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Abstract

Purpose: The aim of this paper is to present the application of the NativeLCA methodology to the selection of Life Cycle Assessment (LCA) datasets of insulation materials to be used as generic data within a national context. Method: NativeLCA is applied to the following products: stone wool (SW), polyurethane and insulation cork boards, expanded and extruded polystyrene, and lightweight expanded clay aggregates. Following the NativeLCA methodology, a review of available datasets for these insulation products is presented (i.e. generic LCA and Environmental Product Dec-laration databases). For each material (except SW), the aim was to verify the plausibility of LCA studies completed based on site-specific data, in order to use the latter as generic data within a national context. Results and discussion: The case studies presented in this paper demonstrate the applica-bility and usefulness of using NativeLCA in the selection of a coherent dataset as generic data within a national context. Moreover, the application of this methodology to six case studies showed its feasibility, benefits, and limitations, while allowing the identification of some potential improvements. Conclusion: NativeLCA relies on the selection of LCA data sets of construction products available in the European context to be used as generic for a national context. This is a straightforward approach, focused on the selection of a LCA data set to be directly used by LCA practitioners. The scope of NativeLCA was limited in this paper to insulation ma-terials, but this methodology can be applied to other building products.

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