The Industrial Union of Construction and Wood (German: Industriegewerkschaft Bau-Holz, IG Bau-Holz) was a trade union representing construction and wood workers in East Germany.
Its remit also covered toy making, and in 1955, building materials workers were transferred from the Industrial Union of Chemicals.
[1] The union affiliated to the Trade Union International of Building, Wood, Building Materials and Allied Industries, and from 1957, provided its president.
The union became involved in sports associations, their names starting with "SV Aufbau".
[1] The union's membership grew over time, and reached 935,208 by 1989.