In the modern world, it is becoming increasingly difficult to ensure a decent level of security of their own property. However, the ways of protection have not changed over time. For ensuring the safety of property of the owner of the apartment today, the doors are responsible for steel and garage gates. And in a situation of fire outside, they are a reliable damper from the penetration of fire into the room. Metal doors and gates are as opposed to temperature and chemical influences as much as possible, and today’s technologies provide increased stability of the metal to hack.