I’m using Enguard.

http://www.middletownlumber.com/pdfs/EnGuardFAQ.pdf

> On May 15, 2018, at 2:28 PM, Stephen Engel <sengel543@YAHOO.COM> wrote:
> 
> I've noticed over on the Vanagon Owners Group on Facebook several people are using denim insulation. Seems like a terrible idea to me. Unless its treated, wouldn't the cotton denim hold moisture almost like a towel?
> I rarely post comments over there, especially critical ones. I don't need to deal with the responses.
> Steve87 Syncro
>    On Tuesday, May 15, 2018, 2:41:30 PM EDT, Eric Caron <eric.caron@ICLOUD.COM> wrote:  
> 
> Hi folks,
> 
>         Once again I’m wondering if someone has a really good option for replacing the fiber glass insolation in the body areas.  this would be a good improvement task for me but I’ve never really found a solution from the list that seemed to have strong agreement.  Main thing is it not hold water, isolate mainly to keep out heat in the summer. and maybe help a bit with sound. 
> 
> What are peoples favorite products?
> 
> Eric Caron 
> 
> 85 GL Auto