1139.18 PERMITTED SIGN MATERIALS.
   (a)   All exterior portions and display areas of any permanent exterior sign open to the elements shall be constructed of one (1) or more of the following materials:
               (1)   Aluminum, brick, glass plastic, painted treated or stainless steel, stone, rough-faced block, thermoplastic, hard vinyl; finished, sealed or treated exterior grade wood, or similar compatible materials in any combination generally recognized and expressly designed for sign construction, erection and operation.
      (2)   Fabric and canvas shall be permitted when used in conjunction with awning or canopy signs.
   (b)   Composite, compounded or synthetic matter or materials not generally recognized and expressly designed for sign construction, erection and operation may be approved by the Board of Zoning Appeals.
   (c)   Incorporation of materials matching or compatible to the materials used in the construction of the principal structure is encouraged in the design of proposed permanent exterior signs. (Ord. 17-46. Passed 2-5-18.)