JLC ??MAY 1991 PANIC BAR P R I M E R Commercial exit hardware requires careful ordering and precise installation. Good templates and instructions help simplify the work. Although you may not realize it, the door opening hardware you engage with your hip as you leave McDonald's with your morning coffee can be a profitable sideline. In addition, it can offer a way to break into commercial work. Known as exit devices to manufacturers, specifiers, and building officials, they are required on nearly all commercial doors that offer egress. More commonly called "panic bars," they are relatively easy to install given the instructions and templates that come packed with them. But because of the job they do and the amount of use they get, there