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...
3/4 and 1 inch are significantly different. You need the bend to hold it in place. My TC has 3/4 in a few places like around the door, but 1 inch almost everywhere.