Your search resulted in 89 documents. Displaying 25 entries per page.
Laboratory and field exposures of FRT plywood: Part 1. Physical test data
2008 - IRG/WP 08-40426
Our understanding of the laboratory induced degradation with fire retardant systems is currently limited since we are unable to correlate laboratory steady-state experiments with actual in-service field degradation. Current model studies have generally been limited to isothermal rate studies with selected model FR chemicals. Other factors also play a major role in the degradation of FR-treated woo...
H M Barnes, J E Winandy, C R McIntyre
Improving the Dimensional Stability and Fire Resistance of OSB by Roller-Coating Panels with UV-Curable Finishes
2008 - IRG/WP 08-40434
Oriented strandboard was sanded and roller-coated with UV-cured finishes. The effects of these treatments on the surface roughness, dimensional stability and fire resistance of OSB were assessed. Sanding reduced the average roughness of OSB, but it had a smaller effect on maximum roughness because sanded boards still contained surface voids between some strands. Sanded boards absorbed less than ha...
P D Evans, I Cullis
Thermal behavior of zinc borate-treated wood
2009 - IRG/WP 09-30511
The objective of this study was to investigate the thermal behavior of zinc borate (ZnB)-treated solid wood by thermal analysis (TA). Thermogravimetry (TG) and differential thermogravimetry (DTG) curves obtained from TA showed that ZnB-treated wood specimens had higher char yields and lower maximum thermal decomposition temperature than untreated wood specimens. Reducing thermal decomposition temp...
E Terzi, H Sutcu, S N Kartal
Novel Approaches to the Development and Testing of Anti After-glow Additives for CCA-based Treatments of Poles
2011 - IRG/WP 11-30561
In this paper, a field fire stake testing screen method is described. This method uses stake samples from matched wood sources allowing replicates from different boards to be included. The method is easy to control and can provide quick comparative fire resistance test results. The parameters measured from the tests are percentage weight loss, minimum residual circumference and residual thicknes...
L Jin, P Walcheski, A Preston
Tannin resin-boron for outdoor wood protection and fire retardancy
2011 - IRG/WP 11-30567
Boron in the form of boric acid is well known for its efficacy against wood destroying organisms, as well as for its high leachability from treated wood when in outside exposure. Moreover, due to the European directive 2008/58/EC, boric acid is only authorized at low levels. In order to keep considering boric acid as an interesting active ingredient for wood protection, the issue is now to fix it ...
M-F Thévenon, G Tondi, N Leménager, S Wieland, A Pizzi
Effects of Nano-Wollastonite on Ignition Time Reduction in MDF
2012 - IRG/WP 12-40576
Effects of wollastonite nano-fibers on ignition time reduction in medium density fiberboard were studied. Nanowollastonite was applied at 5, 10, 15, and 20 g/kg dry weight basis of wood fibers and compared with control specimens. Two application methods of nanowollastonite were used: surface application, and internal application. Specimens of 150×130×9 mm were prepared and the ignition times wer...
H Reza Taghiyari, H Rangavar, P Noori, A Karimi
Succession after Fire of Fungal Fruiting Bodies in Mediterranean Pinus pinaster Stands in Spain
2012 - IRG/WP 12-10789
In this study we present the results of a 4-year survey aimed at describing the succession of fungal communities following fire in a Mediterranean ecosystem in Northwest Spain, dominated by Pinus pinaster Ait. After a large wildfire in 2002, six 2 x 50 m study plots were established in burned and unburned areas corresponding to early and late succession stages. During the autumn seasons from 2003 ...
P Vásquez Gassibe, M Hernández-Rodriguez, R Fraile Fabero, J A Oria-De-Rueda, P Martín-Pinto
Study on Fire Resistance of Lightweight Panels Made of Honeycomb and Polyurethane Cores
2013 - IRG/WP 13-40645
In response to the increasing demand of lightweight and durable materials in furniture manufacture, potential of different skin types and cores were investigated to make proper lightweight panel. Fire resistance of panels made of different skins and cores were studied to elucidate the board’s behavior exposed to fire. Skins were MDF (3, 6 and 8 mm), particle board, plywood (3 and 5 layers) and c...
