoke and fire-rated curtains, emphasis is always put on doorways or elevators. However, it is also important to consider any internal windows you may have.