Floor Fire Damper Installation

Dampers must be kept clean and protected from dirt dust and other foreign materials prior to and after installation.

Floor fire damper installation.

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. Safe air dowco s installation notes are applicable to fire dampers smoke dampers and combination dampers on most occasions. Fire dampers are typically installed in fire rated walls floors or partitions. Wall rating 2 hr.

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. Fire dampers are ul555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems designed to close upon the detection of heat. 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. Detail of opening preparation and fire damper installation.

Fire damper installation operation maintenance instructions iom fire dampers 0718 nca manufacturing inc. If a fire damper is installed in a wall it will be in a vertical position. The dampers are designed for operation in the vertical or horizontal position with blades running horizontal. If a fire damper is installed in a floor it will be in a horizontal position.

Vertical dampers for static airflow systems do not have springs. The following information may vary among different manufacturers and should not serve as a general guide of damper installation. A general diagram of a standard fire damper installation is shown in figure 1. Damper dimensional data duct transition connections dibd2 ow and dibd2ss ow dampers may be supplied.

The standard location permits the damper to be installed outside the plane of the wall or floor. While there are other elements of an approved damper installation this figure will represent the. The retaining angles on both sides of the fire damper may be inverted in order to accomodate a register or grille.