Source google image: https://particuliers.placo.fr/sites/particuliers.placo.fr/files/styles/solution_solution_image__496x292_/public/cloison-distribution-simple-placostil-sch-technique-placo.jpg?itok=dv77pWcO
Cloison isophonique
Source google image: https://particuliers.placo.fr/sites/particuliers.placo.fr/files/styles/solution_solution_image__496x292_/public/cloison-distribution-simple-placostil-sch-technique-placo.jpg?itok=dv77pWcO