For Antoni Gaudí, finishing the Sagrada Familia was always a question of time, not imagination. He knew exactly what the six central towers should look like. What he did not know was that, more than a century later, technology would prove him right.
The towers have now been completed, just in time for the centenary of the legendary Spanish architect’s death. But behind this visual milestone there is a protagonist few would expect to find in a cathedral of such scale: an adhesive. Specifically, Loctite EA 9497 fromHenkel (source in Spanish), the element that has made it possible for stone and steel to behave as a single material.