Source google image: http://mobiloptim.com/wp-content/uploads/2018/08/isolation-mur-interieur-%C3%89tourdissant-isolation-humidite-mur-exterieur-.png
R isolation mur intérieur
Source google image: http://mobiloptim.com/wp-content/uploads/2018/08/isolation-mur-interieur-%C3%89tourdissant-isolation-humidite-mur-exterieur-.png