A Talaei, M Ghofrani, S Pishan
The whitening cause of Korean wooden heritage by flame retardant treatment
2015 - IRG/WP 15-20560
Korean wooden heritage used to treat by flame retardants in order to protect fire. There are 2 types flame retardant using for wooden heritage. These flame retardants treatment are basic measure that apply to wooden heritage along with other fire protection. The flame retardants cause white stains by reacting with Korean traditional wood painting (Dancheong) and increase wood humidity. The Korean ...
Jin Qyu Kim, Gyu-Seong Han, Yong Jae Chung, Hwa Soo Lee, Dong Won Son
Bio-friendly preservative systems for enhanced wood durability - the first periodic report on DURAWOOD
2015 - IRG/WP 15-30677
The objective of the paper is the DURAWOOD scientific project carried out within Polish-Norwegian Research Programme, which lasts from September 2013 till August 2016. The aim of the project concentrates on the developing of a new, eco-friendly and biocide-free wood protective systems as an alternative to traditional, commonly used preservatives or coatings, containing biocides. Several wood prese...
B Mazela, M Broda, W Perdoch, L Ross Gobakken, I Ratajczak, G Cofta, W Grześkowiak, A Komasa, A Przybył
Study on the Effects of Flame Retardant in Dancheong for Korea Wooden Cultural Heritage
2015 - IRG/WP 15-40692
This study identifies the effect of the agent depending on environment change and conducted basic study to prepare criteria for stable application. Dancheong sample, which is similar to wooden cultural heritage, was manufactured to study the effect of the agent on dancheong. Regular observation on the samples located in inland and shoreline area in the country detected visible phenomena. Whitening...
Hwa Soo Lee, So Jung Lee, Gyu Seong Han, Yong Jae Chung
Durability of reaction to fire performance of FRT wood products in different end use applications – Methods and results
2015 - IRG/WP 15-40705
Fire retardant treatments (FRT) may considerably improve the reaction to fire properties of wood-based products and the highest fire classifications for combustible products can be reached, but the maintained reaction to fire performance e. g. in exterior applications needs to be addressed in order to form a basis for new and reliable wood products with improved fire performance.
A European Techn...
B Östman, L Tsantaridis
Fire protection of wooden facades in Norway
2015 - IRG/WP 15-40710
Wood products are experiencing a renaissance as construction material in Europe due to their environmental benefits. In Norwegian building design however, timber has always played an important role but has had its limitations in urban architecture. One of the reasons is a high demand to fire safety in dense house building and multi-story buildings. Though novel construction methods and fire safety...
U Hundhausen, K-C Mahnert
Minimum standards for habitability in emergency housing
2015 - IRG/WP 15-50312
In this study we evaluated the properties of a prefabricated HOUSING prototype based on a 64mm thick "Structural Insulated Panel" (SIP; hereinafter SIP64), built by two OSB panels bonded with a two component polyurethane adhesive to a high density expanded polystyrene core. This panel was manufactured as a main element for walls in the construction of emergency housing. The thermal insulation of t...
R Garay, F Pfenniger, W Figueroa
Effects of Nano-Wollastonite Impregnation on Fire Properties of Some Thermally-Treated Solid Wood Species
2017 - IRG/WP 17-40771
The effects of nano-wollastonite (NW) suspension impregnation on the fire-retarding properties of heat-treated solid wood of three species (beech, poplar, fir) were studied. Heat treatment was performed at two temperatures of 180 °C and 200 °C. Impregnation was carried out at a pressure of 3 bars for 30 min. The fire properties included ignition time, glowing time, back-darkening, back-splitting...
H R Taghiyari, R Hossinpourpia, S Adamopoulos, A Jahangiri, D Rabie
Self-Extinguishment Phenomena of Mass Timber in Medium-Scale Compartment Fires
2018 - IRG/WP 18-30729
This paper presents a review of the fire safety risks that mass timber construction may introduce in buildings, with special consideration to medium- and high-rise buildings. These main risks are represented by an effect to the classical fire safety strategy for buildings: (1) Compartmentalisation, to ensure that the fire will not spread farther than the compartment of origin, (2) Preventing verti...
C Gorska, J P Hidalgo
Selection of heat flux value for wood fire retardants testing using MLC
2018 - IRG/WP 18-40846
One of more crucial elements of investigating treated wood combustion properties with the use of a cone calorimeter is a proper selection of heat flux (HF). The HF level is directly reflected in time to ignition and a thermal degradation degree. The ignition of raw wood or of wood ineffectively protected against fire occurs at a low HF level, i.e. 10-20 kW/m2. By contrast, the ignition of wood whi...
