Mass timber structures are entering the discussion for many projects in North America, and increasingly for taller buildings. This is, in part, due to recent code changes allowing for combustible construction in taller structures. However, interest in the industry is driven by a larger trend—the need for fast action to mitigate climate change.
A step-by-step guide to writing a strong specification for generic fire-retardant-treated wood (FRTW) for specifiers. The history of FRTW, how it is manufactured, and how it compares to steel, concrete, and painted/coated wood products helps create a context to better understand when to use specific products in specific situations.
Laminated veneer lumber (LVL) and glue-laminated (glulam) timber products are designed for applications where they will be highly stressed under design loads. Drilling or notching of LVL and glulam should typically be avoided. But, in situations where it cannot be avoided, this article provides some helpful guidelines.
The ability to understand and to measure a building’s environmental impact is pivotal in order to make buildings more sustainable. By exploring the principal methods and tools assessing carbon footprint in the context of building materials, architects and specifiers can compare alternate designs and make informed choices.
With the variety of cladding materials available today, and designers’ penchants to combine styles and textures, it is essential to specify building envelope controls that are compatible with multiple cladding types. This balancing act between aesthetic preferences and air and moisture management is where gypsum-integrated water-resistive barrier-air barrier (WRB-AB) sheathings shine.
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