Your search resulted in 1151 documents. Displaying 25 entries per page.
Virtual reality of wood protection
2024 - IRG/WP 24-20727
…VR as a learning tool for students taking a course in wood protection. Students taking this course used a fully immersive VR device to explore and interact with realistic computer-rendered X-ray micro-computed tomography graphics of the micro-structure of the following timbers: (a) The silica-containing, marine-borer…
D Feng, Y Liu, M Turner, A Limaye, P D Evans
Efficacy of a wide-spectrum plant bio-based anti-termite product - Laboratory trials
2023 - IRG/WP 23-11024
…materials from termite attack, that will fulfill both biocide regulations and market requirements.
The performances of a newly developed plant bio-based product (containing polyphenols) have been evaluated through: (1) laboratory screening tests on cellulose paper against Reticulitermes flavipes, (2)…
M-F Thévenon, F Chopinet, J Vuillemin, A Robert, S Lafay, D Messaoudi
Comparison of culturable fungi found on two types of modified wood cladding
2023 - IRG/WP 23-11025
…are appearing on more public buildings. Because these are biocide-free products, they can support the growth of non-wood degrading fungi on their surfaces, many of which produce dark pigments and deface the cladding. Even growth of dark pigmented fungi on modified woods yields an even grey-black color, giving the…
G Presley, J Cappellazzi, B Held, R Blanchette
Improvement of durability of Scots pine against termites by impregnation with citric acid and glycerol followed by in situ polyesterification
2023 - IRG/WP 23-30777
…study confirms the possibilities to develop completely free biocide preservative treatments using chemical modification.
M Mubarok, J Damay, E Masson, E Fredon, Y S Hadi, I W Darmawan, P Gerardin
Steam Pre-conditioning Treatment Prior to Acetylation: Impact on Dimensional Stability, Moisture Response Behaviour, and White-Rot Fungal Resistance of Hevea brasiliensis and Mitragyna ciliata Wood
2022 - IRG/WP 22-40930
…and Mitragyna ciliata wood species were assessed. Defect-free specimens of both species from the top, middle, and base positions were selected, prepared according to ASTM D143-09 & ASTM D-2017 standards and acetylated following a catalyst-free method. The primary source of variation in this study is the…
E Uchechukwu Opara, J Mayowa Owoyemi, J Adeola Fuwape
CIOL®-protection of wood – an update
2022 - IRG/WP 22-40932
…these wood species for outside applications need therefore protection to increase their service life. This protection should be free of biocides, come from renewable resource, have great performance and hold a low consumer price. A mixture of water, sorbitol and citric acid has the potential to do just this by…
A Treu, E Larnøy, J Biørnstad
Studies on the material resistance and moisture dynamics of Douglas fir and Sitka spruce from Slovenia
2021 - IRG/WP 21-20677
…Wood degradation can be prevented by construction details, biocide protection of wood, wood modification, or selection of naturally durable wood species. Unfortunately, the majority of timber species in Europe do not have naturally durable wood. Imported tree species represent a new pool from which we can draw wood…
M Humar, B Lesar, D Krzisnik, E Kerzic, R Brus
Wood protection with cement – Part 1: Coating matters and durability of cement coated wood
2020 - IRG/WP 20-40911
…life and maintenance intervals require long-lasting wood protection systems capable of inhibiting fungal and bacterial decay. Cement, one of the constituents of concrete was identified as a potential coating material for wood used in soil stabilisation works. Spruce and beech wood rest rolls from commercial veneer…
S Hirschmüller, B Marais, C Brischke, A Krey, J Bösing
Chemical Analysis of Southern Pine Pole Stubs Sixty Months Following Treatment with a Methylisothiocyanate-Based Solid Fumigant Stick
2019 - IRG/WP 19-30740
…fumigant is chemically known as dazomet. Dazomet is a free-flowing powder or granule that decomposes in the presence of moisture within a utility pole to release methylisothiocyanate. As a means to accelerate the decomposition to methylisothiocyanate, a copper solution can be applied to dazomet during the time…
D J Herdman, T Pope, R R Browning
Preservative Treatment of CLT: An Example at Shimojishima Airport
2019 - IRG/WP 19-30748
…but was chosen to help drive diffusion over time, to give protection against subterranean termites, to enhance spread of flame performance, and to supply some reservoir to compensate for dilution due to diffusion into the wood. All testing and treatment results went well, and the construction is now complete.
