(a) Construction. Wall signs shall be constructed of non-combustible materials. However, facings, letters, figures, decorations and structural trim thereof may be made of approved combustible materials.
(b) Supports and attachments. Wall signs shall be securely fastened to a masonry wall by means of anchors, bolts, expansion screws or similar connectors. A wall sign which is attached to a wall of wood may be anchored with wood blocks used in connection with screws and nails. A wall sign shall not be entirely supported by an unbraced parapet wall.
(Ord. 4778, approved 11-16-1976)