Floor Fire Damper Installation

Safe air dowco s installation notes are applicable to fire dampers smoke dampers and combination dampers on most occasions.

Floor fire damper installation.

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. 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. Wall rating 2 hr. 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.

Fire damper installation operation maintenance instructions iom fire dampers 0718 nca manufacturing inc. Damper dimensional data duct transition connections dibd2 ow and dibd2ss ow dampers may be supplied. While there are other elements of an approved damper installation this figure will represent the. Detail of opening preparation and fire damper installation.

These fire dampers offer protection in the case of a fire by preventing the flames from spreading through your ventilation and air ducts. The dampers are designed for operation in the vertical or horizontal position with blades running horizontal. Dampers must be kept clean and protected from dirt dust and other foreign materials prior to and after installation. Vertical dampers for static airflow systems do not have springs.

The dampers are to be installed square and free from twisting or racking. If a fire damper is installed in a wall it will be in a vertical position. The following information may vary among different manufacturers and should not serve as a general guide of damper installation. 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.

If a fire damper is installed in a floor it will be in a horizontal 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.