2021 International Building Code

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 s...