Source google image: https://www.isover.fr/sites/isover.fr/files/styles/isvr_scale_4_3_small/public/assets/images/isolation-sol-plancher-terre-plein-isover-floormate-epsisol-syrofoam_F8D7C994FF4A4D2A80C176C89BDBC388.jpg
Isolant de sol
Source google image: https://www.isover.fr/sites/isover.fr/files/styles/isvr_scale_4_3_small/public/assets/images/isolation-sol-plancher-terre-plein-isover-floormate-epsisol-syrofoam_F8D7C994FF4A4D2A80C176C89BDBC388.jpg