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Protocol of intervention against subterrranean termites in urban areas
2018 - RG/WP 18-20640
Subterranean termites are a problem of Mediterranean countries since their climatology favours their development. In Spain, termite attack is very important in cultural heritage and even in new construction, as they can cause serious damage to structural elements (pillars, beams, decks, etc.), carpentry (doors, windows, etc.) and wooden goods (furniture, paintings, libraries, etc.), causing not on...
J Galván, D Lorenzo, C Villagrá, L Robertson, R Viñambres, M T Troya


An evaluation method for less termite attack execution on thermal insulation for fundation walls
2002 - IRG/WP 02-20245
According to the results by the real scale Japanese building tests, the termite installation was observed at very little spaces between foundation and insulation. The termite penetration spaces between foundation and insulation on foundation systems in Japanese wooden houses were checked by the way of streaming speed of colored water. Because of difficulty for its execution, the parts of outside a...
K Suzuki, Y Tanaka


Experimental real building evaluation of termite attack - Effect of the space between the mat foundation and the thermal insulation
2000 - IRG/WP 00-10374
For evaluating the termite resistance of the real house foundation, specially in the case of thermal insulation systems for foundation walls, thermal insulation which can be attacked by termite, must be evaluate. Because of the difficulty of the water penetration of thermal insulation, the water barrier systems can be protected against termite attacks, in our opinions. The observation on the proce...
K Suzuki, K Hagio, Y Tanaka


Report on the questionnaire sent out to IRG Members for the creation of a new Sub-group 4 "evaluation of superficial treatments for preventive action against basidiomycetes"
1992 - IRG/WP 92-2417
On Thuesday May 12th, 1992 a subgroup meeting was held between 16.00-17.00 h. About 50 people attended this meeting. The results of the questionnaire sent out last year to the IRG members, was discussed. The analysis as well as the practical conclussions of the discussions are retained in this document....
A R Valcke


Evaluation of the fire retardant efficacy and leach resistance of an amino resin fire retardant - Preliminary report
1983 - IRG/WP 3260
The Early Fire Hazard Indices of untreated Pinus radiata were determined by testing to Australian Standard 1530, Part 3 - 1976. Differences in the performance of heartwood and sapwood were noted, with heartwood samples giving higher Ignitability, Heat Evolved and Spread of Flame indices. The treatability of Pinus radiata with Pyrogard H was assessed, and backsawn sapwood treated more effectively t...
W D Gardner, P N Alexiou, P Lind, D Butler


A real scale evaluation method and results on termite resistance of housing wall systems and floor framings
1999 - IRG/WP 99-10314
For evaluating the termite resistance of real scale houses especially housing wall systems and floor framings, a experimental building was prepared. After initial feeding of termite, this house was constructed. In this experimental building, several parts which were built by different wall systems and floor framing. The room temperature of these parts were controlled. Water can be provided in the ...
K Suzuki, K Okada, K Hagio, Y Tanaka


Field evaluation of several bait toxicants for subterranean termite control: A preliminary report
1988 - IRG/WP 1376
Since 1983, field studies have been conducted to evaluate the effectiveness of several bait toxicants in reducing subterranean termite populations at the Chipola Experimental Forest in Florida. Tests with fenoxycarb (Ro 13-5223), Ro 16-1295, and Avermectin B1 indicated that fenoxycarb showed the most promise. Large numbers of presoldiers and intercastes have continued to occur in plots treated wit...
S C Jones


Evaluation of decay fungi in Norwegian buildings
2005 - IRG/WP 05-10562
During a period of 2 years and 3 months (1 January 2001 - 20 March 2003) Mycoteam had 3161 consultations in buildings in southern Norway, 1428 revealing damage from decay fungi. One consultation often revealed several occurrences of fungi, and the total number of occurrences of decay fungi was 3434. Thirty-five different species/genera/groups of decay fungi were recorded. During this period brown ...
G Alfredsen, H Solheim, K Mohn Jenssen


Evaluation of exposure conditions for wooden facades and decking
2009 - IRG/WP 09-20408
During their functional life, building components are exposed to moisture and other environment stress conditions in numerous ways. This is a fact that should be taken into account during manufacture, product development, designing and work execution of building components. For wood material, moisture stress and biological factors like mould and decay fungi are often critical in cladding and decki...
H Viitanen, T Toratti, R Peuhkuri, T Ojanen, L Makkonen


