I know some people who spray foam for commercial and residential roofing to cool buildings, they use closed cell and open cell. I'm thinking about using it on the doors floor and roof to eliminate noise, what do you guys think about this? Heres the link to the company.
diymobileaudio.com is the DIY car audio install forum for automotive quality and spl stereo bass. 12 volt audio installation wholesalers buy amps, subs, double din car audio head unit electronics and ipod blue tooth car alarms at discounted prices