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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
Above-Ground Termite Resistance of Naturally Durable Species in Ontario and Mississippi
2022 - IRG/WP 22-30767
A collaborative above-ground protected termite field test was initiated by FPInnovations and the USDA Forest Service at sites in Ontario and Mississippi. The aims of the experiment were to compare the rate of attack in protected, above-ground exposures by the subterranean termite species, Reticulitermes flavipes, between northern (Ontario) and southern (Mississippi) test sites and to generate perf...
R Stirling, M Mankowski
Susceptibility of selected Australian commercial timbers to West Indian drywood termite Cryptotermes brevis
2023 - IRG/WP 23-11003
West Indian drywood termite (Cryptotermes brevis) is a globally distributed timber pest and is invasive in Queensland, Australia, causing widespread damage to structures and large economic impacts in control and repair costs. Despite this, the knowledge of which specific timbers are susceptible to attack is limited and requires investigation. Two six-week feeding trials were performed, exposing se...
W Haigh, R A Hayes, B Hassan
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
Contribution of naturally durable wood use to Circular Economy - Understanding the classification system of natural durability and its variation within wood species
2025 - IRG/WP 25-50411
Total wood demand is shown by FAO to increase 49 percent between 2020 and 2050, regardless of deteriorating conditions such as deforestation and degradation due to fire and biological damages. Demand for wood as a building material is also projected by UNEP to increase significantly to 300 Gt in 2040. To address this situation, extension of the service life and re-use of wood are expected to make ...
K Yamamoto, T Osawa, R Noda