A window is an opening in a wall, door, roof, or vehicle that allows the exchange of light and may also allow the passage of sound and sometimes air. Modern windows are usually glazed or covered in some other transparent or translucent material, a sash set in a frame.[1]
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Windows were generally covered in the documentary.
In 25 years after people, some windows have already cracked and slipped loose from the frames in a New York City high rise. The process is when it exposed to moisture and heat without maintenance, turning the flexible window sealant to become rigid, locking the window to its frame. After a quarter of century, the metal frame continues to expand and contracts with changes in temperature inducing stresses on the glass causing it to crack and plummets to the sidewalk below. Gordon Masterton stated that after a few of the windows fall out of a building, wind pressure effect changes dramatically including external pressure on the building. He continues that there will be suction and aggravates the problem by making more of the panels to fall out. The gutted holes make a perfect home for pigeons, whoo will take up residence inside the building.
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