IRG Documents Database and Compendium


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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


Depictions on Wood: Acceptation and Internalization of Wood, which is an intercultural interaction tool, as “A Valuable Object” (Wood is the Material of Endless Possibilities)
2018 - IRG/WP 18-40837
Wood is a renewable and natural organic material that has a larger range of uses with inclusion of so many different places with its easy processing, functionality, versatility, anatomical structure, chemical composition, physical properties, mechanical properties, aesthetic appearance, healthy and environmentally friendly aspects, and hence there is a growing interest in making better use of wood...
I Usta


Conversion by insects – alternative method for wood waste up-cycling
2018 - IRG/WP 18-50337
Building industry is a major consumer of materials and waste generator in Europe. The bio-based building materials are considered as interesting alternative in modern building sector due to their low environmental impact. However, in order to increase confidence for bio-based materials application, they should present satisfying performance during service life allowing at the same time their casca...
A Sandak, J Sandak, M Kutnik, I Paulmier, C Brunet, M Petrillo, P Grossi


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


Environmental protection and long term in-service sustainability of preserved wooden poles is secured by non-toxic barrier protection system – History and case studies in South Africa
2018 - IRG/WP 18-50340
Non-toxic flexible sheeting systems have been developed to encapsulate the ground contact regions of preserved wooden poles and prevent their premature failure in South Africa since 1992 but the technology also has a long history of resistance by individuals with vested interests in the built-in redundancies of such poles. The concept has, however, been simultaneously validated by many independent...
A A W Baecker


Performance of modified wood in service - multi-sensor data fusion and its multi-way analysis
2019 - IRG/WP 19-20660
Recent developments in the field of electronic sensors and analytics provide new opportunity for accurate characterization of materials often based on portable and non-destructive methods. By using several complementary techniques, the material description is precise and complete. The data provided by multiple equipment, however, are often not directly comparable due to different resolution, sensi...
A Sandak, J Sandak, M Cocchi


Is cascading of harvested wood products really an environmentally beneficial strategy in Finland and Norway?
2020 - IRG/WP 20-50364
The role of cascading wood waste in the bioeconomy is highlighted in the several strategic documents. The European Waste Framework Directive describes a waste hierarchy where re-use and recovery are considered more favourable options compared with energy recovery, and applies strict re-use and recycling targets to household waste and non-hazardous construction and demolition waste. It is not fully...
C A S Hill, G Alfredsen, M Hughes, L R Gobakken


Service trial of different materials exposed in jetties at Öresund. Progress report No. 5
2022 - IRG/WP 22-30764
This report contains results of the fifth inspection on the performance of different decking materials – preservative-treated wood, modified wood, natural durable wood, re-cycled plastics and wood-plastic composites (WPCs) - available on the market and exposed since 2013 (some since 2014 and 2016) by the City of Malmö in two jetties near the Øresund Bridge, south of central Malmö in Sweden. T...
J Jermer


They might be boring: pests of timber-in-service deserve more attention
2023 - IRG/WP 23-11007
Insects affecting timber-in-service, particularly bostrichid borers and termites, are among the most frequently intercepted organisms at international and national borders, associated with wood packaging, wooden furniture and artefacts, and timber and timber products. There are more than 25 non-native insect species in the Bostrichidae, Ptinidae, Cerambycidae and Kalotermitidae, and at least 12 no...
H F Nahrung, F Tovar, A Carnegie


End-of-life options for engineered wood products / Treated timber in a circular economy
2023 - IRG/WP 23-50383
Australians are excellent consumers of products. These products ultimately end up as waste materials and need to go somewhere. Australia produces around 28 million tons of waste per year with around 50% currently ending up in landfill, including a significant amount of timber, engineered wood products (EWP’s), and preservative treated wood (PTW). Limited landfill capacity, increasing costs, and ...
H Brooke


State of U.S. forests: Status and projections from the 2017 forest resources report and the 2020 resources planning act assessment
2024 - IRG/WP 24-50399
This presentation provides a comprehensive overview of the state and trajectory of America’s forest land, drawing from the “Forest Resources of the United States, 2017” and the “Future of America’s Forests and Rangelands: Forest Service 2020 Resources Planning Act Assessment.” It describes the current status and historic trends of forest land area, ownership, and volume and then expand...
S Oswalt


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