It is not uncommon to find doors with broken cables. A big percentage of non-operational doors is linked to broken doors. It is somewhat expected, as the function of cables is to hold the doors in place and allow them to open, which could fail over time.
You will find that almost all garage doors have either lifting cables or retaining cables. Doors with torsion springs use lifting cables. In this case, the cables are attached to the bottom side of the door. On the other hand, doors with vertical extension springs use retaining cables.
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