Since its inauguration, the new San Mamés has redefined the way we understand contemporary sports architecture. Its enveloping façade, made up of more than 2,700 ETFE fins, elegantly and precisely addresses the challenges of sustainability, urban design, and user experience.
IASO's intervention has transformed a functional need into a recognisable architectural gesture. A technical system that not only provides a lightweight envelope but also plays an active role in the stadium's visual identity.
TECHNICAL BASIS
System: Single-layer with 250 μm white ETFE film
From different angles, the building appears dynamic, thanks to the 5.40 m by 1.20 m double-curved louvres. The construction of the new San Mamés stadium was planned in two phases. The façade features more than 2,700 identical louvres arranged over 5 levels. Each piece includes a metal frame built with a circular-section profile. IASO has developed a concealed fixing system integrated within the profile. The white film is perfectly pre-tensioned. The result is a unique façade, permeable to sight and allowing natural ventilation for the building.
The best stadium in the world in 2015
The stadium has been recognised for its architecture and functionality. In 2015, it was named the World's Best Sports Building at the World Architecture Festival Awards, cementing its role as a global benchmark in sports facility design.
San Mamés is not only the home of Athletic Club: it is an urban icon that redefines the relationship between the city and the stadium.
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