Marking do not block door signs 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 Do Not Block Doors signs where they are readily visible. Getting everyone out quickly and safely is the number one concern. Placing bold, clear, do not block door Signs for your employees and patrons is central to maintaining a safe and secure facility. Place do not block door signs throughout your workplace wherever an extra reminder could save time and reduce confusion in an emergency.