A fire resistant door is specially constructed to slow or prevent the spread of fire and smoke. These doors are not designed to be completely fireproof, and are actually made of combustible materials. Though they will eventually burn in a fire, they will resistant high levels of heat and flames to slow the fire for a specified period of time. By keeping the fire contained, fire doors may allow more occupants to safely exit the building during an emergency. They may also help to protect property and assets while firefighters work to put out the flames.