[michaelahess]

Originally Posted by PatrickSAN

Most of what people think of when you talk about deadener is a mass-loaded deadener like traditional dynamat. Several posts have mentioned ensolite, which is a closed cell faom (ccf) that absorbes sound waves as opposed to the mass loaded products, which prevent vibrations by increasing mass, thus increasing the anount of energy needed to cause vibrations and changing the resonant frequency.

All that said, if you want a cheap CCF product to augment mass loading, check out Frost King Duct Insulation at lowes/HD. $20 will do both doors.

Wouldn't this be cheaper?

http://www.ebay.com/itm/1-8-x-24-x-6...item51a3b1a5e2