I don't know how to prevent this from happening, but it is a pain. I find that if I hyper-extend the shower wall (raise it more than 90 degrees, so it bends back over the bed a bit) it will swing into place properly. But I also find that I don't remember to do this until it is too late. I haven't studied it yet, but I think that a new piece of plastic molding will suffer the same fate as the original. I'm looking for a different solution.
I have considered dismounting the shower wall and trimming that corner into a better shape. I have also considered fabricating a short (2-inch?) metal U-cap to be installed tightly over the troublesome spot, to protect the molding and force the wall to rotate over the plastic. I have also considered removing the molding, shaving down the corner of the lower wall, and then somehow convincing the molding to conform to the new shape. I haven't tried any of these yet, and none of them sounds like a great solution. I would welcome others. Something's gotta be done.
Bill
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