United Steelworkers Building

Hidden behind the taller buildings, the United Steelworkers Building waits to be discovered from the immediate vicinity. And once discovered it doesn’t disappoint. The facade of the building is a textural delight, with its diamond like, rhomboid window superstructure that counters what we are used to see. Even the corners of the building are finished not compromising the manner, with edges clipped to conform.

But the facade wall does not have the decorative purpose only, as the building is the first ever constructed exterior space frame building. The whole facade wall structure is supported by just eight massive triangular anchors, the point where the diagonal bearing grid can be seen in full its thickness.

This building is a showcase of modernist thought at its best, a true gem of Pittsburgh.

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