Source google image: http://1.bp.blogspot.com/-Qz-dOHix2L8/VyMhsUHWYCI/AAAAAAAAAKM/QSXBUOWcU6skWuPHwHk_HCvo5okkse0swCK4B/s1600/ISOLATION-toiture-sarking-laine%2Bde%2Bbois%2BJAILLANS-HOSTUN-Romans.jpg
Isoler sa toiture
Source google image: http://1.bp.blogspot.com/-Qz-dOHix2L8/VyMhsUHWYCI/AAAAAAAAAKM/QSXBUOWcU6skWuPHwHk_HCvo5okkse0swCK4B/s1600/ISOLATION-toiture-sarking-laine%2Bde%2Bbois%2BJAILLANS-HOSTUN-Romans.jpg