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Which of the following is not a requirement for a fire-rated partition in a commercial building?
Non-combustible materials
Minimum thickness of 100 mm
Labeled with a fire rating
Continuous from floor to underside of roof sheathing
The correct answer is: Continuous from floor to underside of roof sheathing
A fire-rated partition in a commercial building must be made of non-combustible materials, have a minimum thickness of 100 mm, and be labeled with a fire rating. However, it does not necessarily need to be continuous from floor to underside of roof sheathing. Non-continuous fire-rated partitions may be used if it meets specific conditions and is approved by the building code or fire code authority.