I can see that happening with the brand I'm using. I think it just takes a lot of extra care before it fully cures/fuses to not loosen or wrinkle the cut edge. I have used it for a long time on handles of other things without any deformation.
Originally Posted by
wroomwroomoops
My issue with self-vulcanizing tape is that it tends to deform and becomes loose shortly after you put it on, and then it stays like that forever. Maybe I'm using the wrong brand.