Heat-insulating outer wall for a building

Details Heat-insulating outer wall for a building Heat-insulating outer wall for a building

E - Fixed Constructions

04

B

E04B 1/78 (2006.01)

Patent

CA 2193658

The invention concerns a heat-insulating outer wall for a building (1). The wall comprises an outer cladding layer (3), an outer air gap (5) arranged on the innermost side of this, in communication with the outer air, an on the innermost side of the outer air gap placed insulating layer (6) made of an air- permeable filtering material, an on the innermost side of the insulating layer positioned inner air gap (7) as well as an on the innermost side of this positioned inner cladding layer (8). The inner air gap (7) is, according to the invention, equipped with a partitioning wall (12) which separates the inner air gap into a first part (7a) and a second part (7b). The first part (7a) is closed at the top and at the base is in communication with the second part (7b), which at the top is equipped with an outlet opening (11). Furthermore, the second part (7b) is equipped at the bottom with heating means (13). Airflow-regulating means (15) are positioned in suitable places in the wall in order to limit the airflow in the case of large air pressure differences, respectively prevent airflow through the wall in the direction from the interior of the building towards the outer air.

Mur extérieur thermo-isolant d'un bâtiment (1) comportant un parement extérieur (3) et un vide d'air extérieur (5) sur sa face intérieure, délimité côté intérieur par une couche isolante (6) d'un matériau filtrant perméable à l'air, laquelle est à son tour délimitée côté intérieur par un vide d'air intérieur (7) délimité côté intérieur par un revêtement intérieur (8). Le vide d'air intérieur (7) est partagé en deux parties (7a et 7b) par une cloison (12), la première (7a) étant fermée au sommet et communiquant par la base avec la seconde (7b) dont le sommet est muni d'un orifice de sortie. Par ailleurs, la seconde partie (7b) est pourvue à sa base de moyens de chauffage (13), tandis que des moyens (15) de régulation des flux d'air sont disposés en divers points de la cloison pour limiter ces mêmes flux en cas de fort différentiel de pression, et empêcher l'air de passer de l'intérieur vers l'extérieur.

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