Building owners, commercial roof specifiers, architects, and contractors have some decisions to make when it comes to the material they should use to repair or replace a low-slope roof. Three popular choices include: coating over the existing roof; thermoplastic polyolefin (TPO) recover; or TPO replacement.
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Design-build (D-B) proponents laud the construction delivery method as a suitable way for complex projects to accelerate completion, contain liability for cost overruns, and shift operational risks.
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Located in Fort Collins, Colorado State University’s (CSU’s) Pavilion transcends physical bounds to teach students sustainability through materials, advanced systems, and programmatic features. Showcasing unique passive technologies, its katabatic cooling tower and its Trombe parapet wall are a dynamic duo making this green structure truly innovative.
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Highly reflective roofs, or ‘cool roofs,’ have been used throughout the country as an urban heat island reduction strategy, and as an energy saving measure for many years. The implementation began in warm climates such as California, Texas, and Florida.
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At this point, most design/construction professionals have a pretty good understanding of the need for well-designed air and moisture control layers in wall assemblies.
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Solid timber construction, sometimes called ‘mass timber,’ is an emerging set of engineered wood products—massive planar or frame elements used for walls, floors, roofs, partitions, and core elements of a building.
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Similar to most industrial sectors, regulatory requirements in both pharmaceutical and food manufacturing have become more stringent than ever. In response, the equipment and processes used in these industries have also become more sophisticated.
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A recent 60 Minutes episode, “Falling Apart,” noted America’s roads, bridges, airports, and rail lines are outdated, neglected, and need to be fixed. The segment goes on to state, “nearly 70,000 bridges in America—one out of every nine—is considered to be structurally deficient.”
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Architectural zinc (titanium-zinc alloy, rolled zinc, zinc strip) is a soft, natural-weathering metal that has been used for centuries in various roof applications. Its value reaches far beyond beauty and durability.
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One of the most important, and least understood, aspects of project management is the ‘float.’ Generally thought of as extra time or leeway for completing work, its use remains controversial, with some arguing the calculations involved are fraught with deception.
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