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Cradle-to-gate life-cycle assessment of glued-laminated wood product from Quebec’s boreal forest

Laurent Achille-Benjamin, Gaboury Simon, Wells Jean-Robert, Bonfils Sibi, Boucher Jean-François, Bouchard Sylvie, D'Amours Sophie et Villeneuve Claude. (2013). Cradle-to-gate life-cycle assessment of glued-laminated wood product from Quebec’s boreal forest. Forest Products Journal, 63, (5/6), p. 190-198.

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The building sector is increasingly identified as being energy and carbon intensive. Although the majority of emissions are linked to energy usage during the operation part of a building's life cycle, choice of construction materials could play a significant role in reducing greenhouse gas emissions and other environmental end-point damages. Increasing the use of wood products in buildings may contribute to the solution, but their environmental impacts are difficult to assess and quantify because they depend on a variety of uncertain parameters. The present cradle-to-gate life-cycle analysis (LCA) focuses exclusively on a glued-laminated wood product (glulam) produced from North American boreal forests located in the province of Quebec, Canada. This study uses primary data to quantify the environmental impacts of all necessary stages of products' life cycle, from harvesting the primary resources, to manufacturing the transformed product into glulam. The functional unit is 1 m3 of glulam. This is the first study based on primary data pertaining to Quebec's boreal forest. Quebec's boreal glulam manufacturing was compared with two other LCAs on glulam in Europe and the United States. Our results show that Quebec's glulam has a significantly smaller environmental footprint than what is reported in the literature. From an LCA perspective, there is a significant advantage to producing glulam in Quebec, compared with the European and American contexts. The same holds true in regard to the four end-point damage categories.

Type de document:Article publié dans une revue avec comité d'évaluation
Pages:p. 190-198
Version évaluée par les pairs:Oui
Sujets:Sciences naturelles et génie > Sciences appliquées > Climatologie et météorologie
Sciences naturelles et génie > Sciences appliquées > Foresterie et sciences du bois
Département, module, service et unité de recherche:Départements et modules > Département des sciences fondamentales
Mots-clés:construction materials, greenhouse gas, GHG, glued-laminated wood, glulam, building, life cycle, footprint, Quebec
Déposé le:15 mars 2016 00:14
Dernière modification:05 déc. 2016 20:51
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