IRG Documents Database and Compendium


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Efficacy of commercial wood preservatives against Bursaphelenchus xylophilus, a quarantine organism in Europe
2014 - IRG/WP 14-30638
Bursaphelenchus xylophilus (Steiner and Buhrer 1934) Nickle, 1970, pine wilt nematode (PWN), is a quarantine organism with a high potential to damage Conifer forests in Europe. This has driven the European Union to protect forest stands from the propagation and dispersion of this pathogen. Since the nematode was detected in Europe, eradication measures were taken. However, these measures were unsu...
C S Arcos, A Navas, L Robertson, M T Troya, M Conde, F Llinares


A guideline for sorting easy to impregnate Scots pine sapwood based on three treatability studies from Northern Europe
2014 - IRG/WP 14-40669
Scots pine sapwood is generally considered an easy to impregnate wood species, though it reportedly faces challenges towards a homogeneous impregnation and large variations in treatability are reported for the material. This study comprises the results of three treatability tests that were performed on Scots pine (Pinus sylvestris) sapwood. The material impregnated was originated from a large ...
K Zimmer, E Larnøy, A Treu


Contamination of recycled wood from selected recycling companies in Europe
2016 - IRG/WP 16-50322
Recycled wood is becoming more and more important material source for production of new materials and chemicals. For good quality of end products predominately clean recycled wood should be used. In present research, we have focus on concentrations of non-wooden materials in recycled wood and presence of inorganic pollutants: chlorine (Cl), chromium (Cr), copper (Cu), zinc (Zn), lead (Pb), iron (F...
B Lesar, M Humar, G Hora


Ensuring Quality of Treated Wood – Regulations, Certifications and Associative Background in the Field of Wood Protection in Europe
2017 - IRG/WP 17-20626
Beside legal requirements, buyers and end-users of wood preservatives and/or of treated wood and wood-based materials may require additional warranties regarding the quality and the performance of the products available on the market. These greatly enhance the confidence of end-users and the chance for a product of being marketed with a quality label. Additionally, quality control systems and trai...
M Kutnik, M Klamer, E Melcher


The anatomical determination of wood samples found in the “Fürstengräber” from Lübsow (Poland)
2018 - IRG/WP 18-10930
The paper presents the results of anatomical research identifying three wooden fragments from the “Princes Graves” (“Fürstengräber”) in Lübsow, Poland. The research demonstrates that the wooden fragments are typical of wood harvested from European forests. The physicals conclusions are important for the research of Jan Schuster, from the University of Lodz, Institute of Archeology, Pol...
J Schuster, W Unger, T L Woods


Performance of untreated timbers in above ground decking tests: Preliminary results from an international collaborative trial
2019 - IRG/WP 19-10940
The ability to accurately predict wood decay risks under varying environmental conditions has long been of interest to timber users. Accurate predictions are difficult owing to the myriad of variables associated with the decay process including wood species, wood inhabiting organisms, timber building element design and environmental conditions. Despite these difficulties, decay predictions have be...
L P Francis, J Norton, E Melcher, A H H Wong, J Kok Lai, M Klamer, M J Konkler, J J. Morrell


COPPER NAPHTHENATE: A Product for All Seasons: Protecting the Americas’ Infrastructure for Over 100 Years and Potential for Expanded Usage in Europe
2019 - IRG/WP 19-30738
This paper is a brief review of the history and use of the wood preservative Copper Naphthenate, with a focus on use patterns within the USA and opportunities for expansion in Europe and Canada. This paper reviews how copper naphthenate has performed to preserve and protect cellulosic and wooden items essential to critical infrastructure, and why it is the ideal choice for use in the replacement o...
M H Freeman, J A Brient, M Manning


Update on the Distribution of Termites and other Wood-boring Insects in Europe
2020 - IRG/WP 20-10960
In Europe, most of the timber used in construction is made from softwood species that are poorly or not durable against wood-boring organisms (beetles, termites, decay fungi). Timber with a moisture content of less than 20% can be attacked and degraded by different species of insect whose larvae consume wood and significantly reduce its mechanical strength. The risk of attack by wood-boring insect...
M Kutnik, I Paulmer, D Ansard, M Montibus, C Lucas


An Update on the Status of Industrial Heavy-Duty Preservatives in Europe
2022 - IRG/WP 22-30762
Creosote has been used for over 150 years for preservation of heavy duty industrial timbers such as railway sleepers, utility poles, and agricultural posts. The regulatory regimes in place today across Europe (eg EU & GB Biocidal Products Regulation (BPR)) require a detailed assessment of the environmental and human health properties of wood preservatives at both the active substance and product l...
S Uphill, H Griffiths, M Giannuzzi, A Hughes


Recent experiences in the protection of wooden cultural heritage in Europe with a novel wood preservative with vegetal extracts–permethrin-azole mixture
2023 - IRG/WP 23-11027
The paper presents recent treatment experiences in Europe for the preservation of cultural heritage with the bio-based gel-emulsion solution XILIX® containing SYNERKEM® technology, whose higher diffusion capacity has been proven (up to 8 mm pyrethroid penetration into the wood). This gel-emulsion is already authorized and marketed as preventive and remedial wood preservative in Europe for more t...
D Messaoudi, A Robert, A H H Wong


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