Unguarded rack is dangerous if there are people working in the aisles below. Safety managers know this, insurance companies know it, and if you have rack in your facility, you probably know it too. You have probably seen pallets break. You’ve seen drivers make mistakes when loading & unloading. We’ve seen things fall. If you’ve been in the business any length of time, you may have walked into your warehouse in the morning to find a case of something from the fourth level split open on the floor.