Anyone tried this?

[<tcc>]

http://www.talkaudio.co.uk/index.php...d=107&Itemid=1

looks like that could get really messy, wonder how well it actually works?

[Jack]

I know a lot of people that use something similar to coat the insides of the backs of land rovers to dampen down road noise. Apparently it works surprisingly well, but I'd be a bit wary to be honest.