§ 64.402. Structural design and construction.

(a)

Building code. Signs in all zoning districts shall conform to the structural design standards of the state building code.

(b)

Supports. The supports for all signs except signs established by the city, county, state or federal governments, and subdivisions and agencies thereof, shall be placed in or upon private property and shall be securely built, constructed and erected in conformance with the requirements of this chapter.

(c)

Restrictions on combustible materials. All signs and sign structures, except freestanding signs, shall have structural members of noncombustible materials.

Combination signs, roof signs, wall signs, projecting signs, canopy signs and signs on marquees shall be constructed of noncombustible materials, except as provided in this subdivision. No combustible materials other than approved plastics shall be used in the construction of electric signs.

(1)

Nonstructural trim: Nonstructural trim and portable display surfaces may be of wood, metal, approved plastics or any combination thereof.

(2)

Display surfaces: Display surfaces in all types of signs may be made of wood, metal, plastics or approved materials.

Any section of approved plastics on wall signs shall not exceed a total of two hundred fifty (250) square feet in area.