Features

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More on duplex stainless steel and bridges

Pedelta’s Cala Galdana Bridge in Menorca, Spain, uses duplex 2205 stainless steel structural components. Photo © Juan Sobrino

In the May 2015 issue of The Construction Specifier, Catherine Houska, CSI, discussed how duplex stainless steels are being specified for numerous structural applications. This complementary web piece looks at a few additional projects from around the world that make use of this versatile material’s attributes.

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Specifying Wall Cladding Fasteners

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Curtain walls are often the focal point of aesthetic design for a multi-story building. Behind the attractive façade are the pedestrian, yet arguably more important, functional components that ensure safety and reliability—fasteners that transfer loads both imposed and experienced by the assembly to the building’s structural framework.

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Using Vapor Retarders to Manage Airflow and Reduce Moisture

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Industry codes are tightening the building envelope and increasing the required R-value of walls. This is a good thing for energy savings and thermal comfort. Yet, one change to a building’s system sets forth a series of other changes. The tight-envelope construction techniques to which architects and builders are now required to adhere have led to a steep reduction in air movement through walls.

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Properly Soldering No-lead Copper Alloys

copper_A Plumber Shows the Proper Soldering Technique When Working With Copper Pipe

Last year, new federal guidelines were introduced, reducing the acceptable levels of lead that can be found in various plumbing components used for potable water applications. This change had a major impact on plumbing professionals, as well as the industry as a whole.

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An Education on Masonry: Designing schools with the construction process in mind

masonry_Columbus Scioto 6 thru 12 Photo by Cory Klein

Masonry may be one of the oldest construction methods, but it maintains its viability in the modern world, offering durability combined with low maintenance needs. Various building types use masonry as their primary method of construction, and even for those that do not, the serviceability of Division 04 materials makes it a popular choice for areas such as stair and elevator shafts and foundations.

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Air-loop window walls

Some windows walls  employ designs that include exposed slab edges, but these can lead to potential problems. Rethinking the basic design concepts could have important benefits. All images courtesy Raymond Ting

In this second part on a two-article series on air-loop window walls, the author discusses nine potential problems with traditional exposed and covered slab-edge design and explores how to eliminate the causes of concern.

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