Green K.
Bibliographic info:
Energy in Buildings vol.2 no.3 1983 p.22-23 5 figs. #DATE 01:05:1983 in English

Describes several types of door closing or air containment devices for use in industrial buildings, including automatic doors, flexible doors and air curtains. Discusses various forms of air curtain and lists factors that need considering when installing one, such as geographical location, size of door, use of premises, tightness of building etc.