Source google image: https://www.isover.fr/sites/isover.fr/files/styles/isvr_scale_4_3_small/public/assets/images/systeme-optima-murs-etanche-air-vario-isover_71B11D788BA94899B4D6F78CF09BD887.jpg
Isolation du mur interieur
Source google image: https://www.isover.fr/sites/isover.fr/files/styles/isvr_scale_4_3_small/public/assets/images/systeme-optima-murs-etanche-air-vario-isover_71B11D788BA94899B4D6F78CF09BD887.jpg