06 00 00 Wood, Plastics, and Composites

Category Archives: 06 00 00 Wood, Plastics, and Composites

Grant project follows lifecycle of urban wood

Urban lumber harvesting has emerged as an option for cities like Wisconsin.  Photos courtesy Kubala-Washatko Architects

By Rebecca Konya
In the October 2014 issue of The Construction Specifier, an article examined how urban lumber harvesting has emerged as an option for resources otherwise devastated by the emerald ash borer. It takes a particular look at how Milwaukee, Wisconsin, is becoming an important player in finding new opportunities for wood—carpentry, casework, and flooring included. This web piece takes the story further.

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Seeing the Urban Forests for the Trees: Secondary benefits of our cities’ wood

Photo courtesy M Magazine

In the wake of the devastation caused by the emerald ash borer, urban lumber harvesting has emerged as a response in the United States and Canada. Instead of grinding the wood into mulch, the urban wood movement promotes using urban forests to provide distinctive finishes for built spaces while also connecting those spaces to a piece of history. Designers, contractors, specifiers, and related professionals wishing to use urban wood must be aware of special considerations if they wish to take advantage of this unique resource.

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Energy Efficiency and Building with Wood: Six Building Lifecycle Steps

Buildings have an impact on people and the environment throughout their entire lifecycle, starting with extracting resources from the earth to putting them back in the earth, or burning them, at the end of their lives. To evaluate the effect of buildings in this regard, everything from the energy they consume, the waste they generate, and the carbon dioxide (CO₂) they emit must be considered throughout six major cycles.

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Energy Efficiency and Building with Wood

Photo © Norman A. Müller

The combination of wood and energy efficiency in construction can be the result of new wood technologies. Introducing new sustainable forestry management policies and manufacturing with engineered lumber products will lead to alternative building practices using glued-laminated (glulam) and cross-laminated timber (CLT), computer-aided manufacturing, and optimal value-engineered framing. The lifecycle of a building, energy measurement, and Passive House design elements are discussed.

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Design of Fire-resistive Exposed Wood Members

Photo courtesy Structurlam

The article offers an in-depth look at design considerations for fire resistance when building with wood products. It also looks at wood engineering mechanics and design procedures that comply with the International Building Code (IBC), recognizing fire resistance demonstrated by structural wood beams and columns in actual fires.

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Getting on Deck: High-performance options for composite decking

Photo courtesy MoistureShield

Since the late 1980s, manufacturers have introduced dozens of wood-plastic composite decking products, including composite boards with thin plastic caps (i.e. capped composites) in recent years. Composite decking manufacturing methods vary, resulting in deck boards with significantly different performance characteristics. Several composite brands have experienced field failures, but newly advanced products are proving promising against demanding exposures. Specifying durable and attractive composite decking requires attention to key physical traits, including moisture absorption, and insect resistance.

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