Garage Door Opener Rail Length 19 - VEVOR Automation Door Opener 800N Tilting Doors Motor 220V Garage Door A longer 37. 5 rail piece replaces the header section and a 49. 5 rail piece replaces one section of the rail. Then, measure outward from the header wall towards the back of the garage using the. Using the charts below, find the total length of the type of garage door opener you are installing. For more information on planning for the installation of your garage door opener, see the preparing your garage door and planning section of the owner's manual.
VEVOR Automation Door Opener 800N Tilting Doors Motor 220V Garage Door
