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Moffette Tharpe, Robert Bouchard, CPCI, and Michael Chusid, RA, FCSI
Architectural precast concrete is known for versatility, durability, affordability, and speed of
erection, but unfortunately, also its weight. The use of a hybrid thin precast concrete and steel stud
framing system reduces impacts.
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J. Bret Turley, PE
For cracked and uncracked concrete, a comprehensive Limit States Design (LSD) methodology
helps determine factored tension and shear resistance of cast-in-place anchors.
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Sherry Sutherland, M.A.Sc, P.Eng., LEED AP
Concrete pavements are known for their strength, durability, longevity... and higher price.
However, lifecycle cost studies are now showing concrete means lower maintenance and
rehabilitation needs for Canada's streets and highways.
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Angus E. Crane
While mineral wool/fibre insulation products can help projects earn credits toward green
building programs, it is easy to forget the core purposes of insulation are to conserve energy
and improve comfort. Understanding codes is key.
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Jason Smith
This article covers the basics of the chemistry behind polyurethanes, and the trends that have driven
the roofing industry toward the material's use in the form of foams, coatings, and adhesives.
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Chuck Howard, PE
For re-roofing projects, a sloped metal roof can often simply be added over the existing assembly.
This is usually cheaper—and less wasteful—than removing a flat roof and installing a new one.
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Jason Bakus
Sometimes referred to as 'membrane,' 'extrusion,' or 'flexible flashing,' pre-cured joint sealant
products can be used in a wide variety of applications for metal building projects.
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Henry L. Lowman
Liquid fluoropolymer coatings have been preferred for aluminum architectural components, but a new,
emerging generation of powder coatings may change that, thanks to improved properties.
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Allison Barlaz, MBA, and Neil J. Sexton, AIA
Fibre cement siding can be excellent for commercial and multi-family exterior cladding applications.
For successful use, it is important to know how the material is manufactured, its code-compliance
requirements, and the necessary application steps.
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