Clearstream 4v hdtv antenna.
Grounding antenna in attic.
An alternative is a pipe clamp which is heavy duty and made of steel with serrated adapters.
Most people use a galvanized steel ground strap such as this one.
From your description it sounds as if you may create a ground loop which may cause problems throughout the house.
Here are some photos of my roof top antenna with a grounding wire in the attic.
An example is the 90628 ground pipe clamp by morris products.
Check to ensure that the vent tube is firmly grounded before connecting the wire.
Neither apply to an antenna in the attic.
Now it s time to ground your tv antenna s coax cable.
The coax cable itself can build up a static electric charge and in order to properly dissipate that charge an antenna discharge unit or grounding block can be used again check you local code rules.
There are very specific requirements for grounding an antenna both via mast ground and a shield ground.
Air movement in your attic should not pose a problem.
The ge 33692 attic mount hd antenna is a notable example of an antenna specially designed for placement in the attic.
Step 4 how to ground your coax cable.
Grounding a tv antenna isn t just for safety.
It eliminates noise caused by static discharges from the antenna through the receiver.
To bond a grounding wire to the antenna mast you can use either a ground strap or pipe clamp.
Exterior antennas must have their mounting rod grounded to provide electric discharge in the event of a lightning strike or static accumulation from other causes.
The layer of plywood would tend to block those.
It might not but there is going to be a whole bunch of electrical wiring in the attic as well for the lightning to follow.