Ofallon City Zoning Code

In areas zoned "I-2," no more than seventy-five percent (75%) of the surface area of the front elevation (the elevation facing a public street or road) may consist of metal siding. The remaining area must be of an alternate material, including, but not limited to, brick, split faced block, exterior finish insulation system (EFIS), stucco, stone as approved by the Planning and Zoning Commission. All other elevations may, but are not required to be, of entirely metal siding. Notwithstanding the foregoing, in all areas zoned "I-2":

In areas zoned "I-1," no more than twenty-five percent (25%) of the surface area of the front elevation (the elevation facing a public street or road) may consist of metal siding. The remaining area must be of an alternate material, including, but not limited to, brick, split faced block, exterior finish insulation system (EFIS), stucco, stone as approved by the Planning and Zoning Commission. Metal siding used in areas zoned "I-1" may not have exposed fasteners. Notwithstanding the foregoing, in platted industrial parks in existence as of October 24, 2002, metal siding may be used consistent with the construction of existing buildings or structures in the industrial park, provided that the requirements of Subsection (A)(1) hereof shall be the minimum requirements.

In areas zoned "C-O," "C-1," "C-2," "C-3," "HTCD" or "MUTDD," metal siding may not be used in the construction of the exterior of any building or structure. Notwithstanding the foregoing, trim and acceptable materials may include metal, provided that not more than fifteen percent (15%) of the surface area of any elevation is constructed of such material.

In areas zoned "R-1," "R-1A," "R-2," "R-3," "R-4," "R-5," or "P-R," metal siding may not be used in the construction of the exterior of any building or structure.

In areas zoned "AG," metal siding may be used in the construction of the exterior of any building or structure.

In areas zoned "C-O," "C-1," "C-2," "C-3," "HTCD," "MUTDD," "I-1" or "I-2," aluminum composite material (ACM) panels may be used as accent features, provided that not more than thirty percent (30%) of the surface area of any elevation is constructed of such material.

Any building or structure for which site plan approval has been granted or for which a building permit has been issued as of the date of passage of this Section;

Any building or structure otherwise exempt from these requirements pursuant to existing law; or

Any accessory structures to a single- or two-family residence.