Silent giant

The Rulantica indoor water world




pbr & Troldtekt Acoustic panels


The incomparable Rulantica fairy tale water world in Baden-Württemberg offers adventurous and extraordinary aquatic fun for the whole family. The gigantic water park with an area of 40,000 square metres is located in the immediate vicinity of Europapark Rust, Germany’s largest amusement park.

Embedded within 450,000 m² premises, which also includes a hotel, the magical Scandinavian water world comprises nine elaborately themed areas that are populated by fantasy creatures such as mermaids, trolls and sea monsters.

Rulantica’s attractions include 17 water slides, the largest wave pool in Germany, a flow channel, several water playgrounds for different age groups and waterfalls.


Behind Rulantica’s imaginative and mystical scenery there is also a diverse story based on the youth book series with the same name by Michaela Hanauer. The story tells about the orphan Mats and the mermaid Aquina from the mysterious island of Rulantica in the North Sea.

The park’s interior comprises a 32,000 m² large hall that is 20 metres in height, the shape of which is reminiscent of a shell. It is traversed by one of the largest wooden roofs in Europe, made of natural wooden trusses (spanning up to 50 metres) and supported by five circularly arranged concrete columns with a diameter of 1.20 m.


A complex ventilation concept ensures that inlet air flows in from above and the air is drawn in at the lower area of the hall. The technology was installed in specially developed wooden framework boxes. In this way, pollutants are optimally removed from the water surface.

The main facade is divided into five 33-metre-wide elements by facade towers. With their filigree steel and glass constructions, they allow a noticeable amount of daylight into the hall.



The fact that it is surprisingly quiet in the impressive Rulantica bathing world is, on the one hand, due to the many rocks and decorative elements, and, on the other hand, due to the Troldtekt acoustic panels built into the ceiling.

The panels, which are suitable for damp rooms and made from the 100 percent natural building materials wood and cement, are characterised by excellent sound-absorbing properties. The acoustic panels were also installed in the heavily frequented foyer and in the changing room area.

We did ths.

Project data


Planungsbüro Rohling AG
Hauptsitz Osnabrück
Albert-Einstein-Straße 2
D – 49076 Osnabrück


Troldtekt A/S
Sletvej 2A
DK – 8310 Tranbjerg J


Europa-Park Freizeit und Familienpark Mack KG
Europa-Park-Straße 2
D -77977 Rust

Physical address

Roland-Mack-Ring 1
D – 77977 Rust




Olaf Wiechers, Architekt
Büro für Architektur  +  Mediendienstleistungen
Klaus-Groth-Str. 1
D – 21629 Neu Wulmstorf

© David Franck



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