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262 Fifth Avenue: Cutting-Edge formwork that transforms Manhattan

Feb 25, 2025
In the heart of NoMad, Manhattan, a new silhouette emerges from the New York skyline, more than 262 m high: the skyscraper at 262 Fifth Avenue. This 54-storey tower with 41 apartments is an architectural landmark.

The customer has opted for ULMA technology, choosing ULMA's extensive portfolio to bring the structure to life. Using MEGALITE, an imperial-sized vertical formwork system, the shaft and shear walls were constructed, along with columns ranging from 3.6 to 4.9 metres in height. The system has been noted for its speed and easy assembly, thanks to its quick-connection clamps.

CC-4 has been used as formwork for slabs up to 7.3 m high. Its light and safe design, combined with the robust ALUPROP props, ensured a fast and efficient installation. It has not only increased productivity, but also ensured a first-class concrete finish.

The HWS system was the technical solution for the perimeter protection against wind and height. By installing screen assemblies, this system covers the perimeter of the building, optimising time and processes.  Its powerful hydraulic mechanism has also made it possible to lift two screens simultaneously.

The RKS system has proven its ability to climb and shutter the shaft walls, optimising the use of the hydraulic units.

Find out more about this construction site in Manhattan in this spectacular video