take a look at:
http://supersoundproofing.com/cgi-bin/yabb/YaBB.cgi
perhaps you can find a solution for your problem.
An additionel absorbing material will not help to solf
your problem. Using wood insted of PS-foam and absorbing material at the inside is a better solution.
Tijke.
hi guto,
perhaps they can help you
Cauberg-Huygen R.I. BV, P.O. Box 480, NL-6200 AL MAASTRICHT, The Netherlands; ing. Theo M. De Graaf;
t.degraaf@chri.nl
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