EMERGENCY EXIT DO NOT BLOCK SignMarking emergency exits is one of the most important ways to prepare your facility for an emergency. Ensuring that everyone knows the location of entrances and exits in your facility is not just a convenience. Its purpose is also to guide people to the closest exit in case of fire or other emergency. Post EMERGENCY EXIT DO NOT BLOCK Signs where they are readily visible. Getting everyone out quickly and safely is the number one concern. Placing bold, clear, Exit and Entrance Signs for your employees and patrons is central to maintaining a safe and secure facility. Make sure your Emergency Exit Do Not Block locations are marked well. Place signs throughout your workplace wherever an extra reminder could save time and reduce confusion in an emergency.