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		 What is fire code in a 50-60+yr old house?  I have a finished basement, previous owners remodeled so that basement access door only 1/2 height.  I totally removed door.  There is good airflow exchange up/down the stairwell.  Yes I have a woodstove in basement wherein I cut two opening in floor above, blocked off between joices and have standard registers in floor above (maybe 3 1/2-4 x 10").  BTW I made a box with one end open, kind of like ram air, to force the hot stove air as it travels along ceiling into the vents.  I do have an electric fan in one but rarely use it. 
 
 
There is no fireblocking in house walls that I can tell. 
 
Installation passed inspection by proper fire authorities. 
		
		
		
		
		
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