same way they work in an office building or any other building
have fire proof doors. unplug all sockets before leaving the house or sleeping.
wondoor.com shows a video of the doors in operation. Normally an alarm or sprinkler system activates it and the door closes
A AC system does not have to work as hard if doors are closed unless someone is going in or out. If doors are left open heat can get into the house.
in schools, hospitals, work places and many more places....
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The answer would depend upon what code and standard applies in that jurisdiction and to that particular type of house. For example, NFPA 101 Life Safety Code (2009) has no requirement for any fire rating of any doors in a one- or two-family dwelling.
Firefighters use it to help break open doors in a fire.
the doors also, its "light MY fire"
the white house has i think 412 doors
How evry many doors are in your house.
My House Has Two Doors was created in 1980.
fire doors will prevent fire from speeding for only a certain amount of time, they are rated for different times. basically the create a wall that will stop the fire.