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Title: Life-cycle inventory of manufacturing hardwood lumber in Southeastern US

Source: Wood and Fiber Science, Volume 44, Number 1, 2012, pp. 71-84; 2012

Author(s)Bergman, Richard D.; Bowe, Scott A.

Publication Year: 2012  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4851-MA

Abstract: Environmental impacts associated with the building industry have become of increasing importance. Materials and energy consumed during manufacture of building materials such as lumber affect a building’s environmental performance. This study determined environmental impacts of manufacturing hardwood lumber in the southeastern US using the life-cycle inventory method. Primary data were collected and then weight-averaged on a per-unit basis of 1.0 m3, of planed dry lumber (600 oven-dry kg/m3) to find material flows and energy use. Cumulative allocated energy consumption for manufacturing 1.0 m3 planed dry lumber from 2.44 m3 of incoming logs was 5.86 GJ/m3 with 66% from wood fuel. Emission data produced through modeling estimated total biomass and fossil carbon dioxide production of 424 and 131 kg/m3, respectively, considering all impacts. A cubic meter of planed dry hardwood lumber stores 1.17 Mg CO2 equivalents as a final product. The amount of carbon stored in hardwood lumber exceeds fossil carbon emissions by a factor of nine. Therefore, as long as hardwood lumber and its carbon stay in products held in end uses, carbon stored will exceed fossil carbon emitted in manufacturing.

Keywords: Life-cycle inventory; hardwood lumber; southeastern US; LCI; CORRIM; gate-to-gate; green building; manufacturing

Publication Review Process: Informally Refereed (Peer-Reviewed)

File size: 818 kb(s)

Date posted: 01/27/2012

This publication is also viewable on Treesearch:  view
RITS Product ID: 41731
Current FPL Scientist associated with this product
Bergman, Richard
Research Forest Products Technologist
  

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