Back heat flexwatt question

I'm in the process of building a 6-7 tub 28qt rack.
I want to use back heat.

Would I run the flexwatt along the back just like if I were to mount it to a shelf? Like tape the flexwatt?

How do you guys mount your back heat? Did you use the 11'' kind?

Thank you

Yes, just as you would do on a shelf. If you are VERY careful, you can tack through the outer clear plastic as well. However, the aluminum tape should be more than enough - that stuff is mighty sticky.