Originally Posted by miatapaul
By the way Dynamat is really just asphalt, so there are adhesive roofing materials that work the same, again really just the mass of the heavy coating. The stuff does smell pretty bad though. I have used it successfully in car installations.
What are we talking about specifically by "adhesive roofing material". do you mean the brush or roll on stuff you put over felt or use for roof repairs etc. If so I could just coat the plywood that encloses the engine compartment and then add foam to the outside to add "dead air space"