It shall be prohibited to accumulate or store:
A. On residential premises, except in approved locations,
any highly flammable or explosive matter, such as paints, volatile
oils, cleaning fluids and similar materials or any combustible refuse
liable to spontaneous combustion, such as wastepaper, boxes, rags
or similar materials.
B. Materials on fire escapes or stairs, in stairways
or passageways, at doors or windows or in any other locations where,
in the event of fire, such materials may obstruct egress of occupants
or interfere with fire-fighting operations.
Interior finish materials for acoustical correction,
surface insulation and decorative treatment on the surfaces of walls
and ceilings and interior trim shall be of materials that will not,
in burning, give off excessive amounts of smoke or objectionable gases.