IRG Documents Database and Compendium



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Your search resulted in 1413 documents. Displaying 25 entries per page.


Securing Flame Retardancy in Wood: Durability After Artificial and Natural Weathering Test
2025 - IRG/WP 25-20738
…was comprehensively evaluated by applying both artificial (ASTM D2898) and natural (EN 927-3) weathering. While flame retardants applied alone leached almost completely, the integrated approach partly retained the chemicals within the wood, showcasing exceptional resistance to leaching. Cone calorimetry tests further…
M Wu, L Martin, H Militz


Evaluation of the physical properties of heat-treated native Peruvian woods for their application as coverings in buildings located in in arid, semi-warm and humid climates
2022 - IRG/WP 22-40943
…of the southern Peruvian coast. The international standard ASTM D4442 (2016) and ISO 15148 (2002) were used as methodology to know the Moisture Content and Absorption Coefficient in both species, both untreated and thermally treated. The results showed that the performance of both woods against humidity was…
K Ayala Castro, A Loayza Argüelles, V J Pilco Mamani


Development of a rapid screening method to determine the susceptibility to mould growth of novel construction and insulation products
2015 - IRG/WP 15-20562
…conditions. The test methods are a modified version of ASTM 4445-91 and ISO 846. The moulds used are: Trichoderma virens, Aspergillus versicolo, Paecilomyces variotii, Aureobasidium pullulans, Cladiosporum sphaerospermum, Alternaria alternata,Chaetomium globosum and Penicillium rubens. The data obtained is used…
B K Stefanowski, S F Curling, E Mansour, G A Ormondroyd


The effect of UV irradiation on some technological properties of different polyurethane varnishes coated plywood panels from veneers dried at different temperatures
2014 - IRG/WP 14-40661
…bonding strength, color measurement and surface roughness tests were conducted on plywood panels according to ASTM G53, EN 314, ISO 7724-2 and DIN 4768 standards, respectively. Polyurethane varnish (ingredients: 37% polyurethane, 63% water) coated plywood panels manufactured from Maritime pine (Pinus pinaster L.)…
Ö Özgenç, C Demirkir, Ü C Yildiz, G Çolakoğlu


Effect of Nano-Wollastonite on Water Absorption in Particleboard
2014 - IRG/WP 14-40662
…was kept constant at 0.68 g/cm3 for all treatments. Tests were carried out in accordance with ASTM D-1037 specifications. The size range of wollastonite nanofibers was 30–110 nm. The obtained results showed that NW contributed in making bonds between the wood-chips and had improving effects on physical…
S Karimi, H Reza Taghiyari, A Karimi, P M Tahir, J Abdul Halip


The Effects of Industrial-Scale Heat Treatment and Impregnation with Boron Compounds on Water Uptake and Tangential Swelling of Some Wood Species
2012 - IRG/WP 12-40599
…with 4 % boric acid and 4 % borax according to the ASTM D-1413 standard method. After the impregnation, heat treatment was applied on the impregnated test samples in an industrial plant, at four different temperatures and two different durations under steam atmosphere. Soft wood and hard wood samples were…
A Can, S Yildiz, Ü C Yildiz


Control de calidad eficiente de proteccion superficial sobre madera
2008 - IRG/WP 08-20397
…due to weathering or environmental factors alone. Aging tests are utilized to test coating products. Quality control techniques are performed on exposed products according to standardized methods (NCh, ASTM, ISO, DIN, EN, FTMS, NTF, NBINT, or equivalents). Certified labs perform these tests and compare their…
A M Fernández S


Multicomponent biocide systems protect wood from decay fungi, mold fungi, and termites for interior applications
2004 - IRG/WP 04-30333
…Multicomponent systems were tested in AWPA soil block tests for inhibition of brown-rot and white-rot fungi, and ASTM standard tests for inhibition of mold fungi and termites. Multicomponent biocide systems combining a borate-base supplemented with voriconazole or thiabendazole, and either thujaplicin, or…
C A Clausen,V W Yang


The effect of oil-borne preservative treatments on the shear strength of FRP/wood composite adhesive bonds
2003 - IRG/WP 03-40265
…and the percentage of wood failure experienced in shear (ASTM 1998). When tested in a wet condition (following a vacuum/pressure soak), creosote-treatment adversely affected the wood failure values associated with specimens fabricated with a pultruded FRP composite sheet (E-glass fiber, bonded with urethane).…
B Herzog, B Goodell, R Lopez-Anido


Nondestructive Evaluation of Oriented Strand Board Exposed to Decay Fungi
2002 - IRG/WP 02-20243
…time (pulse echo test method), static bending test (ASTM D3043-95), and decay (expressed as percent weight). Stress wave measurements correlated with strength loss and with increasing rate of fungal decay. Stress wave NDE has great potential as a method for inspection of wood composite load-bearing…
B Illman, V W Yang, R J Ross, W J Nelson


An experimental method to simulate incipient decay of wood by basidiomycete fungi
2000 - IRG/WP 00-20200
…decay than weight loss. However, common standard decay tests (e.g. EN 113 or ASTM D2017) use weight loss as the measure of decay. A method was developed that allowed progressive removal of samples so that all stages of colonisation and decay could be monitored by strength testing, weight loss determination and…
S F Curling, J E Winandy, C A Clausen


Development of a boron/polymer based new wood preservative
2025 - IRG/WP 25-20752
…designed for boron removal from water. Laboratory tests have demonstrated that this new preservative is as effective as CCA and Cu-Azole in E-10 soil block tests. Ongoing aging tests in Hilo, Hawaii, USA, aim to evaluate the preservative's effectiveness under real-world conditions.
O Arroyo Fernandez, S Adab, L Gastonguay


