Sectional garage doors typically float up and overhead into the building while heavy-duty rolling steel doors/roll-up doors are mounted to the face of the wall and supported by the vertical wall and require no connection to the ceiling or roof structure. Jul 3, 2020
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When your garage door falls too quickly, it is a symptom that something is loose of broken. Typically, this happens because of springs that have become too loose or cables that are broken. Also, it could be due to springs and cables that have been poorly installed or a damaged garage door track.
A garage door that stops and goes back up is usually due to malfunctioning infrared sensors. If there is such an issue, you can see one of the sensor lights blinking. Malfunctioning sensors can be caused by a blockage, dirty eyes, loose wires, or just bad sensors in general.