Evaluation of different wood by-products for sustainable building biomaterial production using fungal mycelium
2022 - IRG/WP 22-50373
As human population increases, the demand for new innovative, sustainable, and low impact construction materials also grows. Mycelium-based composites have shown to be an excellent alternative for traditional products ranging from low-density objects to semi-structural applications. They also present the advantage of using the waste streams from other productive processes as feedstock, enabling th...
C Charpentier-Alfaro, M Poggerini, S Palanti, G Della Rocca, D Pellegrini, A Crisci


Annual Report 1998
1999 - IRG/WP 99-60115
IRG Secretariat


Microbiological degradation of wooden piles in building foundations
1988 - IRG/WP 1370
White rot, soft rot and bacterial attack have been detected in softwood piles under buildings. In some cases bacteria were found to be the main degradation organisms in the studied piles. The water content of degraded piles was very high. The compression strength was quite low also in the piles deteriorated by bacteria. The density of wood was very variable, and the degree of degradation could not...
L Paajanen, H Viitanen


Report of Section 5 1995
1995 - IRG/WP 95-50061
IRG Secretariat


Progress report on co-operative research project on L-joint testing
1983 - IRG/WP 2192
A F Bravery, D J Dickinson, M Fougerousse


Annual report 1999
2000 - IRG/WP 00-60123
IRG Secretariat


Report of Section 3 2000
2000 - IRG/WP 00-30252
IRG Secretariat


Report of Section 1
1994 - IRG/WP 94-10090
IRG Secretariat


Nondestructive Evaluation of Oriented Strand Board Exposed to Decay Fungi
2002 - IRG/WP 02-20243
Stress wave nondestructive evaluation (NDE) technologies are being used in our laboratory to evaluate the performance properties of engineered wood. These techniques have proven useful in the inspection of timber structures to locate internal voids and decayed or deteriorated areas in large timbers. But no information exists concerning NDE and important properties of wood composites exposed to dec...
B Illman, V W Yang, R J Ross, W J Nelson


IRG/COIPM INTERNATIONAL MARINE TEST - to determine the effect of timber substrate on the effectiveness of water-borne salt preservatives in sea-water. Progress Report 2: Report of treatment and installation in Australia
1978 - IRG/WP 440
The purpose of this test and the procedures to be followed have been fully set out in documents distributed by the International Research Group on Wood Preservation and numbered IRG/WP/414 and IRG/WP/420. The prescriptions set out in these two documents have been closely followed....
J Beesley


Field test evaluation of preservatives and treatment methods for fence posts
1985 - IRG/WP 3347
This work presents the field test results after fifteen years exposure of Eucalyptus saligna fence posts treated with six different preservatives and five treatment methods. All the combinations with oil-borne preservatives presented the best results and among the waterborne preservatives, the fence posts treated by immersion method were with the lowest performance in the field test....
G A C Lopez, E S Lepage


Report of Section 1 1999
1999 - IRG/WP 99-10328
IRG Secretariat


Report of Section 5
1998 - IRG/WP 98-50123
IRG Secretariat


IRG Foundation Fund Report
1985 - IRG/WP 5215
B Henningsson, H Friis-Hansen


IRG - wood preservation - annual report 1999; wood preservation in Slovak Republic
2000 - IRG/WP 00-40192
This report gives basic information about wood preservation in Slovak Republic, related to the wood preservation research and education, to the most important wood-destroying organisms, to the wood preserving industry, and also to the problems of standards, market and environment....
L Reinprecht


Improved techniques designed for evaluation of fungicides in soil for control of dry rot fungus Serpula lacrymans
1985 - IRG/WP 2238
Improved techniques provide a laboratory method for the evaluation of chemicals in soil for control of dry rot fungus Serpula lacrymans. Results with their application to three chemicals were reported. These techniques are useful to eliminate chemicals lacking the necessary toxicity and weatherbility for dry rot control when the chemicals have been applied to the soil....
M Takahashi, K Nishimoto


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