>My son runs a window tinting business and does commecial and military
>contracts. On one recent military contract he installed bomb-blast proof
>window tint on some  military buildings. The plastic film that was used
>will stop a 45 caliber bullet fired from ten feet away. Thg glass under
>the film will fracture, but the film - like all tint films - is glued to
>the surface of the glass and holds the glass together to prevent glass
>shards from becoming shrapnel and flying  everywhere  hurting people and
>causing other damage. To prevent the entire pane of glass from coming
>out of the frame during a blast and flying across a room like a frisbie
>and cutting off heads, the edges of the tint are sealed to the window
>frame with a 3M industrial tape that has a glue strength and fabric
>strength like nothing I have ever seen. Amazing stuff!!! This tape in
>this application is two inches wide - 1 inch over the tint film, and one
>inch over the window frame. It is heated to 400 degrees to trigger
>curing. Once cured, the window frame, the tape and the tint are all like
>one continuous piece, and a blast would virtually have to blow the
>window frame out of the wall to  damage the area on the opposite side of
>the glass. The main point being though, to control flying glass.
>
>So, anyone see any application for this tape on the Vanagons?

Sealing the heads to the cases?