B Mazela, W Perdoch, W Grześkowiak, A Batista
The Study of the Preparation of Overlaid MDF with the Flame Retardant Impregnated Paper
2018 - IRG/WP 18-40848
The preparation of overlaid medium density fiberboard (MDF) was studied. The flame retardant impregnated papers (FRIP) were overlaid on the surface of the MDF for the fire protection. The results showed that: 1) The production of the FRIP was based on the technology of melamine-impregnated paper, which required the viscosity of the impregnated resin lower than 20s. However, with the addition of th...
W Qu, M Wu, Y-Z Wu
Thermal performance and fire safety properties of traditional circumferential log-cabin walls
2019 - IRG/WP 19-40872
The paper describes the experiment of fire resistance of a circumferential log-cabin wall fragment using various structural modification of the gap between two log members. The influence of the gap structural modification on the criterion of fire resistance E (envelop integrity) and I (insulation) is evaluated. The evaluating criteria are represented by the development of temperatures measured in ...
S Jochim, L Makovicka Osvaldova, M Zachar, Z Danihelova
Impact of wetting agents on polyelectrolyte complex impregnation for wood fire-retardancy
2022 - IRG/WP 22-30768
Wood fire performance is a great concern in interior finishing due to the high risk of flame spread. To increase the use of wood in high building while ensuring the safety of building occupants, fire retardant (FR) treatments are required. Traditionally, two fireproofing strategies are employed: impregnation and coatings. They have been widely studied but they, respectively, are time and chemicals...
M Soula, J B Grenier, S Duquesne, F Samyn, V Landry
Green approach in wood mineralization for improvement of fire properties
2022 - IRG/WP 22-30769
Various treatments have been developed in order to improve fire properties of wood. Because the use of some flame retardants can release toxic compounds in the event of a fire, leading to poisoning or even death of people from smoke inhalation, the use of no-toxic and more ecologically acceptable flame retardants is preferable. Mineralization of wood with the incorporation of carbonates has proven...
A Pondelak, R Repič, L Škrlep, N Knez, F Knez, A S Škapin
Comparative study of the properties of silicate coatings with different mineral pigments (titanium dioxide, iron (III) oxide, copper (II) oxide) on the surface of wood
2022 - IRG/WP 22-40936
Silicate coatings are attractive alternatives to conventional organic-based coatings for wood protection. In this work, silicate coatings were prepared with a potassium silicate binder modified with a methyl siliconate solution, and three types of mineral pigments titanium dioxide, iron (III) oxide and copper (II) oxide. The coatings were applied on beech wood and cured under ambient conditions. T...
A M Cheumani Yona, M Petrič
Effect of densification of Eucalyptus nitens and E. obliqua on moisture uptake, swelling, decay resistance, and fire performance
2022 - IRG/WP 22-40946
Some Australian Eucalyptus species that are abundantly available have low natural durability and poor resistance to fire. These same species are also extremely difficult to treat with preservatives or fire retardants using conventional pressure treatment methods due to a large proportion of refractory heartwood. The aim of this research was to understand whether thermo-mechanical densification had...
B Hassan, J J Morrell, F Wiesner, W Wu, B Belleville, K C Wood
A Comparison of Cross-Laminated Timber (CLT) Floor Panels using Finite Element Analysis and Experimental Fire Testing
2022 - IRG/WP 22-40955
Cross-laminated timber (CLT) is a relatively new timber product and has gained popularity in North America and Europe as a construction material. As a sustainable engineered timber product, CLT offers many advantages over solid wood, concrete, or steel construction. However, the use of timber in medium to high rise buildings is often avoided mainly due to its combustible nature. In this paper, a n...
M Yasir, A Macilwraith, K Ruane
Carbon nanotubes and multifunctional silane additive as fillers in PF resin and their effect on the composite flammability
2023 - IRG/WP 23-30783
Adhesive bonds are the most readily modifiable and, at the same time, give the greatest scope for modification of components of lignocellulosic composites. A study of a manufactured lignocellulosic composite based on a phenol-formaldehyde resin and pine veneer with additives modifying the properties of the resin was made. The multifunctional commercial silicon oxide Protectosil 851 and multi-walle...
W L Grzeskowiak, B Mazela, T Prowadzisz