Evaluating the cascading‐use of wood furniture: How value‐retention processes can contribute to material efficiency and circularity

Jennifer D. Russell, Kendria Huff and Eva Haviarova

Journal of Industrial Ecology, 2023, vol. 27, issue 3, 856-867

Abstract: As utilized technical products, durable wood furniture plays an important role in a future circular economy (CE). However, contemporary CE literature predominantly focuses on wood's biochemical properties and its potential as a consumable material within the bio‐cycle. This perspective prevents meaningful consideration of CE strategies for the wood products sector, particularly for value‐retention processes (VRPs), including reuse, repair, and refurbishment. We adapt and apply the VRP model introduced by the UN International Resource Panel (IRP) to wood furniture products to quantify select environmental benefits made possible through cascading‐use, via VRPs (vs. new manufacturing). Unlike traditional life cycle assessment (LCA), this model accounts for impacts incurred and avoided through product life‐extension and VRPs, relative to conventional systems of new manufacturing, disposal, and replacement. Three case studies of wood‐based chairs are conducted to demonstrate this new application of the VRP model to compare the relative environmental impacts associated with wood furniture that is diverted to cascading‐use, prior to recycling. In collaboration with industry partners, new material requirements (kg/unit), energy requirements (kWh/unit), emissions (kg CO2‐e./unit), and waste generation (kg/unit) were calculated for newly manufactured chairs (OEM new) and subsequent cascading‐use via reuse, repair, and refurbishment. The differing degrees of environmental impact avoidance and material efficiency are presented for each case study product and VRP, to provoke discussion and future research regarding the effective and optimal utilization of technical, durable wooden furniture within a CE.

Date: 2023
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