Except as provided in Section 13-96-050 for sale and rental signs, all outdoor signs shall comply with the following construction requirements:
(a) Sign Structures. Sign structures shall be of noncombustible materials with the following exceptions:
(1) The sign structure of ground signs not exceeding 15 feet six inches in height may be of combustible materials.
(2) Heavy timber members may be used for bearing and anchoring of roof signs at the roof level.
(b) Structural Trim. Structural trim of signs located within the fire limits shall be of noncombustible materials.
(c) Sign Facings. Facings shall be of noncombustible materials except that facings of approved combustible materials not exceeding a total of 100 square feet in area shall be permitted on each face of any sign.
(d) Letters and Decorations. Letters and decorations of signs shall be made of noncombustible materials, except that:
Letters and decorations may be made from or faced with approved combustible materials, provided, that the area occupied or covered by such letters and decorations is limited on the following basis:
Area of Display Surface | Maximum Area Occupied or Covered by Combustible Materials |
Not more than 100 sq. ft. | 100% of display surface area. |
More than 100 sq. ft. but less than 2,100 sq. ft. | 100 sq. ft. plus 25% of the difference between 100 sq. ft. and the area of the display surface. |
More than 2,100 sq. ft. | 600 sq. ft. |
(Prior code § 61-2.4)