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Clearly something is binding, catching or blocking the door sections or roller wheels in the tracks. It could be as simple as one of the track mounting bolts has come loose and is binding with the roller as it tries to go by. It is also possible that the door is becoming wedged as it gets toward the lowest position. There may be a small diameter cable ...


It's a bit hard to tell what I'm looking at from that one photo, but it may have been someone's attempt at a homemade version of the common commercial weather seal that you see on modern overhead doors. I'd probably remove it entirely and start fresh. 3 pieces of vinyl molding with rubber gasket will probably cost under $25.


Don't lubricate the roller tracks. Only lubricate the moving parts and the top of the rail.

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