Sec. 6-22. Repairs To Existing Frame Building:
   (a)   No person shall repair any existing frame building within the fire limits after the same shall be damaged by any cause to the extent of fifty percent (50%) of its value.
   (b)   Any existing frame building within the fire limits may be brick veneered or veneered with other noncombustible material. (1963 Code § 22.303)