2021 International Building Code, Tabbed & Highlighted

This code applies to all buildings except detached one- and two-family dwellings and townhouses up to three stories. The 2021 IBC® contains many important changes such as:

• Puzzle rooms (escape rooms) are now defined and regulated as special amusement areas, requiring compliance with Section 411 and special means of egress requirements.


• For the purposes of determining the allowable number of control areas in a building, each portion separated by one or more fire walls is now considered as a separate building.


• In Group E occupancies, enhanced classroom acoustics in compliance with ICC A117.1 are to be provided in all classrooms having of volume of 20,000 cubic feet or less………..and more