As regulated by the M District except as herein modified:
(A) Building construction. At least 80% of the exterior building walls facing streets shall be brick, stone, concrete, glass aggregate panels, marble, or ceramic tile. The balance of the exterior walls shall have metal or masonry facing or the equivalent in prefinish or job finished material. No unpainted block or wood will be permitted. All buildings, walls and fences shall be maintained at high standards. Any variation from the requirements of this section shall be permitted only if specifically authorized by the Planning Commission.
(Ord. 10-1986, passed 5-19-86; Am. Ord. 32-1994, passed 10-3-94)