Acoustic and fire performance

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Acoustic and fire performance through head of a partition

The query relates to the separating wall between the lobby and auditoria.

Acoustic and fire performance with ladder bulkhead

How do you maintain acoustic and fire performance through the head of a partition, where there is a structural beam and a deflection requirement?

Construct a ladder-frame bulkhead with boards to suit the partition system, with additional mineral wool insulation within steel zone. By doing so, deflection within the beam/structure will be accommodated by the partition-head underneath.

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