In building code history, wood structures have been highly regulated. Experience gained from past fires contributed to what is still the basis of today’s modern building codes, which are traditionally slow to change, and therefore, retain limits and restrictions established in response to what occurred centuries ago.
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Wood's beauty has long been appreciated for both architectural ceiling and wall panel assemblies. Significant changes during the past decade have led to new fabrication techniques and products complementing traditional millwork.
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Before the end of the 19th century, wood was commonly used as a primary building material in several types of non-residential structures. Demonstrating the durability and strength of building with wood, many of these timber-built structures remain in use.
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This follow-up to a previous article on the importance of field verification, testing responsibilities, and reporting protocol describes some of the equipment and instruments this author frequently uses when visiting construction sites.
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Two critical aspects of sustainable construction are long-term durability and energy efficiency. The latter is a measure of whole building performance, which depends on the envelope as well as the building systems and occupant behavior.
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Efflorescence is one of the first signs of moisture problems for cementitious materials, especially masonry. A by-product of moisture combining with free salts, this phenomenon is not only just a cosmetic problem—left unchecked during freeze-thaw conditions, it can cause brick to weaken, spall, or crumble in some cases.
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When dealing with efflorescence, there are a few simple rules to remember.
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Providing adequate rainwater management and control for air, vapor, and heat flow through the building enclosure is critical to long-term performance and durability. In contemporary wall assemblies with layered materials, the complexity of coordinating these various demands can be overwhelming.
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Ensuring architectural door hardware conforms to codes and standards has a close connection with the three essential issues in overall openings performance: accessibility, security, and life safety.
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An accelerated schedule for Little Big Horn College’s Health & Wellness Center in Crow Agency, Montana, required the project team to start construction before design completion.
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