Formula 1 race track A1-Ring
- Company:
- Zeman & Co
- Client:
- Arge Stahlbau (A1-Ring)
- Investor, Builder:
- A1 ring
- Designer:
- Architect Tilke, Aachen - Germany
- Country, City:
- Austria, Zeltweg
- Object category:
- Infrastructure, Sports facilities
- Material:
- Roof, facade, steel
- Services:
- Assembly, Engineering, Fabrication, Supply
- Completion:
- 1996
Work carried out: Grandstand roofing