Throwing a curve into designs with bent insulating glass

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Bent glass is a trend that has worked its way from sculptures and interior décor to becoming a major component of buildings’ exteriors. A modern, aesthetically pleasing design element, this glazing literally throws a curve into a façade, making people look twice and admire its unique structure. However, building professionals working with bent insulating glass (IG) must understand the process is as much a science as it is an art.

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The hazards of traditional wired glass

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For decades, traditional wired glass—with its crisscrossed wires creating diamonds or squares—was installed in buildings around the world. Thanks to its ability to remain intact even when broken, it was the first and, for years, only form of glazing available for fire door assemblies in schools, hospitals, and other buildings.

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Managing Daylighting with Shading

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Skylights are effective for allowing daylight into buildings. However, this needs to be properly managed to ensure spaces are not flooded with too much daylight and the risk of glare is mitigated. The amount of solar radiation coming through horizontal and inclined glazing is much greater than vertical façades, and this can cause significant heat gain issues.

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Planning for Effective Daylighting

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Building owners, architects, lighting designers, and engineers must work together so a project’s design can be maximized to bring in as much light without causing excessive glare or heat gain. While skylights work for a building’s top floor, most of the daylight in commercial building comes through windows.

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Making the NAFS short-form specification work

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Fenestration products are becoming undeniably more complex as performance expectations diversify and tighten. The same is true of the standards guiding both designers and specifiers of these products. The focus of these standards is the American Architectural Manufacturers Association/Window and Door Manufacturers Association/Canadian Standards Association (AAMA/WDMA/CSA) 101/I.S. 2/A440, North American Fenestration Standard/Specification for Windows, Doors, and Skylights (NAFS).

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