12 1 raise the garage door slowly.
How to raise garage door.
The door should stay down when closed halfway when opened halfway and open when opened.
Depending on which part of the tracks you need to adjust this may mean the fasteners closest to the door furthest from the door or both.
The track for the opener is only 4 from the ceiling.
Add 1 4 turn of tension to the spring if the door will drop to the floor by itself from the halfway point.
Using a screwdriver or wrench loosen up the screws or nuts securing the overhead garage tracks.
The adjustable link that connects the slider on the track with the top of the door has a almost a foot of unused length.
I removed some siding and and re did the trim on the top of the door and then recovered every thing with aluminum and installed new rubber garage door sill around the opening.
This antenna is long and functions well during typical situations.
Check the door balance.
Many modern garage door openers have an antenna that s attached to the casing.
Then to add two inches to the top of the door i used a piece of azek ripped to two inches and screwed it to the top of the top panel.