Beton Brut
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That's not marble on the Brooke -- it's white granite.
Marble is a bad idea as a cladding material in northern climates; horror stories from Helsinki & Chicago below.
Finlandia Hall -- Alvar Aalto
Aon Center (Standard Oil Building) -- Edward Durrell Stone
The whole point of City Hall and the Brutalist movement is Truth to Materials. Recladding the building is tantamount to dressing it in drag -- a foolish waste of money.
By all means, clean the concrete, install better (opening) windows, open it up to the public (i.e. lose the metal detectors), program its arresting public spaces. My quick review of the BAC piece shows that there are some good ideas out there (the Moskow proposal being my favorite).
Marble is a bad idea as a cladding material in northern climates; horror stories from Helsinki & Chicago below.
Finlandia Hall -- Alvar Aalto
Wikipedia said:As regards the exterior Carrara marble cladding, over the years the 3 cm thick marble slabs had tended to curve: the slabs were too thin and were affected by the harsh winter weather conditions and pollution. The Alvar Aalto office and the National Board of Antiquities investigated the various options, including replacing the slabs with durable Finnish grey granite slabs. However, it was finally decided to replace all the exterior slabs with new Carrara marble ones, but in a slightly thicker dimension, and attached to a concrete tile backing. The large reparation project was completed in 1998: however, by 2006 many of these slabs had already begun to curve. The same problem has also affected other buildings in Helsinki by Aalto in which he used Carrara marble slabs (e.g. The Enso-Gutzeit Building)
Aon Center (Standard Oil Building) -- Edward Durrell Stone
Wikipedia said:When completed, it was the world's tallest marble-clad building, being sheathed entirely with 43,000 slabs of Italian Carrara marble. This quickly proved to be an unsuitable cladding for the harsh Chicago winters. In 1974, just a year after completion, one of the marble slabs detached from the fa?ade and penetrated the roof of the nearby Prudential Center Annex. To alleviate the problem, stainless steel straps were added to hold the marble in place. Later, from 1990 to 1992, the entire building was refaced with Mount Airy white granite at an estimated cost of over $80 million. (Amoco was reticent to divulge the actual amount, but it was well over half the original price of the building, without adjustment for inflation.) The discarded marble was crushed and used as landscaping decoration at Amoco's refinery in Whiting, Indiana.
The whole point of City Hall and the Brutalist movement is Truth to Materials. Recladding the building is tantamount to dressing it in drag -- a foolish waste of money.
By all means, clean the concrete, install better (opening) windows, open it up to the public (i.e. lose the metal detectors), program its arresting public spaces. My quick review of the BAC piece shows that there are some good ideas out there (the Moskow proposal being my favorite).