What is a 30 minute fire door?
Specifications of FD30 fire doors. Fire doors are divided into two main categories FD30 doors and FD60 doors. The difference between the two is that FD30 doors essentially mean 30-minute fire doors, and FD60 doors means 60-minute fire doors. FD30 doors offer 30-minute fire protection and 60-minute FD60 doors.
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