A section in a building formed by fire walls and fire doors to prevent a fire from spreading beyond its confines into other parts of the building. It may affect rating and the insurer’s view on estimated maximum loss. An insurer may regard a fire division as being achieved when the fire resistant rating is a given level, e.g. four hours.
*****
Portion of a building or other area which is sufficiently enclosed against spread of Fire so that if a Fire begins within the division, it will not spread beyond its boundaries. Knowing the size and potential values of the largest Fire division within a given structure or other property is helpful in defining the maximum probable Fire loss to that property.