A Clear View

When speaking of a building’s environmental sustainability, it has become common practice to describe its green “envelope. The outer shell of a building, separating the interior from what lies beyond, the envelope includes such elements as the roof, walls, foundation, and floors. All of these features can be “greened in various ways – and in previous issues we’ve explored both green roofs and living walls – yet the installation of windows is akin to punching giant holes in that envelope.

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October 22, 2019, 12:59 PM EDT