I used this one. Definitely improved sound deadening has foil outside and
super sticky. Feel like it has to help with water resistance since I had to
pull a piece up and the adhesive was so hard to pull up. If you fill out
card that comes with package they send a free roller to help with
installation.

https://www.amazon.com/ProBlack-Deadening-Automotive-Insulation-Dampening/dp/B07ZKLKHN5

3 boxes cover everything for my camper

On Tue, Mar 9, 2021, 1:38 PM Eric Caron <ericcaron96@comcast.net> wrote:

> Hi folks,
>
>         I’m in the market for Sound deadening material with some water
> resistance.  I’ve used Fat Mat with good success in the past.  Price seems
> higher then I remember.  Anyone have a suggestion for a good source or a
> good product that is foil covered and similar?  I do not want the metal
> solution.  This is a need for a Fat Matt type application.
>
> I’ll be using much of it on the roof top and inside my luggage compartment
> for sound deadening but also eventually for behind the fridge and cabinets
> on the one side of the van I have not covered yet.
> Much of my van is sound proofed with Fat Matt and the results were very
> positive.
>
> I think I need 5 millimeter but 8 would be  fine as well.
>
> The water proof part is important.  Anyone have experience with the Kill
> Matt product?
>
> Thanks.
>
> Eric Caron
> 85 GL Auto
> Coming home soon.
>