On August 19, 2018 at 22:16, Ernie Gilman said...
My bet is that you peeled it back and stuck it on. This is not enough. Some searching found the following notes. I added the highlighting.
A video I found of a guy mounting solar panels to the top of his van using Velcro starts with him advising to always clean the mounting surface with denatured alcohol. That's an echo of the instructions above.
Mama Mia! You mean my brand new TV that I just took out of the box isn’t clean enough?