Air leakage of windows and pressure distributions in buildings. Luftdurchlassigkeit der Fenster und Druckverteilung im Gebaude.

Reports tests of air leakage of windows, made in a wind tunnel. Six different windows were tested, five were of the same design with different manufacturers and materials;two steel, one wood, one aluminium and one cast iron. Gives expression for the airflow through a window. Discusses pressure distribution on buildings and stack effect.