Dyna Mat or equivalent? How much insulation are you looking for? Also, look into industrial foam insulation with foil facing and adhesive backing. http://www.mcmaster.com/#catalog/114/3424 would be one place to get it. I dont think you can ever get it air tight.


The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me