Obstructions
to fire escapes, designated access openings in exterior walls for
Fire Department use, stairs, passageways, doors, or windows and other
fenestrations liable to interfere with the operations of the Fire
Department or egress of occupants in case of fire shall not be permitted.
Highly
flammable materials, including but not limited to towels, blankets,
straw, dry vines or leaves, artificial flowers or shrubbery, and foam
plastic materials shall not be used for the purpose of covering, obscuring,
protecting, or decorating any door, window, or other fenestration,
unless flame retardant.