Mechanical · M-Q6323

Vertical Fire/Smoke Damper Installation

Materials

Elements

Walls Partitions Ceilings Connections / Plates Roof / Floor Openings

About this detail

A fire/smoke damper is installed within a fire-rated wall assembly using framing and mounting angles per the manufacturer's instructions. The damper sleeve extends a minimum of three inches on each side of the partition, connecting to supply or return ductwork via breakaway connections. The damper blades are positioned to align within the rated wall assembly when closed. An actuator, auxiliary operating jack shaft, and control linkage connect to the damper, complemented by optional firestats or end switches. A twenty-four by twenty-four inch ceiling access panel provides access to the actuator and damper, while duct access panels allow further maintenance.

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