Source google image: https://www.snrentreprise.com/wp-content/uploads/2015/10/Amenager_combles_Dinard_Laval_Rennes_Vitre_Mayenne_31-500×333.jpeg
Comble fermette
Source google image: https://www.snrentreprise.com/wp-content/uploads/2015/10/Amenager_combles_Dinard_Laval_Rennes_Vitre_Mayenne_31-500×333.jpeg