I recently saw some soundprofing stuff with metal at Manards
"Save Big Money at Manards" ;-) Lol

Don't know how good is it.

Regards,
Kirill
98.5 Contour SE Silver Frost (powered by Duratec 2.5L)
Nakamichi CD-45Z -> Phoenix Gold XS4300 -> Infinity Kappa 693.3i
\_ Blaupunkt ODx694