An intumescent is a material which reacts and expands aggressively when exposed to heat or fire. Depending on the requirements of the application, the expansion rate can be up to 30 times the original size of the product. The pressure generated by the intumescent when expanding can be tailored...
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Designers, specifiers, and code officials are unfamiliar with the best ways to locate information regarding National Fire Protection Association (NFPA) 285 test data and tested assemblies. This article provides guidance on how and where to find compliant tested assemblies and the extension of test data through engineering analyses.
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Powder coatings have been around for a long time. Most people know them as tough, beautiful, protective coatings, used on metal substrates and available in many colors. However, what many people do not realize is there are different types of powder coatings with different performance capabilities.
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A suspended (drop-in) luminous grid ceiling is a multi-functional architectural element that forms a major decorative surface. It keeps unsightly overhead mechanical services concealed but accessible, while hosting lighting and other fixtures and providing thermal/acoustic control.
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In 2022, the authors collaborated with researchers at the University of Massachusetts, Ajla Aksamija, PhD, and Suncica Milosevic, to quantify the potential for condensation on a variety of window systems. Eleven different aluminum architectural window systems spanning a wide range of heat transfer coefficients (U-factors) and CR ratings were...
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In the absence of a large-scale fire catastrophe, a sense of complacency may be influencing the specification of firestopping materials. In recent years, North America has seen a trend of pre-insulated back pans coming from overseas which contain foreign mineral wool that has not been tested to ASTM E2307....
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Modern in-building pipe rehabilitation offers complete restoration of vertical and horizontal plumbing systems located within walls and under floors, without the need for pipe replacement and the costly, invasive demo and repairs associated with it. This non-invasive form of pipe repair is ideal for vent, stack, and branch lines,...
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Construction defect litigation is not only doing well, but it is also thriving. There is no shortage of defective construction work and failed projects. Whether it is ceramic tile or natural stone, or any other construction material, construction defects unfortunately are relatively common in projects.
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For roofing and wall cladding products, architectural zinc’s inherent metallic properties can help reduce the embodied carbon footprint for residential and commercial buildings, and improve their energy-efficient, climate-resilient, long-lasting performance.
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Managing sound transfer into and throughout a large commercial building can present a serious challenge. To help manage this issue, this article ranks seven innovative materials, from most to least comprehensive, that can reduce noise in commercial spaces.
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