Fire Doors Sydney - Australia

A fire rated door is a very heavy door made of materials like metal or gypsum. Its main purpose is to hold back smoke and to contain fire. The term fire rated means that the door, when installed properly, is not supposed to combust during a certain time period in the average fire. Time ratings vary and some standard ratings include 20-90 minute doors. Depending upon area small companies or government agencies may determine fire ratings.
Certain buildings or remodeling jobs might require a fire rated door. They are often installed in public buildings, in office buildings and in places like dormitories.
One thing that renders a fire doors Sydney ineffective is propping it open. If the door is not shut, it can't hold back smoke or contain fire.