Ohio Rev. Code Ann. § 3781.18

Wherever Chapters 3781. and 3791. of the Revised Code or the rules adopted pursuant to those chapters describe particular fixtures, devices, materials, systems, method of manufacture, product of a manufacturing process, or methods or manners of construction or installation pertaining to nonresidential buildings, those descriptions prescribe minimum standards of safety and sanitary conditions that a particular fixture, device, material, system, method of manufacture, product of a manufacturing process, or method or manner of construction or installation exemplifies. The use of another fixture, device, material, system, industrialized unit, newly designed product, or method, or manner of construction or installation that is at variance with the descriptions is permissible if the fixture, device, material, system, manufactured component or unit, product, method, or manner of construction complies with performance standards as the board determines.