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Life cycle assessment of creosote treated wood and tall oil treated wood with focus on end-of-life
2016 - IRG/WP 16-50320
The use of creosote for protecting wood products in heavy-duty application outdoors has been common for many years, but stricter regulations have limited creosote’s use. Life cycle assessments (LCA) have shown that in some applications alternatives to creosote treated products do not have less environmental impacts. Searching for alternatives to creosote, tall-oil-based preservatives have been ...
L G F Tellnes, U Hundhausen


Uncertainty in life cycle assessment of preservative treated wood – copper and freshwater ecotoxicity
2017 - IRG/WP 17-50331
Life cycle assessment (LCA) is a method for quantifying the environmental impacts of a product over the life cycle. In the last years, there have been a growing application of LCA in developments of environmental product declaration (EPD), which is utilised by professional procurement of materials for buildings. For legislative issues, LCA have also been used to assess application of creosote to t...
L G F Tellnes


Declaring life cycle inventory of toxicity related emissions in environmental product declarations of preservative treated wood products
2018 - IRG/WP 18-50339
Life cycle assessment (LCA) including impacts on toxicity for preservative treated wood has been shown to have large uncertainties. With the growing demand for verified LCA in environmental product declarations (EPD), the need for reliable data is crucial for realistic assessment of wood products. Uncertainty is caused by several issues such as service life prediction, leaching rates and calculati...
L G F Tellnes, C Askham, P-O Flæte, M Klamer


Carbon footprint of a cross laminated timber building – Torvbraten school case study
2021 - IRG/WP 21-50366
Torvbråten school is a public school in Asker, Norway, that has reached many sustainability goals. The school was the second in Norway to have Nordic Swan Ecolabel and has a 60 % reduction in carbon footprint compared to the reference benchmark. The building is made of cross laminated timber (CLT) and extensive wood use in general. From a wood protection viewpoint, will this sustainability sustai...
L G F Tellnes, J K Naess, M R Hanssen, P-O Flate