Section 261. Fire door  


Latest version.
  • "Fire  door"  means  a  door constructed of such
      fire-resisting material as shall be specified in the rules of the board.
      The board shall determine and specify in its rules the materials and the
      manner of construction and erection of such doors,  the  sills  thereof,
      and  the  automatic  or  self-closing device requirements of such doors.
      Electric contacts or interlocks of a type approved by the board  may  be
      accepted  in lieu of self-closing devices on fire doors at each entrance
      to elevator or dumbwaiter hoistways.