"The IBC is a model code that provides minimum requirements to safeguard the public health, safety and general welfare of the occupants of new and existing buildings and structures." -- Preface. 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,...

"Establishes minimum regulations for mechanical systems using prescriptive and performance-related provisions. The IMC was developed with broad-based principles that make possible the use of new materials, methods and design.Important changes in the edition include:Clothes dryer exhaust terminals required to be at least 3 feet from any opening into a building.Polyurethane spray-applied foam on the exterior of ducts in attics and crawl spaces required...