Tag Archives: glass

Thinking Big: Seven considerations when specifying large insulating glass units

August 31, 2015

Insulating glass (IG) units—or IGUs—have come a long way in the past 70 years. Originally mass-produced in the early 1940s to decrease noise and increase passenger comfort in Pullman railroad cars, the technology has transcended that mobile application.

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Solving window wall problems by eliminating causes

April 23, 2015

Window walls eventually fail under repeated occurrences of causes like loads, movement, stress fatigue, and the degradation of material properties due to aging. How can one simply anticipate the ‘causes’ and then design to eliminate them in the first place?

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Additional thoughts on the NAFS short-form specification

December 2, 2014

In the December 2014 issue of The Construction Specifier, Dean Lewis wrote about the North American Fenestration Standard/Specification for Windows, Doors, and Skylights’s (NAFS’) short-form specification. American Architectural Manufacturers Association/Window and Door Manufacturers Association/Canadian Standards Association (AAMA/WDMA/CSA) 101/I.S. 2/A440, serves as the basis for product certification as required by the International Building Code (IBC).

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Seeing through glass cracks

April 4, 2014

Cracking was observed in the exterior curtain wall glass on an early-1970s mid-rise building in the Midwest. As originally constructed, the curtain wall included single-glazed 5.5-mm (7/32-in.) thick bronze-tinted glass at all floors—except the uppermost level, which featured single-glazed 9.5-mm (3/8-in.) thick clear polished plate glass.

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Intolerant accumulation in unitized curtain walls

May 1, 2013

Despite efforts at coordination during design and construction, lack of accommodation or understanding of the accumulative effect of dimensional tolerances during the installation of one or more cladding components continues to occur.

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