Buildings, Trade Fair & Industry

Trade Fair Hannover Hall 8/9

© Heiner Leiska

Within only ten months construction time the existing outmoded exhibition halls 8 and 9 should be substituted by two new halls. Hall 9 was realized as a five-bay, fully glazed hall with primary girders 138 m in length each, designed as self-anchored suspension bridges, with suspension cables, hangers, masts and struts. Dynamic and without supports, the spatial cable girder construction covers 32,800 m² of exhibition space – to date the world’s largest roof of a trade fair hall. Five main girders spanning from east to west with a ridge height of 26 m and a distance of 45 m structure the hall along its entire north-south length of 238 m. The roof area is made of 1,400 wooden cross-sections, inside of which are hidden the supply ducts system. This demanding structure represents the cutting edge of what is possible today and technically expedient.

Hanover, Germany
gmp · Architekten von Gerkan, Marg und Partner
Renk Horstmann Renk, Planungsgesellschaft Laatzen
Deutsche Messe AG, Hannover
Project Responsibility
Jörg Schlaich, Sven Plieninger


Technical Data

345 m
245 m
34.7 m
Base area
32,800 m²
Exhibition area
21,000 m²
Adjacent area
4,000 m²




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