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Isolation mince condensation
Source google image: https://www.toutsurlisolation.com/var/toutsurlisolation/storage/images/media/images/isolation-thermique-reussir-son-isolation-thermique/ventilation-maitrisee-ventilation-ou-aeration/75948-1-fre-FR/Ventilation-maitrisee-Ventilation-ou-aeration_reference.jpg