Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
you have to buy it from stretch devices.but Jvanick is right, Polyken is the way to go. It's easier to get a hold of. For instance we buy ours off amazon.
I went from full on polyken taping rollers to putting a half strip down the roller to protect the mesh and not cover the channel (rinsed easier and more cleanly,) to just not using the stuff. IME the tape won't save the screen for long, but will cover up the damage until the screen pops--usually on press.
So no tape on the rollers? That's ballsy.
So no tape at all? In my shop that just spells disaster, as the guys don't quite have the same care that I do. We have been using Gorilla tape. It is very strong, and comes off cleanly when its time to restretch