Guy that did it years ago told me that simply putting a sheet in the middle did a ninety percent job. 

Karl Wolz
Sent from my electronic umbilicus

On Oct 24, 2012, at 1:08 PM, Marc Perdue <mcperdue@GMAIL.COM> wrote:

> I already did this with one door and Dynamat, but I need to finish the job.
> When I did my passenger door, I was really careful about lining up the
> material and trying to cover as much flat bare metal as I could. Does
> anybody know whether it matters if you try to cover all the metal or can
> you just cover a large portion and be done with it?
> 
> Thanks,
> Marc