(A) No building or structure of wooden, ironclad, stucco, or other veneer type of construction, or any building whose walls contain wood supports, shall be permitted except as indicated in § 91.04; provided, however, dwelling houses may be permitted of the same or similar construction as the dwelling houses now existing within the city.
(B) On all other buildings hereinafter constructed, the thickness of the walls shall be not less than as given below:
(1) Brick walls shall be not less than 12 inches thick, except that one-story buildings with floor areas of 750 square feet or less may have walls of eight inches thick.
(2) Reinforced concrete walls may be three quarters of the thickness of brick walls, but in no case less than six inches.
(3) Hollow building tile may be used as filler walls, provided the walls be supported on reinforced concrete beams and footings, and by adequate reinforced concrete or brick pillars or columns spaced not more than 16 feet apart; walls to be not less than 12 inches thick, except small one-story buildings of less than 750 square feet floor area may have walls of eight-inch hollow building tile.
(4) Solid stone walls shall be four inches thicker than brick walls for like construction.
(5) All exterior walls, party walls, and division firewalls shall have parapets extending at least 18 inches above the roof, and the parapets shall be at least 12 inches thick, except where eight-inch walls are permitted as above, in which case parapets may be eight inches thick.
(Ord. 5-73, passed 5-4-1973) Penalty, see § 91.99