Floor Fire Damper Installation

The following information may vary among different manufacturers and should not serve as a general guide of damper installation.

Floor fire damper installation.

Wall rating 2 hr. While there are other elements of an approved damper installation this figure will represent the. If a fire damper is installed in a wall it will be in a vertical position. Fire dampers are typically installed in fire rated walls floors or partitions.

The standard location permits the damper to be installed outside the plane of the wall or floor. A general diagram of a standard fire damper installation is shown in figure 1. If a fire damper is installed in a floor it will be in a horizontal position. For damper styles wr wc wo and bc only the duct connection portion extends through the wall and the damper assembly is mounted flush with the wall.

The dampers are designed for operation in the vertical or horizontal position with blades running horizontal. Safe air dowco s installation notes are applicable to fire dampers smoke dampers and combination dampers on most occasions. Dampers must be kept clean and protected from dirt dust and other foreign materials prior to and after installation. 2 1 2 stud or runner 1 2 gypsum wallboard retaining angle damper sleeve fire damper duct 1 2 thick filler pieces 2 1 2 wide to be.

Vertical dampers for static airflow systems do not have springs. This installation instruction applies to fire dampers static dynamic curtain single and multi blade types mounted in the plane of an ul approved fire partition. A space between the sleeve and wall or floor is left to allow for thermal expansion in the event of heated airflow through the damper sleeve assembly. Damper dimensional data duct transition connections dibd2 ow and dibd2ss ow dampers may be supplied.

The dampers are to be installed square and free from twisting or racking. The retaining angles on both sides of the fire damper may be inverted in order to accomodate a register or grille. Detail of opening preparation and fire damper installation.