IRG Documents Database and Compendium


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Durability Testing of a Cattail (Typha spp.) based Insulation Material against Termite Attack
2017 - IRG/WP 17-10879
The use of insulating materials is particularly important in the construction industries, especially with regard to the use of wood and naturally occurring substances. The use and durability of natural materials as insulating materials is of keen interest to many construction experts, and continues to be a topic of intense investigation. It is generally agreed that the use of natural substances ...
M Dass, W Unger, T L Woods


Evaluating the role of Actinobacteria in the gut of wood-feeding termites (Reticulitermes spp.)
2017 - IRG/WP 17-10880
Nitrogen has been shown to be a limiting nutrient across a range of xylophagous insects. These insects often rely on symbiotic microorganisms in the gut for nitrogen acquisition, via fixation of atmospheric nitrogen or break down of other available nitrogenous substances. In phylogenetically lower, wood-feeding termites, the role of nitrogen fixing bacteria has been well studied. However, there is...
Evaluating the role of Actinobacteria in the gut of wood-feeding termites (Reticulitermes spp.)


Hibernation or spring awakening? – The research on wood durability and protection in marine environment
2018 - IRG/WP 18-10929
Wooden structures in marine applications are exposed to severe degradation conditions caused by mechanical loads and wood degrading organisms. The present paper presents the use of wood in marine environments in Europe from a wood protection perspective and gives an overview over relevant research topics. It compiles the most relevant literature with an emphasis on new wood protection methods and ...
A Treu, K Zimmer, C Brischke, E Larnøy, L R Gobakken, F Aloui, S M Cragg, P-O Flæte, M Humar, M Westin


Green Coloration of Wood in the Forest and Laboratory by Chlorociboria spp. – Applications for Furniture
2019 - IRG/WP 19-10947
Discoloration of wood caused by living saprophytic fungi is commonly found on lumber. These fungi do not destroy the integrity of wood, but the discolorations they cause are often considered undesirable. In Tunbrigde Wells (Great Britain), seldomly found green colored wood, usually considered commercially irrelevant, was valued for use in restoration of wood inlay artwork. The aim of this researc...
S Krause, W Unger, P Heydeck


Resistance against marine borers: About the revision of EN 275 and the attempt for a new laboratory standard for Limnoria
2020 - IRG/WP 20-20669
Wood protection technology in the marine environment has changed over the last decades and will continue to do so. New active ingredients, newer formulations, and novel wood-based materials including physically- and chemically-modified wood, together with increasing concerns over environmental impacts of wood preservatives, urgently demand a major revision of EN 275 “Wood preservatives – Deter...
S Palanti, S Cragg, R Plarre


Field tests of different tropical wood species in sea water
2022 - IRG/WP 22-30773
A number of tropical timbers have been tested according to EN 275 at Kristineberg Marine Research Station in Sweden since 1999. Most of these tests have started during the last 5-8 years. Wood species included have been Lophira alata (Azobé/Ekki), Minquartia guianensis (Manwood/Acaria), Chlorocardium rodiei (Greenheart), Cyclodiscus gabonensis (Okan/Denya), Shorea spp. (Bankirai), Dicorynia guia...
M Westin, P Larsson Brelid


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