Roof panel insulation in between panels

[dagnabbitt]

Originally Posted by chewychevy67

Yes I'm scared the stick on butyl stuff will get hot and make a mess. I'd rather do something similar to original if at all possible

I used dynamat on my floor, I think it would be the thickness you are looking for.

I personally doubt it will start to "run" on you, it will just stay nice and sticky. Does not hold water, in fact it will waterproof whatever it sticks to.