WIEHAG
Austrian family-owned timber engineering and construction company active since 1849, delivering engineered timber buildings worldwide.
Last updated September 15, 2026
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Overview
WIEHAG is an Austrian family business in timber engineering and timber construction. Founded in 1849 by master carpenter Josef Wiesner in Altheim, Upper Austria, it has been continuously involved in timber construction through the Wiesner family, now in its 5th generation. The company operates a WIEHAG Campus in Altheim, Austria, combining engineering with high-tech timber production, and describes itself as a global leader in solid wood construction and technology. Its work spans wide-span structural frameworks to timber high-rises, with projects such as Atlassian Central in Sydney, Anna Lindh House in Berlin and World of Volvo in Göteborg.
History
WIEHAG traces its origins to 1849, when master carpenter Josef Wiesner registered as a member of the carpenters' guild in May 1849 in Altheim, Upper Austria. Since 1849, the Wiesner family has been continuously involved in timber construction, now in the 5th generation. What began as a small carpentry workshop and an open-air joinery grew into a globally active timber construction company. In 1928, WIEHAG Carpentry utilized Friedrich Zollinger's patent to construct a self-supporting sawmill hall for its own operations; this construction remained until 1950. In 1953 the company acquired a license for the production of DSB trusses, and by 1957 it celebrated its hundredth roof truss. In 1958 it took a further step in the development of glued laminated timber. The company states that with a history of 175 years it has significantly influenced the development of timber engineering and remains a pioneer in the timber construction industry.
Products and positioning
Timber engineering par excellence, made in Austria; a global leader in solid wood construction and technology.
Engineered timber construction
Wide-span structural frameworks
Timber high-rises
Glued laminated timber
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