Window criteria.
Columbus City Codes § 4191.11
in effect4191.11 - Window criteria.
(A) Windows shall be of double-glazed glass and each layer of the glass shall be at least one-eighth inch thick with a Sound Transmission Class rating of 39.
(B) Double glazed windows shall employ fixed sash or efficiently weather-stripped operable sash. The sash shall be rigid and weather-stripped with material that is compressed airtight when the window is closed.
(C) At least one window in each sleeping room shall be operable for emergency egress.
(D) Glass of fixed-sash windows shall be sealed in an airtight manner with a non-hardening sealant, or soft elastomeric gasket or glazing tape.
(E) The perimeter of a window frame shall be sealed airtight to the exterior wall construction with resilient sealant.
(F) The total area of glass of both windows and exterior doors in sleeping spaces shall not exceed 20 percent of the floor area.
(Ord. 1138-94.)
Source: City of Columbus, City Codes and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/oh/columbus/codes/code_of_ordinances?nodeId=TIT41BUCO_CH4191AIEN_4191.11WICRFetched: 10/27/2026