Mast Arm Damper

The damper mount is a device used for dampening the harmonics of a mast arm caused by wind. It is intended for use on longer mast arms to reduce or eliminate harmonic bouncing caused by the wind, but it can also be used to steady shorter mast arms that have cameras or other sensitive equipment. The federal government is requiring that harmonics on mast arms 55 feet and longer must be addressed. Our damper mount complies with this requirement. Instructions for installing our mast arm damper are supplied with every order and should be followed for proper placement and adjustment to allow proper airflow. The damper sheet is available in two sizes and will fit the same damper mount. The damper mount casting may also be used as a sign mount and will fit our various adapters.