(B) Unless otherwise specified in a Master Sign Plan, the structural supports and foundation of principal ground signs shall match the principal material found in the principal structure(s) on the site.
(C) Background material of principal ground signs shall match the primary material found in the principal structure(s) or be architecturally compatible in style and color (e.g., materials such as synthetic wood and other similar materials may be considered).
(D) Materials such as metal, PVC, and acrylic may be used for individual letters and raceways.
(E) Changeable copy shall be allowed only on signs permitted in accordance with Section 9.2.5 for theaters, service stations, and for property with an institutional use provided that:
(1) A theater with a marquee may display changeable copy on the marquee. A theater without a marquee may display one (1) changeable copy sign on each wall permitted to have wall signs.
(2) A service station may use up to one-half (½) of the area of its principal ground sign or one-half (½) of the area of any wall sign for changeable copy.
(3) A property with an institutional use may have changeable copy on up to fifty percent (50%) of the principal ground sign and/or the entire area of Directional signs. When used on a principal ground sign, the materials must follow the standards for principal ground signs stated in this chapter.