Source google image: https://www.vm-materiaux.fr/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/I/_/I_IS00970_01.jpg
Isolant phonique ep 50
Source google image: https://www.vm-materiaux.fr/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/I/_/I_IS00970_01.jpg