Source google image: http://www.isolantmetisse.com/sites/5098e0729a7a500002000074/assets/53918cf89eb9720002000b54/acoustique_shema_cloison.jpg
Isolation phonique d’une cloison
Source google image: http://www.isolantmetisse.com/sites/5098e0729a7a500002000074/assets/53918cf89eb9720002000b54/acoustique_shema_cloison.jpg