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Long-term Performance of Treated Timbers in a Sub-tropical Marine Exposure
2023 - IRG/WP 23-11015
The long-term performance of preservative-treated and modified wood in marine exposures was assessed in Brisbane, Queensland, Australia. This report describes the final destructive assessment of the surviving Australian panels after 11 years of exposure. This site presents the potential for attack by shipworms (likely Bankia spp.), pholads (Martesia striata), Limnoria and Sphaeroma terebrans. Mos...
E L Galore, J Norton, A Zahora


Simulations of microclimates for wood-decaying fungi in the built environment using environmental analysis
2023 - IRG/WP 23-20703
Simulations of fungal decay risk were run on two similar building geometries exposed to typical annual climate conditions of two different geographical locations, Brunswick (Germany) and Cairns (Australia). The simulations were conducted to capture the effect of wind-driven rain and solar irradiation exposure over nodes of the common building geometry. The moisture content and temperature variatio...
P B van Niekerk, J Niklewski, S H Hosseini, B N Marais, I Frimannslund, T Kringlebotn Thiis, C Brischke


A novel wood preservative with vegetal extracts-cypermethrin mixture protects H2-weathered envelope-treated tropical hardwood kempas against Coptotermes termites
2023 - IRG/WP 23-30794
In accordance with sustainability development initiatives by commercial wood protection to conceive of cost-effective, environmentally acceptable wood treatment solutions replacing traditional biocides, this paper reports an aboveground subterranean termite test of termite-susceptible heartwood blocks of the tropical (Malaysian) structural hardwood kempas (Koompassia malaccensis) envelope-treated ...
D Messaoudi, A H H Wong


Environmental Benefits of Wood Preservation
2023 - IRG/WP 23-50377
Over the past decade or two, many people have become significantly more aware and concerned about the global environment and the health of our planet. Building with wood products from sustainably managed forests carries significant environmental benefits. The ability of a growing tree to absorb carbon dioxide (CO2) and sequester the carbon is beneficial in the role of combating rising CO2 levels...
A Siraa


Manipulation of the hierarchical wood structure for extended carbon storage in the built environment
2023 - IRG/WP 23-50381
The sustainable processing of trees into construction materials can act as carbon storage. Carbon storage in durable sustainable wooden construction material has cumulative effects and net gain in storage in the built environment that can be offset by net losses in forest carbon by cutting the tree. Carbon storage for an extended period plays an important role in the mitigation of CO2 emissions an...
T Singh, A Arpanaei, D Elustondo, Q Fu


Laboratory evaluation of PA1b, an insecticidal protein extracted from pea seeds (Pisum sativum), as bait active ingredient against the subterranean termite Coptotermes gestroi (Blattodea: Rhinotermitidae) in tropical zones
2024 - IRG/WP 24-11038
Coptotermes gestroi (Wassman 1896) is one of the worst pests in tropic areas, economically. Two types of curative methods are used since decades to eliminate colonies that attack constructions: injection of biocidal treatment solutions on wood, walls and soil, and population control using baits. In application of the current regulations, the first technique can no longer be used in Europe, to lim...
J Vuillemin, D Messaoudi, P da Silva


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