IRG Documents Database and Compendium


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Reworded resolution
1976 - IRG/WP 145
New evidence has demonstrated that certain timber species are unexpectedly difficult to protect against biological degradation by the use of known preservation systems. Several of these timber species are expected to become of wide commercial use in the future. The issues raised are of such fundamental importance and require so intensive basic research that official bodies should be encouraged to ...
B Henningsson


Agenda:Workshop CCA failures in horticultural soils
1983 - IRG/WP 3241
J A Butcher, H Greaves


An illustrated comment on the soft rot problem in Australia and Papua New Guinea
1977 - IRG/WP 296
A brief survey of soft rot is presented, with particular reference to attack of preservative treated hardwood transmission poles in Australia. Possible explanations of why the preservatives are failing to protect the poles are discussed, together with current efforts to produce control measures. Examples of soft rot in variously treated eucalypt or pine specimens are shown to illustrate the morpho...
H Greaves


Diagnosis of failures in wood beams from historical house in Banská Štiavnica – Relations between ultrasonic measurements and bending properties
2010 - IRG/WP 10-20437
Various degrees of rot and other damages in ceiling beams with dimensions of 6500-8800 x 160-200 x 240-310 mm (length x height x width) situated in one historical bourgeois house in the UNESCO town Banská Štiavnica, Slovakia were determined visually and by the PUNDIT-plus ultrasonic device. Subsequently, for seventeen of the most bio-damaged fir (Abies alba Mill.) beams chosen for exchange were ...
L Reinprecht, M Pánek


Unexpected natural decay resistance strategies of durable tropical woods Bocoa prouacencis, Vouacapoua americana, Inga alba and relationship with specific gravity and wood extractives
2014 - IRG/WP 14-10832
The study of decay resistance in wood is of interest for wood end-users but also for the global carbon balance since wood biodegradation is a key driver of forest ecosystem functioning through its impacts on carbon and nutrient cycling. We studied the specific gravity and wood extractive contents in order to understand decay resistance against soil microflora after 90 days exposure of sapwood and ...
N Amusant, M Migg, B Thibaut, J Beauchene


Premature adhesion failure of exterior wood coatings – The influence of substrate temperature at coating application and moisture accumulation during storage
2022 - IRG/WP 22-40937
The present study aimed at extending the knowledge about premature coating failures of industrially finished wood cladding. Two potential factors were studied: the influence of substrate temperature at coating application and moisture accumulation during storage on the adhesion of waterborne coating systems. In the first experiment, 4 batches of wood specimens were submitted to 4 different tempera...
U Hundhausen