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BREATHLESS: THE AIRTIGHT ENVELOPE The airtight envelope emerged in the early 20th century as a

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BREATHLESS: THE AIRTIGHT ENVELOPE

The airtight envelope emerged in the early 20th century as a result of a momentous convergence between a series of political, social, and technological processes that led to a complete separation between inside and outside.

The combined threat of industrial pollution, urban epidemics, chemical warfare, and even class and racial divisions, along with the development of mechanical ventilation, synthetic membranes, and silicones, triggered rapid development of building technologies for sealed envelopes. The recycling of the World War II industrial war machine, the moon race, the Cold War, the suburbanization of cities in the developed world, and, more recently, Sarin Gas attacks, SARS epidemics, and …show more content…

PREDECESSORS

Tar paper and building felts were first produced during the early 1800s California Gold Rush as quickly deployable membranes for temporary structures. They immediately began to compete with sheet metal and shingles as a permanent, vapor- and water-resistant cladding material.

Frank Lloyd Wright’s 1906 Larkin Administration Building was one of the earliest fully sealed buildings, designed according to the client’s desire to keep the soot of industrial Buffalo and the nearby rail yards from penetrating into the work environment. Wright designed the building with sealed double-pane windows and a mechanical heating and ventilation system, one of the first air-conditioned buildings in the United States.

When early 20th century zoning regulations required Manhattan skyscrapers to adopt receding profiles to encourage light and moving air to reach the city streets, architects had to come up with new ways to keep out the water, now both vertically and horizontally. Waterproofing and sealant manufacturers used these new regulations to promote their materials. Therefore, new laws produced new architectural forms with new problems to be solved by new products.

Standing seam metal roofs and other metal roof claddings, widely used in the 19th century, reemerged in the mid-20th century in the form of aluminum and stainless steel prefabricated panels not only for roofs

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