DE EN IT IT FR Welcome to WIEHAG Holding! WIEHAG is a quality-conscious traditional company of the Wiesner family in the 5th generation and has stood for building expertise since 1849. The company's headquarters in Altheim, Upper Austria, are home to the state-of-the-art CNC production for timber engineering, carpentry and administration. WIEHAG GmbH Timber Construction manufactures support systems, complete roofs, roof and wall elements for regional and international trade fair, sports and industrial halls as well as wood series products. WIEHAG Bau GmbH is a valued planning and construction partner for industrial halls and commercial buildings as well as for private house construction on the regional market. With around 400 employees, the WIEHAG Group guarantees high-quality, economical and fast timber construction and construction solutions - everything from a single source - from planning to completion. WIEHAG Timber engineering Wide span support systems Complete roofs, elements Statics, construction, engineering Production, logistics & assembly to the page » WIEHAG Wood series products Glued laminated timber Ready-to-install glulam systems Profidec Connector systems (WHB) to the page » WIEHAG Commercial and industrial construction Complete turnkey solutions Industrial halls and office buildings Complete provider Material generalist to the page » WIEHAG Wooden and brick house House construction in all stages of development Material generalist brick & wood Individual planning & advice All from a single source to the page » © 2016 WIEHAG Holding GmbH Linzer Straße 24 A-4950 Altheim / Upper Austria +43 (0) 7723 / 465-0 office@wiehag.com imprint privacy Conditions