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Heavy Duty Antenna Mast 4" Wall Mount Bracket |
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SKY 32812 Heavy Duty Antenna Mast 4 inch Wall Mount Bracket
is designed to provide supplemental Wall Mount Support for ROHN H40, H30, H20 Channel Master 1620, 1630, 1640 1820, 1830, 1840 Telescopic Push Up Antenna Masts. Adjustable for Clamping Any Antenna Masts from 1 to 2 inches in Diameter. This Bracket will Stand off any Antenna Mast within this Diameter range, but is not designed to support the weight of any Telescopic Antenna Mast off of the Ground. Guy Wire Support for Mast Sections above this mount will still be required. Bonding should be made by affixment to Mast. Consult NEC and Applicable Local Code for further guidance ( Set of 2 brackets includes 2 inch Lag Bolt Hardware).
This "W" Wall Mount Bracket is Designed to Support Antenna Masts from 1 to 3 inches in Diameter with 3 inches of clearance from the Wall. This Bracket will provide support for ROHN H20, H30, H40 and Channel Master 1620, 1630, 1640, 1820, 1830, 1840 Telescoping Masts, but not the weight of a Telescopic Antenna Mast off of the Ground. Set Screw installation may require pilot hole drilling of both Mast and Bracket. If you are Installing 2 inch or greater diameter masts or any mast greater than 10 feet in height, run the Mast length all the way to the Ground, resting the weight on a Mast Ground Plate and affix an Earth Ground there with a 5/8 inch diameter, 8 foot long Ground Rod as a minimum. Use a Ground Plate like EZ32A or GTMBL to mount the Bottom of a Telescopic Antenna Mast from the ground up, with the Wall Bracket maintaining vertical alignment and clearance from the Wall. Affix an Earth Ground to the Mast and Ground Plate with a 5/8 inch diameter, 8 foot long Ground Rod as a minimum.. These Mounts do not replace or otherwize reduce the need for proper guying of the Telescopic Antenna Masts.
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It is Important to choose an Antenna Mount and Wall Mounting Location with a Picture of the Finished Antenna Installation in Mind. Be Sure to First select a location that lends itself to applying a Vertical, Cantilevered, Twisting Load without Compromising the Integrity of the Wall Material you affix to. Most Modern Exterior Decorative Wall Finishes most often do not have the Strength to Hold the Weight and Pressure of a Large TV Antenna under Wind Load without fail. Beams and Studs within the Wall are an Absolute Must to Locate when the Wall Composition is anything other than Solid wood or Concrete. Attach to these Strength Members. Further, Think about what's underneath the Wall exterior. Is it stronger, will it yield to Pressure over time as well? Sandwich additional Material (wood or steel) to the backside or both sides of the wall at the points where the mount attaches, as to distribute the load on relatively weak wall materials and to dampen vibration from Wind. Weather Proof the Installation to Maintain the Integrity of your Home. Next consider the Location over a Lifetime of Adjustments, does it lend itself to modifications in Height or Direction? Larger Antennas increase the surface area presented to air movement, Hence, Wind-load does increase. As the length of the mast increases from Its last attached point on the structure, the torque applied also increases with Weight and Wind-Load, requiring a more substantive attachment and Load-Bearing material. Keep the Distance Minimal from the Antenna to the TV's and Equipment you feed, as to minimize loss and the need for Amplification. Further, the NEC (National Electrical Code partly defines a good Ground connection as being as short as possible, you must affix a connection to a good Earth Ground prior to Premise entry or Bond to an existing one.
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