Commercial door security is a serious issue that should not be taken lightly. There are many things you can do to ensure your commercial door is as secure as possible. Here are 7 tips that will assist you in locking down your door: 1) Make sure all doors have a lock 2) Use a strike plate 3) Use a deadbolt 4) Use an anti-kick device 5) Use a door stop 6) Install a door viewer 7) Use an alarm system