IRG Documents Database and Compendium


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Your search resulted in 359 documents. Displaying 25 entries per page.


Moisture sorption behaviour of poplar and thermally modified poplar using dynamic vapour sorption (DVS)
2022 - IRG/WP 22-40947
The moisture sorption behaviour of wood has a critical impact on service life. In Europe, softwood is mostly used to manufacture engineered wood products such as cross-laminated timber (CLT) or glue-laminated timber (GLT or glulam). Yet fast-growing and widespread tree species such as hybrid poplar with or without modification, have potential to meet the increasing demand. This study shows the moi...
X Jiang, J Van den Bulcke, L De Boever, M Minsart, A Mignon, J Van Acker


Morphological observation of wood at the early stages of decay in brown rot and white rot
2023 - IRG/WP 23-11020
Wood rotting fungi, the fungal species causing biodeterioration for wood building, are generally classified into white-rot, brown-rot and soft-rot fungi based on their decay modes. Since white-rot and brown-rot fungi are known to reduce wood strength significantly, it is important to clarify the mechanisms of their wood degradation. White-rot fungi reduce wood strength as the decay progress and de...
R Tsukida, T Hatano, Y Kojima, Y Horikawa, S Nakaba, R Funada, M Yoshida


Reuse of discarded wood and alternative wood species to replace spruce in the development of wooden windows for complete disassembly – REWINNUSE
2023 - IRG/WP 23-30785
The REWINNUSE project focuses on the reuse of discarded wood and alternative wood species and on the development of wooden windows that can be easily disassembled into their basic components. In cooperation with the project partners (M Sora, the University of Ljubljana Biotechnical Faculty (BF), the Norwegian Institute of Bioeconomy - NIBIO and the Slovenian Forestry Institute (GIS)), the project ...
B Lesar, M Humar, J Levanič, A Treu, A Ugovšek, L Kramarič, B Štrakel, L Križnar, B Šubic, J Gričar


Short-term absorption of water and coatings on thermally modified blue-stained spruce wood
2023 - IRG/WP 23-40984
The importance of wood has been increasing in the last decades. Among conifers, predominantly spruce (Picea abies) wood is often used in building constructions in Europe. Namely for construction and facades of buildings, decking and fences. Due to the increased public concerns about biocides, alternative techniques for protection, such as thermal modification and protection by construction, are ga...
R Hasanagic, M Bahmani, M Humar, L Fathi, L Cai


Characterization of cell wall morphology and water-soluble extractives in Japanese larch decayed by white-pocket-rot fungi
2024 - IRG/WP 24-11034
Porodaedalea chrysoloma (Fr.) Fiasson & Niemelä is a basidiomycete that can cause white-rot decay in Japanese larch (Larix kaempferi) heartwood. P. chrysoloma is a white-rot fungus with a unique pattern that causes white-pocket-rot in the xylem of Japanese larch. However, the mechanism by which P. chrysoloma yields the pattern of white-pocket-rot in Japanese larch heartwood remains unclear. Thus,...
Y Mori, H Arai, T Ito, H Hashitani, K Yamashita, Y Ota, M Kiguchi


Enhancing UV resistance and decay resistance of wood by nanoparticle dispersed linseed oil nanoemulsion
2024 - IRG/WP 24-20706
Enhancing increasing demand for eco-friendly and cost-effective wood coatings and preservatives has led to the development of water-borne formulations and use of non-toxic and natural materials such as vegetable oils and waxes. The aim of this study was to improve the UV resistance and decay resistance of wood by nanomaterial dispersed linseed oil emulsions. Highly stable nanoemulsions of linseed ...
R Bansal, R Kumar, K K Pandey


The potential of Wacapou (Vouacapoua americana) extracts to develop new biobased protective solutions for white woods
2024 - IRG/WP 24-20724
The valorisation of Amazonian wood residues into active chemical compounds could be an eco-friendly, cost effective and valuable way to develop wood preservatives formulations in order to enhance the decay and termite resistances of low durable wood species, by impregnation processes. Wacapou (Vouacapoua spp., Fabaceae) is a well-known Guianese wood species for its use in local wood construction ...
E Kieny, K Candelier, L Milhe, Y Estevez, C Sophie, R Lehnebach, J Damay, D Florez, E Hoël, M-F Thevenon, J Bossu


Evaluation of vacuum borate treated spruce or pine CLT in an above ground protected test in southern Mississippi
2024 - IRG/WP 24-41001
Cross laminated timber (CLT) has become a popular wood composite in large building applications that were previously limited to concrete and steel. To extend service and prevent biological attack, chemical protectants are often applied to wood. Cross laminated timber panels are not typically treated, in part due to a lack of data on efficient and effective methods for treating large panels. Ther...
M E Mankowski, A Taylor, G T Kirker


Analysis and performance of spruce alternative species and discarded wood for windows production
2024 - IRG/WP 24-50386
Climate change is having a significant impact on European forestry, particularly on the softwood species used for window frames. This study investigates potential replacement tree species for spruce (Picea abies), the predominant material for window frames. We evaluate Douglas fir (Pseudotsuga menziesii), Scots pine (Pinus sylvestris), thermally modified poplar (Populus nigra) and discarded silver...
B Lesar, J Levanič, M Humar, A Treu


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