its the frame on the door at the bottom which under the circumstances would block out smoke in the case of a fire :)
when there is a fire you go out of the Fire Door.
a new door will open next year it will be ice or water but in the mean time try to be a fire ninja
cut the door
Get some of the Blue Fire in a bottle and empty it over the ice.
the fire door is usually rigged with an alarm that in some cases immediately calls the fire department
Generaly if a wood block is not touching a flaming block or a block that can be set on fire, the chances of the wood catching on fire is very low (although still possible)
A microwave door.
No, there currently (January 2015) is no fire door on Moshi Monsters.
The magnet holds the door open so long as power is present. Power is automatically interrupted with a fire alarm or if power is lost. Then fire door is closed to contain any fire.
gypsum
In the UK a solid core door is the term for a fire door. These vary from a half hour to a two hour fire door. A flush fire door is around fifty pounds/ half hour that is.