Installing Fire Dampers In A Concrete Floor

The dampers shall not be compressed or stretched into the opening.

Installing fire dampers in a concrete floor.

Used in masonry walls or floors must engage the wall or floor a. For two angle installations the fasteners. As with all joints contractor must seal duct collar connection in field after installation. 1 and 3 hour rated dampers c.

Safe air dowco s installation notes are applicable to fire dampers smoke dampers and combination dampers on most occasions. Masonry concrete walls or floors and stud gypsum walls b. Transportation and installation of the dampers shall be handled with the sleeve or frame. Per foot 3mm per 3m of damper width and 1.

Vertical see figure 3 a or horizontal see figure 3 b orientation d. The dampers are to be installed square and free from twisting or racking. Minimum clearance shall be. Engage the 3wood stud a minimum of 4 19.

Per foot 3mm per 3m height with a minimum clearance of 1 4 in. The opening shall be a minimum of 1 4 6 with a maximum of 3 4 19 larger than the overall damper and 3sleeve. This installation details how to properly install the required angles next to the steel deck. Fire damper installation operation maintenance instructions iom fire dampers 0718.

The following information may vary among different manufacturers and should not serve as a general guide of damper installation. Special care shall be given to the damper before instal. Damper 47 3 4 x 47 3 4 collar 48 x 48 opening 49 1 2 x 49 1 2. Optional sealing of dampers in fire and smoke rated walls or floors fabrication and installation of support mullions installing the sl 2000 smoke detector field modification of factory supplied sleeves security bars for fire and fire smoke dampers installing fire and fire smoke dampers in concrete floor with steel deck.

Do not lift the damper with the blades or actuator. Foot on height and width of sleeve to a maximum of 1 1 2 e g. See wood stud and or steel stud framing for fire dampers in drywall and or cavity shaftwall partitions supplemental installation instructions for further vertical installation details. Mounted in the fire barrier and the assembly is held in position by retaining angles on both sides.

Maximum and minimum ul approved damper sizes that are listed in. Minimum of 11 2 38. Standard installation the damper is mounted in the sleeve the sleeve damper assembly is. Concrete or masonry fire partition shown.

Of the fire separation. Perimeter angles shall overlap the wall floor by a minimum of 1. Horizontal installation of fire and combination fire and smoke dampers in concrete floors utilizing a steel deck may not allow the bottom angle to be placed against the steel deck on an even plane.