IRG Documents Database and Compendium


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Aesthetic changes of coated thermally modified wood after artificial weathering
2017 - IRG/WP 17-40819
The thermal modification process affects the chemical configuration of the wood matrix improving some physical properties and durability. In addition, the distinctive dark tones of thermally modified timber increase the economic value of several light-coloured species. However, heat-treatment alters the substrates and it could influence in the application of coating products, necessaries to mainta...
R Herrera, J Sandak, E Robles, J Labidi


UV-curable coatings developed for aesthetic and biological protection of wood outdoors
2017 - IRG/WP 17-40821
To avoid wood greying, dimensional variations, and degradation by biological agents wood is protected with preservation products and coatings when used outdoors. For some wood species used for cladding, a treatment with a preservation product is required, and is frequently additionally protected with a coating. In this study, Mäder Group developed a new UV-curable coating for outdoors application...
C Reynaud, A S Schuller, M Kutnik, L Podgorski


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


Keeping wood greenest: Maximizing the unique benefits of preserved wood through end-of-life planning to realize carbon sequestration and a circular economy
2024 - IRG/WP 24-50387
While competitive fuels and different energy sources are a main driver of current difficulties with using end-of-life wood products for fuel, that is a potentially smaller problem than the rapidly changing carbon footprints of competitive materials, which can potentially be smaller than wood, if the wrong decisions are made at the end of life by users and waste generators. While users have several...
J D Lloyd, B Poe


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