Exits must be separated by fire resistant materials that is one hour fire resistance rating if the exit connects three or fewer stories and two hour fire resistance rating if the exit connects more than three floors.
Fire rated emergency exit doors.
It comes complete with an passage lockset single cylinder deadbolt two 4 1 2 in.
Entrance door complete with welded steel door frame.
Fire rated gray right hand flush steel prehung commercial door with welded frame deadlock and hardware the 36 in.
Fire doors are often equipped with panic hardware and fail safe or fail secure emergency exit locks.
There is an approved document guidance available from the builders hardware industry federation bhif hardware for fire and escape doors.
Options for panic hardware include a panic bar or push pad.
A fire door is a door with a fire resistance rating sometimes referred to as a fire protection rating for closures used as part of a passive fire protection system to reduce the spread of fire and smoke between separate compartments of a structure and to enable safe egress from a building or structure or ship.
Heavy duty spring hinges and one 4 1 2 in.
These hollow metal doors and frames must have a closing device and latch.
Fire rated doors specially made to withstand the extreme heat of fires.