Fire doors perform a vital role in commercial buildings. By slowing the spread of fire, they can help to improve safety, but they also have many other benefits. Take a look at these often-overlooked benefits of fire door installation. 1. Employee Safety Fire doors cannot prevent a fire from breaking out in your commercial building, but they can slow down the rate at which it spreads. As a result, people have more time to escape, which reduces the risk of anyone being killed or seriously harmed.