Tag Archives: failures

Failures: Understanding plaster ceilings in older buildings

March 11, 2024

Plaster ceilings are generally more prone to larger area failures compared to wall applications for several reasons. One primary factor is the sustained tensile forces experienced by the layers of plaster, lath, and lath fasteners due to their suspended self-weight from the point of installation onwards.

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Failures: Curious case of floating concrete masonry unit

February 15, 2024

At a residential high-rise, staff reported concrete masonry cracking and water infiltration on the top floor of the parking garage during rain. Upon inspection, a continuous horizontal crack, up to 14.3 mm (0.5625 in.) wide, was found near the top of the concrete masonry unit (CMU) exterior wall, extending almost the entire length of one facade.

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Failures: Avoiding post-fabrication damage in prefab systems

January 12, 2024

When specifying prefabricated building enclosure systems, project-specific quality assurance (QA) procedures, including a step-by-step review and documentation of the panel assembly during off-site fabrication, are often required.

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Failures: Costly consequences of skipping out on kick-out flashing

December 7, 2023

Many industry groups recommend kick-out flashings, and various prefabricated options for three-sided flashings are available; however, they are not consistently used where needed. Two recent projects show the severe consequences when this critical component is omitted, leading to significant structural deterioration only a few years after construction.

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Failures: Distress strikes with faulty lipped brick installations

November 10, 2023

If not properly detailed and/or constructed, lipped brick installations can lead to distress, often within a few years of construction.

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