Quote Originally Posted by Frank818 View Post
Yes that is good job!

The DEI doesn't protect for heat? What's it's use then?

What is your alu bar on top the door with 3 velcros? How does it work?
The DEI spray is more for sound deadening and vibration damping, at least that's my understanding. It also vastly improves the look of the inner fiberglass and makes it look more finished.

The aluminum bar at the top of the door is just a 90 degree extruded bracket I got from home depot. I didn't want any exposed screws near the top of the door panels so I decided to use 3M velcro instead. I riveted the aluminum brackets to the fiberglass and the tops of the door panels cover up the rivets, it worked out well. It probably also stiffens up the top of the doors. I had to bend the brackets inward into more of an acute angle (like maybe 80-85 degrees) to better fit behind the panels.