All structures constructed in the Central Area of the city shall comply with the following materials restrictions:
A. Roofing: Except as otherwise prohibited by law, every structure used as a residence in any single-family residential zone shall have a roof constructed with wood shake, shingle, asphalt composition, crushed rock, or other roofing material which the director of building and safety deems equivalent. Reflective, glossy, polished, and/or roll formed type metal roofing shall be prohibited.
B. Siding: Except as otherwise prohibited by law, every structure used as a residence in any single-family residential zone shall have exterior siding of brick, wood, stucco, metal, concrete, or other siding material which the director of building and safety deems equivalent. Reflective, glossy, polished, and/or roll formed type metal siding shall be prohibited on such structures.
C. Alternate Materials: Notwithstanding any other provision of this section, the director of building and safety may authorize the use of materials not otherwise authorized pursuant to this section if the director finds that:
1. The use of an otherwise prohibited material would enhance the architectural compatibility of the proposed structure with existing structures in the neighborhood;
2. A proposed alteration or addition to an existing residential structure with the prohibited material will be a continuation of such structure's architectural style; or
3. The use of an otherwise prohibited material is necessary to provide adequate safety or to comply with other laws or regulations applicable to the subject structure. (Ord. 85-O-1953, eff. 7-4-1985; amd. Ord. 95-O-2239, eff. 7-7-1995; Ord. 01-O-2384, eff. 11-2-2001; Ord. 02-O-2403, eff. 9-6-2002)