It can be manipulated in several ways to achieve different finishes. Because of its firm character, steel door goes a longer way compared to other ones.
Steel doors are not merely complete hard slabs of steel. Rather, they are contain a polystyrene foam core which is subsequently wrapped with a steel cover.
The doors made of steel are highly fire-rated, offering 18 or 12 gauge steel layer with about 30 to 90 minutes fire resistance. In general language, the door can withstand extensive heat and fire flame for about 30 to 90 minutes depending on the customer requirement. And it helps the residents to get a safe place in an emergency condition.
Also steel doors are unbreakable and serve as a great security feature to protect your home.