Originally Posted by Mr. B
What on you put it, two-sided tape or epoxy?
It came with double-sided automotive tape. With the proper surface prep (scuff the track slightly with sandpaper to roughen it, then use an alcohol prep pad to get it really clean) AND if you wait a few minutes before rolling the door over it, it should stick perfectly. Neither thunderstorms nor direct sunlight nor continued use have managed to dislodge it.
The doorstop I installed was black anodized because the track on my Interstate was black.