The…
J Lloyd, N Yamashita, A Taylor
Effects of wood protecting biofinish and linseed oil on fire behaviour and leachability of the fire retardant
2018 - IRG/WP 18-30728
…provided with an extra treatment consisting of a halogen-free phosphate-based fire retardant to improve the fire resistance. A concerning aspect of the used fire retardant is the ability of leaching. Therefore, the leachability of the fire retardant and the effects of the biofinish on the leachability of the added…
S Rensink, E J van Niewenhuijzen, M F Sailer
Resistance of modified wood to termite attack assessed in laboratory and field testing: A review of internal research
2018 - IRG/WP 18-40824
…monocultures, TMC) and confirmed the ability of biocide-free wood modification to significantly improve biological durability. Since wood modification technologies were developed and commercialized in countries of the northern hemisphere where termite infestation poses little to no risk, much less…
L Emmerich, P Gascón-Garrido, H Militz
Overview of the treated wood quality control program in the United States with the recent challenges and advances
2017 - IRG/WP 17-20616
…there have been significant and rapid changes in wood protection technologies for residential applications which have moved away from long established heavy duty metal oxide based products such as chromated copper arsenate (CCA). The successor generation of wood protection systems usually contain copper as the…
L Jin
Activity of Two Strobilurin Fungicides Against Three Species of Decay Fungi in Agar Plate Tests
2017 - IRG/WP 17-30704
…fungi in order to assess their potential to act as a co-biocide for copper-based wood protection. Two strobilurin fungicides, Heritage (50% azoxystrobin active ingredient) and Insignia (20% pyraclostrobin active ingredients), and copper sulfate pentahydrate were tested against one white rot fungus (Trametes…
J D Tang, T Ciaramitaro, M Tomaso-Peterson, S V Diehl
Copolymers of tannin extracts as wood protection agents
2017 - IRG/WP 17-30709
…fixed in wood. These formulations added of low amount of biocides have demonstrated to be: i) hardening- (time & temperature) dependent in terms of water resistance and ii) requiring small amount of biocide (Boron and/or copper) for resisting the attack of white-rot Coriolus versicolor fungi. Interesting…
G Tondi, L Sommerauer, A Oberle, A Petutschnigg, M-F Thevenon
The durability of natural and thermomodified black poplar wood and Scots pine sapwood after two years of external exposition
2016 - IRG/WP 16-40730
…wood of these species, particularly in construction. The biocides are often used for wood protection in order to increase its the natural durability, which, however, under direct influence of weathering, a threat to the environment may cause, among others as a result of leaching. One of interesting alternative for…
A Fojutowski, A Kropacz, A Noskowiak
Tall oil – performance after a decade of field exposure
2015 - IRG/WP 15-30672
…general conclusion has been that tall oil can provide some protection but that they cannot compete with the copper and organic biocide based preservatives without adding additional active components. The aim of this study was to compare the performance of different tall oils in three different above ground field…
G Alfredsen, P-O Flæte
The resistance of composite boards protected with azole and inorganic nanoparticles to basidiomycetes and moulds
2015 - IRG/WP 15-40688
…of 1,2,4-triazole, benzimidazole, and thiazole. The biocides have been added to the silicone adhesive prior to pressing the boards, in an amount of 0.6% by weight. Mycological examination was carried out against white-rot fungi Trametes versicolor and Pleurotus ostreatus and brown-rot fungus Coniophora…
J Zabielska-Matejuk, I Frąckowiak, A Stangierska
Survival of Bursaphelenchus xylophilus exposed to different active ingredients of wood protectors
2013 - IRG/WP 13-10802
…through commercial trade. Timber is a material with a free market in Europe, and although it is treated with specific products against wood decay organisms, the industrial sector is concerned whether the adopted thermal treatment measures used to treat wood (ISPM 15), is enough and if the wood treatments are…
S C Arcos, M T Troya, L Robertson, F Llinares, M Conde, A Navas
Removal of nano- and micronized-copper from treated wood by chelating agents
2013 - IRG/WP 13-50294
…and nano-copper (Cu)-based and arsenic and chromium-free systems have received much attention for wood protection in recent years. Because they have different fixation, and micro-distribution properties, such copper systems may be more or less subject to release using known remediation methods than soluble…
S N Kartal, E Terzi, B Woodward, C A Clausen, S T Lebow
Durability of alternatives to CCA-treated wood - Results from field tests after 11 years exposure
2013 - IRG/WP 13-30633
…A low level of linseed-oil treatment gave almost no protection. Linseed oil-treated wood
with a high retention of linseed oil performed well, but because of the poor appearance
the use in practice seems limited.
• Wood treated to Use Class 3 according to EN 335-1 is not recommended for use in
ground and…
P Larsson Brelid, M-L Edlund
Inhibition of Basidiospore Germination by Copper from MCQ, ACQ and CCA Leachates
2012 - IRG/WP 12-10778
…as small particles rather than ions, it might not provide protection against basidiospore germination. The present work examined checks on MCQ-treated boards exposed above-ground in Vancouver for one year using Environmental Scanning Electron Microscopy (ESEM) with energy dispersive X-ray spectroscopic mapping. The…
R Stirling, J Drummond, P I Morris
Survival of Bursaphelenchus xylophilus exposed to permethrins
2012 - IRG/WP 12-30585
…through commercial trade. Timber is a material with a free market in Europe, and although it is treated with specific products against wood decay organisms, the industrial sector is concerned whether the adopted thermal treatment measures used to treat wood (ISPM 15), is enough and if the wood treatments are…
S C Arcos, M T Troya, L Robertson, F Llinares, M Conde, A Navas
The case for using borates in termite control in tropical Australia
2011 - IRG/WP 11-30573
…Tropic of Capricorn, as either single or multi-component biocide systems. We have searched the numerous papers for “boron and termites” in the IRG data base since 1969 to the present, and other scientific evidence from a consistent science worldview; our own results of boron against termites in our…
B M Ahmed (Shiday), J R J French
Effectiveness of Water Based Bentonite-Borate Slurry for In-situ Remedial Protection of Historic Wooden Piles: The Eurobor Protocol, Part 2
2011 - IRG/WP 11-30574
The study of the biocide product Eurobor®, water mixture of boric acid, borax and sodium bentonite, aimed to verify previous findings regarding borates penetration from a clay-water mixture of foundation timber. The product was applied on samples from 100 year old timber…
M. Theorin, K. Fimmerstad, K-M. Bandh