I really hate this stuff, I actually get stressed out when I know I need to work with it. I have tried everything, putting it in hot water, blowtorch, microwave, it is just the pits to work with thi...
I replaced mine with the extra thick type. It looks great and I don't think it will ever go bad. I was happy to get rid of the thin stuff that would have been easy to install. If you can easily install it without any tool help, it must be the thin type which is more normal or your fingers are super strong and blister resistant. :)