INTERIOR FINISH MATERIALS
32. (1) Interior finish materials on the walls
and ceilings of exits shall be noncombustible, unless otherwise
approved.
(2) Despite subsection (1),
(a) materials that have a fire hazard
classification not exceeding flame spread-25, or such other
fire hazard classification as may be approved, may be used
on the walls of corridors;
(b) materials having a thickness not
in excess of 1.5mm and installed on the walls of corridors
before the 1st day of September, 1971 are permitted;
(c) wood or other approved materials,
treated with an approved fire retardant, may be used on
the walls of lobbies, foyers, vestibules, entrance halls
and other major entrance areas to a hotel;
(d) combustible materials that have
a fire hazard classification not exceeding flame spread-150
may be used on the walls and ceilings of exits, except enclosed
exit stairways, if the exits are protected by an approved
sprinkler system.
33. The fire hazard classification of interior
finish materials on the walls and ceilings of places of
assembly shall not exceed flame spread-150.
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