Quote:
Originally Posted by roflwaffle
Yikes! The dynamat looks like it would cost as much as the scrap lead anyway. 
I wonder if there are any open cell foams that can be bought on the cheap... |
http://www.diabgroup.com/americas/u_products/u_prods_2.html
This is pvc foam core I use in composites, its closed cell
non-biodegradable but seems to have some sound deadening effects. its got great insulating--we built ice chests in what was supposed to be boat livewells back when the other -original brand was keligicell.