Structural health assessment of wood - A comparison of methods for determining the spatial spread of fungal infestation in beams and rafters
2025 - IRG/WP 25-11051
…measurements and High-Energy Multiple Impact (HEMI) – tests. None of these methods indicated a possible loss of structural integrity of the wood that was not already macroscopically visible on the sanded cross-sectional surfaces of the components. To overcome the drawback of real building components which…
C Brischke, N Sommerfeld, E Flohr, A K Mayer, S Bollmus


Multifactorial analysis of the reasons behind wood natural durability
2025 - IRG/WP 25-11065
…wood wettability by water and wood impregnability tests with water allowing to calculate relative humidity of wood under different condition and its swelling coefficient. Chemical composition of wood was evaluated on extract free sawdust using classical method for determination of cellulose, lignin,…
L-F E Nkogo, M S M Mouendou, S Dumarçay, P E Engonga, F Zannini, E Gelhaye, P Gérardin


Durability to wood decay fungi and subterranean termites of Quercus pyrenaica Wild
2025 - IRG/WP 25-11066
…the basic guidelines, as well as the necessary tests to determine this value, which is essential to know the degree of protection needed for the tested wood to extend its service life. This standard applies to commercial wood, both native and imported, and helps to improve and obtain better construction…
S Santos, M T Troya, L Robertson, S Gutierrez, G Caballe, J L Villanueva


Improvement and practical application of dry-type pressure treatment method
2025 - IRG/WP 25-20734
…response to this, the authors conducted adhesion strength tests, dimensional change measurements between before and after dry-treatment, and durability tests assuming the foundation environment of conventional construction methods to evaluate dry-treating engineered wood. As a result, it was found that the dry…
D Tezuka, C Igarashi


Potential co-valorization of pyrolysis tars from five wood species form Tunisia as wood preservatives bases: Chemical compositions, antifungal and anti-termite activities
2025 - IRG/WP 25-20739
…complete mortality of exposed termites in screening tests using impregnated filter papers. These findings suggest that pyrolysis tars obtained from the carbonisation of Tunisian wood species could serve as promising natural preservatives for protecting wood against fungal decay and termite attacks.
M T Elaieb, J Valette, E Kiény, L Pignolet, S Ghariani, K Candelier


CIOL Wood - Scientific Innovations in Wood Modification for Enhanced Performance and Usage
2025 - IRG/WP 25-20743
…for industrial applications. The results of various tests, including fire resistance, mechanical strength, and marine testing, are discussed, along with the potential of CIOL® treated wood for use in sustainable applications such as construction, outdoor furniture, bicycle frames, and marine structures. The…
E Larnøy, A Treu, M Diraison, M Smith, A Audouin, P T Lewandowski, J Biørnstad


Enhancing the Effectiveness of Penflufen by using a Plant Booster
2025 - IRG/WP 25-20759
…encouraging test results require to be confirmed by field tests.
D Messaoudi, A Robert, P Meckler, T Jaetsch


The non-energy utilization of low-quality wood from the invasive species Prunus serotina
2025 - IRG/WP 25-30814
…fungal growth rate. Thermal conductivity and specific heat tests highlighted its potential for thermal insulation panels, offering a sustainable solution in a circular economy context.
W Perdoch, P Kołwzan


Decay resistance of thermally modified Eucalyptus grandis in closed and open systems
2025 - IRG/WP 25-30815
…was separated for comparison. We carried out laboratory tests of i) decay resistance against Trametes versicolor (white rot) and Coniophora puteana (brown rot); ii) hygroscopicity in a climate chamber, resulting in equilibrium moisture content and moisture exclusion efficiency data. Thermal modification in open…
D C Batista, A C Oliveira Rupf, M Wentzel, C Brischke, H Militz


Enhanced Termite Resistance of Low Durability Fast Growing Teak Wood by Non-Biocide Treatments Based on Chemical and Thermal Modification
2025 - IRG/WP 25-30818
…using “choice” and “non-choice” screening termite tests. Furfurylation (FA), thermal treatment (HT), and combination of chemical and thermal treatment using glycerol-maleic anhydride (GMA) were performed on sapwood, heartwood, and their transition fractions (50:50, sapwood:heartwood). On one side, the wood…
R Martha, K Candelier, M-F Thévenon, B George, I S Rahayu, W Darmawan, P Gérardin


The impact of common fire retardancy salts and minerals on further properties of wood
2025 - IRG/WP 25-30821
…elasticity and modulus of rupture via three-point bending tests. Results indicate that mineralised wood shows reduction of its minerals after 16 months of outdoor exposure on the surface, but showed reduced blue-stain fungal infestation, improving colour stability. However, beech and oak exhibited colour changes…
T Franke, T Volkmer


Influence of plasma treatment on the coatability of wood primer with a topcoat for exterior use
2025 - IRG/WP 25-30828
…instrumented micro-scratch and micro-indentation tests were carried out. However, we were unable to find the reasons for this and this issue should be the subject of extensive future research.
M Petrič, L Albreht, N B Štrus, E Keržič, M Pavlič, J Žigon, S Dahle


Performance Verification of Water-Based Outdoor Wood Protection Coatings Based on Weather Resistance Evaluation
2025 - IRG/WP 25-41015
…treatment. We conducted accelerated weathering tests using the xenon lamp method (JIS K 5600-7-7) on conventional paints generally available in the Japanese market, measuring and comparing the colour difference, gloss retention, water repellency, and the occurrence of cracks and deterioration of the paint…
N Ikemoto