6. No frame building within the fire limits shall be in-
creased in area by frame additions, except that frame ex-
tensions to be used exclusively for toilet purposes may be
permitted, but any such extension shall have an approved
roof covering.
7. Any frame building which may hereafter have the
first story converted into a store, shall have the walls, parti-
tions and ceiling of such first story covered with metal lath
or J4 inch fibre plaster board and plastered to a total thick-
ness of at least ^ inch ; or the plaster board may be cov-
ered with sheet metal. Fire stops shall also be provided at
the line of the ceiling to cut off all connection to stories
aboye through hollow stud partitions or side walls.
Fire stops in frame buildings, Sec. 190, par. 5.
8. Any existing frame building within the fire limits,
which may hereafter be damaged by fire, decay or other-
wise to an amount greater than one-half of its value ex-
clusive of the foundation, shall not be repaired or rebuilt,
but shall be immediately removed.
