Abstract: A plate for mounting a plunger on each panel is mounted on the inwardly facing surface of each end of each panel. One or more plungers are positioned on each plate and each plunger has a first end biased in a first position within the groove of the track.

Abstract: An overhead door for a structure which includes a pair of tracks having inwardly facing surfaces which define a channel, and wherein the channels are mounted in predetermined substantially parallel spaced relation one to the other, a door panel located intermediate the pair of tracks and moveable along a predetermined path of travel which is defined by the pair of tracks, and a release assembly borne by the door panel and operable to releasably engage at least one of the tracks, the release assembly including a moveable plunger which is received in the channel of one of the tracks and which guides the door panel along the path of travel and which further becomes disengaged from the channel when force of a predetermined magnitude is applied to the door panel.