This unique skyscraper, located in the Cuatro Torres Business Area complex, is a 224.2 m (735 ft) high building on 56 floors. The floors have a square shape from the base up, which changes as the building height increases until it reaches a pointed shape, forming the shape of the cosine curve on two sides, forming a transition between its square base and elliptical roof plan.
224 m / 735 ft
56 stories tall
The 56,000 sqm (602,800 sq ft) of glass surface is an Active Wall® double skin façade, a highly energyefficient modular system for a total of approximately 11,000 panels.
Development and installation of 56,000 sqm (602,800 sq ft) of glass surface with Active Wall®.
CLIENT: Torre Espacio Castellana S.A.U.
DESIGN ARCHITECT: Pei Cobb Freed & Partners
ASSOCIATE ARCHITECT: RFA Fenwick Iribarren Architects
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