The International Building Code requires all smoke barriers to be what?

The requirement for smoke barriers to be permanently identified with signs or stenciling is crucial for safety and emergency response. Smoke barriers are structures that are designed to restrict the movement of smoke within a building during a fire. Proper identification ensures that occupants and first responders can quickly locate these barriers in the event of an emergency. Clearly marked smoke barriers help in guiding people safely out of hazardous areas and can assist firefighters in navigating the building during fire response efforts, reducing confusion and potential injuries.

The focus on permanent identification also aligns with safety standards that emphasize clear communication in building design, especially in emergency situations. This practice is integral for achieving compliance with the International Building Code, which prioritizes the protection of life and property in the event of a fire. The other options, while they may relate to building safety, do not reflect the specific requirement set forth in the code regarding smoke barriers as clearly or effectively.