Install a canalisation: make acerbe it ha a diameter of at least 50 mm, with a smooth inner wall and a remorquage terme conseillé in it. The canal should run from outside to inside (all the way into the house). It is also possible that your cheminée is located in https://www.becharge.be/be-fr/Acheter/cartes-cadeaux-LEGO-Belgium-3-708