Designing better commercial fenestration through thermal design

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Fenestration—such as windows, curtain walls, window walls, sloped glazing, storefronts, and doors—affects building energy use through four basic mechanisms: thermal heat transfer, solar heat gain, visible transmittance, and air leakage. Product designers, architects, and specifiers must reconcile the interplay of these factors to arrive at, or verify, optimal thermal performance.

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Protecting our historic glazing

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According to the National Park Service (NPS), “when historic windows exist, they should be repaired when possible. When they are too deteriorated to repair, selection of the replacement windows must be guided by Standard 6 [of the Secretary of the Interior’s Standards for Rehabilitation].”

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In or out?

Cash department window

While security windows and detention windows may seem to serve the same purpose, the major difference comes down to whether you intend to keep the threat in or to keep it out. The answer to this simple question will influence how to correctly specify the right type of window for a facility.

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From jail to hotel: Windows that work

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When baseball superstar Babe Ruth toured Boston’s Charles Street Jail in 1925, he famously quipped: “This isn’t a jail, it’s a hotel”—a prophecy that has since come true. Now known as the Liberty Hotel, this 298-room, high-end hospitality destination retains its architectural heritage with its famed rotunda, jail-themed bars and restaurants, and its historically accurate replacement windows.

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Fire-protective glass and increased color clarity

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Modern architectural designs favor open spaces and natural light throughout large buildings. Now, even enclosed interior areas like offices, corridors, and stairwells are using interior glass to open up otherwise windowless spaces. This requires fire-protective glazing that offers not only life safety, but also visual and color clarity.

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