Understanding how to recognize and check internal fire doors might simply save your life. Thankfully, a fire door is reasonably simple to determine thanks to particular tell tale signs. In case of a fire, knowing that you can rely on a min…

It's been quite a while considering that we went over security doors, so we thought it was due time for a refresher. Let's begin by reminding ourselves what they are and why we need them. What is a security door, and why do we need them? I…