I don't think it is absorbent at all. It's closed cell foam. One might make the case that the increased surface area as compared to foam sheets might collect more moisture, but that's pushing it.

Alistair

> On Sep 12, 2014, at 6:43 PM, "Chris S." <szpejankowski@gmail.com> wrote:
> 
> Ingenious. It certainly looks less absorbent than fiberglass insulation.  
> 
> Chris.
> 
> Wysłane z iPhone'a
> 
> Dnia Sep 12, 2014 o godz. 0:48 Alistair Bell <albell@SHAW.CA> napisał(a):
> 
>> Stole this idea from the samba, and I bet others have done it too ( not the stealing, but the idea)
>> 
>> http://shufti.wordpress.com/2014/09/11/vanagon-body-insulation-idea/
>> 
>> Alistair