Attach the straps to the irons with hex head screws.
How to open garage door with hanger.
Bolt the angle irons to a rafter or rafters with lag screws.
If you do not have an entrance door to your garage either to the interior of your house or the exterior there should be a key based garage door release on the outside of your garage.
Attach the straps to the power unit with the hardware provided.
Unplug the cord from the machine so you can disengage the door from the automatic track.
A short video documenting the creation of x2 10 x10 doors on our new pole barn shop.
In the event that the power comes back on you don t want the automatic opener to try to open the door while it s disengaged or it could make it difficult for you.
Unplug the automatic garage door opener.
You would obviously need the key for this but it would release the garage door without resorting to prying it with a hanger or another similar hack.