A closed door can play a major role in preventing the spread of fire, smoke and hot gasses, but doors are not all equal with some made of flimsy egg box constructions, or single panel wood, others with standard glass.   What is a fire door? Purpose made certified Fire doors are designed to resist fire and prevent the passage of smoke and hot gasses for a designated period of time.   Delaying the spread of fire can enable people to escape a building safely and compartmentalise a higher risk area. Doors can be made of steel, wood or glass, providing they are made to the appropriate standard. These are different from final fire exit doors and are found internally in a building. How do I know if it’s a fire door? Every fire door will have a label, often on the top edge of the door or along the hinge side.   The label will state the fire resistance rating, usually FD30 (30 minutes), FD60 (60 minutes), or even FD 90 & 120. Other features include, intumescent strips and cold smo