Dave Sr. from SWISCO responded:
January 5, 2017
I do know of some contractors who use silicone or epoxy to install track covers like the 80-102. What I personally do is cut it the same length as the existing track, leaving a little space at both ends for drainage. To secure the cover to the old track I would drill and install two small sheet metal screws like the 33-071 one at each end of the track. I find that the "weight" of the door keeps the center of the track down on the sill and the screws at each end keeps the ends secured.
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