The Efficiency of Different Wood Coatings against Water Surface Absorption

In the market of the Latvia different wood surface coating materials suitable for use in outdoor conditions are offered, but available information on the efficiency of these against direct water exposure is insufficient. For structural timber building elements, such as glued laminated timber (GLT),...

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Autores principales:	Iejavs Jānis, Ruļuks Oskars, Laiveniece Laura, Jakovļevs Vilnis, Pugovičs Kārlis, Liše Sigita, Spulle Uldis
Formato:	article
Lenguaje:	EN LV
Publicado:	Sciendo 2021
Materias:	construction wood pine and spruce heartwood and sapwood oils paints Agriculture (General) S1-972
Acceso en línea:	https://doaj.org/article/cff635c211954a5fa47eeaf475f8a413
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id	oai:doaj.org-article:cff635c211954a5fa47eeaf475f8a413
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spelling	oai:doaj.org-article:cff635c211954a5fa47eeaf475f8a4132021-12-05T14:11:09ZThe Efficiency of Different Wood Coatings against Water Surface Absorption2256-093910.2478/plua-2021-0005https://doaj.org/article/cff635c211954a5fa47eeaf475f8a4132021-08-01T00:00:00Zhttps://doi.org/10.2478/plua-2021-0005https://doaj.org/toc/2256-0939In the market of the Latvia different wood surface coating materials suitable for use in outdoor conditions are offered, but available information on the efficiency of these against direct water exposure is insufficient. For structural timber building elements, such as glued laminated timber (GLT), the surface coating should be applied taking into account technological, visual or colour changes (ISO 7724:1984) and – last, but not least – economic aspects are considered. Wood surfaces coated with coating materials, such as varnishes, paints, etc. can stabilize some properties such as movement of moisture content, dimensional changes and attack by microorganisms and fungi. The changes in the moisture content of timber may influence such important parameters as mechanical properties and the total life time of the structural timber elements. A study has been conducted with the aim of assessing the efficiency of coating materials used for wood protection against water absorption. In this study, six different commercial coating products used for the treatment of spruce (Picea Abies L. Karst.) and pine (Pinus Sylvestris L.) samples were tested. The efficiency of different coating substances was assessed using two modified test methods according to the standards EN 382-2 (1994) and EN 927-5 (2006), determining the surface water absorption after immersion in water for 24 h and the dynamics of water absorption of the glued laminated timber for 696 h kept in water. As a result of the study, it has been ascertained that organic solvent-based commercial coating products are more efficient against short-term and long-term wood water absorption compared to oil-based coating materials.Iejavs JānisRuļuks OskarsLaiveniece LauraJakovļevs VilnisPugovičs KārlisLiše SigitaSpulle UldisSciendoarticleconstruction woodpine and spruceheartwood and sapwoodoilspaintsAgriculture (General)S1-972ENLVRural Sustainability Research, Vol 45, Iss 340, Pp 28-37 (2021)
institution	DOAJ
collection	DOAJ
language	EN LV
topic	construction wood pine and spruce heartwood and sapwood oils paints Agriculture (General) S1-972
spellingShingle	construction wood pine and spruce heartwood and sapwood oils paints Agriculture (General) S1-972 Iejavs Jānis Ruļuks Oskars Laiveniece Laura Jakovļevs Vilnis Pugovičs Kārlis Liše Sigita Spulle Uldis The Efficiency of Different Wood Coatings against Water Surface Absorption
description	In the market of the Latvia different wood surface coating materials suitable for use in outdoor conditions are offered, but available information on the efficiency of these against direct water exposure is insufficient. For structural timber building elements, such as glued laminated timber (GLT), the surface coating should be applied taking into account technological, visual or colour changes (ISO 7724:1984) and – last, but not least – economic aspects are considered. Wood surfaces coated with coating materials, such as varnishes, paints, etc. can stabilize some properties such as movement of moisture content, dimensional changes and attack by microorganisms and fungi. The changes in the moisture content of timber may influence such important parameters as mechanical properties and the total life time of the structural timber elements. A study has been conducted with the aim of assessing the efficiency of coating materials used for wood protection against water absorption. In this study, six different commercial coating products used for the treatment of spruce (Picea Abies L. Karst.) and pine (Pinus Sylvestris L.) samples were tested. The efficiency of different coating substances was assessed using two modified test methods according to the standards EN 382-2 (1994) and EN 927-5 (2006), determining the surface water absorption after immersion in water for 24 h and the dynamics of water absorption of the glued laminated timber for 696 h kept in water. As a result of the study, it has been ascertained that organic solvent-based commercial coating products are more efficient against short-term and long-term wood water absorption compared to oil-based coating materials.
format	article
author	Iejavs Jānis Ruļuks Oskars Laiveniece Laura Jakovļevs Vilnis Pugovičs Kārlis Liše Sigita Spulle Uldis
author_facet	Iejavs Jānis Ruļuks Oskars Laiveniece Laura Jakovļevs Vilnis Pugovičs Kārlis Liše Sigita Spulle Uldis
author_sort	Iejavs Jānis
title	The Efficiency of Different Wood Coatings against Water Surface Absorption
title_short	The Efficiency of Different Wood Coatings against Water Surface Absorption
title_full	The Efficiency of Different Wood Coatings against Water Surface Absorption
title_fullStr	The Efficiency of Different Wood Coatings against Water Surface Absorption
title_full_unstemmed	The Efficiency of Different Wood Coatings against Water Surface Absorption
title_sort	efficiency of different wood coatings against water surface absorption
publisher	Sciendo
publishDate	2021
url	https://doaj.org/article/cff635c211954a5fa47eeaf475f8a413
work_keys_str_mv	AT iejavsjanis theefficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT ruluksoskars theefficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT laiveniecelaura theefficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT jakovlevsvilnis theefficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT pugovicskarlis theefficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT lisesigita theefficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT spulleuldis theefficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT iejavsjanis efficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT ruluksoskars efficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT laiveniecelaura efficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT jakovlevsvilnis efficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT pugovicskarlis efficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT lisesigita efficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption AT spulleuldis efficiencyofdifferentwoodcoatingsagainstwatersurfaceabsorption
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The Efficiency of Different Wood Coatings against Water Surface Absorption

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