The seaplane hangars at Tallinn Seaplane Harbour is one of the most valuable buildings of the 20th century in the Baltic States. The Danish engineering and construction company Christiani & Nielsen designed the hangars that were built in 1916?1917. The building is remarkable both in terms of construction science and technology, and their uniqueness stems from the structural solution.

Courtesy of Koko

Architects: Koko

Location: Tallinn, Estonia

Area: 8000.0 sqm

Project Year: 2012

Photographs: Courtesy of Koko

Courtesy of Koko

From the architect. The seaplane hangars at Tallinn Seaplane Harbour is one of the most valuable buildings of the 20th century in the Baltic States. The Danish engineering and construction company Christiani & Nielsen designed the hangars that were built in 1916?1917. The building is remarkable both in terms of construction science and technology, and their uniqueness stems from the structural solution.
Before

Courtesy of Koko

The main body of the hangars consists of three concrete shells (thickness 8?12 cm) and the pillars that support them at the corners and joints. This is the first known steel concrete shell construction of this size in the world ? 36.4 by 116 metres.

Detail

As the seaplane hangars had not been renovated since their con...