{"id":4863,"date":"2025-02-25T14:13:04","date_gmt":"2025-02-25T13:13:04","guid":{"rendered":"https:\/\/www.boogaerdthout.nl\/?page_id=4863"},"modified":"2025-06-10T14:41:51","modified_gmt":"2025-06-10T12:41:51","slug":"grip-strips-3","status":"publish","type":"page","link":"https:\/\/www.boogaerdthout.nl\/en\/gebruiksklassen-hout\/","title":{"rendered":"Classes of use of wood"},"content":{"rendered":"<div id='av-layout-grid-1'  class='av-layout-grid-container av-k5u9dj-f6c4c0c5547d8d1bcbfadbcab3b850de entry-content-wrapper main_color av-flex-cells  avia-builder-el-0  el_before_av_section  avia-builder-el-first   container_wrap sidebar_right'  >\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jk1d7b-656671a845fb100ba3364ccf21b0be51\">\n.flex_cell.av-jk1d7b-656671a845fb100ba3364ccf21b0be51{\nvertical-align:middle;\nheight:580px;\nmin-height:580px;\nbackground-color:#004629;\n}\n.responsive #top #wrap_all .flex_cell.av-jk1d7b-656671a845fb100ba3364ccf21b0be51{\npadding:2% 2% 2% 2% !important;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n.responsive #top #wrap_all .flex_cell.av-jk1d7b-656671a845fb100ba3364ccf21b0be51{\npadding:40px 40px 40px 40px !important;\n}\n}\n\n@media only screen and (max-width: 479px){ \n.responsive #top #wrap_all .flex_cell.av-jk1d7b-656671a845fb100ba3364ccf21b0be51{\npadding:40px 40px 40px 40px !important;\n}\n}\n<\/style>\n<div class='flex_cell av-jk1d7b-656671a845fb100ba3364ccf21b0be51 av-gridrow-cell av_one_half no_margin  avia-builder-el-1  el_before_av_cell_one_half  avia-builder-el-first  banner-tekst content-align-middle'  ><div class='flex_cell_inner'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lp2h4juy-13a23b26e229ee8ecd50005c51206f69\">\n#top .av_textblock_section.av-lp2h4juy-13a23b26e229ee8ecd50005c51206f69 .avia_textblock{\nfont-size:22px;\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lp2h4juy-13a23b26e229ee8ecd50005c51206f69'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h1 data-pm-slice=\"1 1 &#091;&#093;\">Classes of use of wood<\/h1>\n<p>Wood is a versatile and sustainable building material, but not every type of wood is suitable for every application. The suitability of wood for certain environments is determined by, among other things, usage classes. These classes indicate the extent to which wood is exposed to moisture and weather influences, which directly influences the durability and lifespan of the material. This article discusses the different usage classes and their applications.<\/p>\n<\/div><\/section>\n<\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lp2hh3za-b92f9ed6c831fa6fc2266c3785e362b7\">\n.flex_cell.av-lp2hh3za-b92f9ed6c831fa6fc2266c3785e362b7{\nvertical-align:middle;\nheight:580px;\nmin-height:580px;\nbackground:url(https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2023\/07\/Boogaerdt-header-houttoepassingen-tuinhout.jpg) 50% 50% no-repeat scroll ;\n}\n.responsive #top #wrap_all .flex_cell.av-lp2hh3za-b92f9ed6c831fa6fc2266c3785e362b7{\npadding:60px 60px 60px 60px !important;\n}\n<\/style>\n<div class='flex_cell av-lp2hh3za-b92f9ed6c831fa6fc2266c3785e362b7 av-gridrow-cell av_one_half no_margin  avia-builder-el-3  el_after_av_cell_one_half  avia-builder-el-last  banner-foto content-align-middle avia-full-stretch'  ><div class='flex_cell_inner'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-h530av-2226fae873326fe95c54003ac4d4ba58\">\n.flex_column.av-h530av-2226fae873326fe95c54003ac4d4ba58{\nborder-width:1px;\nborder-color:#ffffff;\nborder-style:solid;\npadding:370px 30px 30px 30px;\n}\n<\/style>\n<div  class='flex_column av-h530av-2226fae873326fe95c54003ac4d4ba58 av_one_half  avia-builder-el-4  avia-builder-el-no-sibling  first flex_column_div'     ><section  class='av_textblock_section av-gakr9j-d51e787f541b8464686e515f5dafaa72'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock toepassing-logo'  itemprop=\"text\" ><p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-5013 size-full\" src=\"https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2025\/06\/Gebruiksklassen.png\" alt=\"\" width=\"349\" height=\"93\" srcset=\"https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2025\/06\/Gebruiksklassen.png 349w, https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2025\/06\/Gebruiksklassen-300x80.png 300w, https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2025\/06\/Gebruiksklassen-18x5.png 18w\" sizes=\"auto, (max-width: 349px) 100vw, 349px\" \/><\/p>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><div id='av_section_1'  class='avia-section av-egfhyf-b1114bf8fc6a57052489c29811dc5e4b main_color avia-section-large avia-no-border-styling  avia-builder-el-6  el_after_av_layout_row  avia-builder-el-last  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-4863'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-byvouv-159b6e56c22df925972e93daf6c56ca5\">\n.flex_column.av-byvouv-159b6e56c22df925972e93daf6c56ca5{\npadding:0 60px 0 0;\n}\n<\/style>\n<div  class='flex_column av-byvouv-159b6e56c22df925972e93daf6c56ca5 av_two_third  avia-builder-el-7  el_before_av_one_third  avia-builder-el-first  padding-blok first no_margin flex_column_div'     ><section  class='av_textblock_section av-lp2h5rn6-2d27557d32c505673531c499275f93dd'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 data-pm-slice=\"1 1 &#091;&#093;\">User classes and their characteristics<\/h2>\n<p>The European standard (NEN-EN 335) defines five use classes for wood and wood products. This is to tell where and what it can be used for. Often a type of wood falls into different use classes because of the different applications it is used for.<\/p>\n<h4 data-pm-slice=\"1 1 &#091;&#093;\">Usage class 1: Indoor, dry<\/h4>\n<p>Wood in this class is used exclusively indoors, where it is not exposed to moisture. Examples include furniture, interior doors and floors. The risk of mould infestation is minimal in this class.<\/p>\n<h4>Usage class 2: Indoor, occasional moisture<\/h4>\n<p>Wood in this class is also mainly used indoors, but can occasionally come into contact with moisture, for example through condensation. Think of roof constructions or joists in buildings where some moisture occurs.<\/p>\n<h4>Usage class 3: Outdoors, exposed to the elements<\/h4>\n<p>This wood is used outside and is exposed to weather influences. A distinction is made between:<\/p>\n<ul data-spread=\"false\">\n<li><span style=\"color: #00d06b;\">Usage class 3.1<\/span>: Wood that is used above ground and does not become permanently wet, such as cladding.<\/li>\n<li><span style=\"color: #00d06b;\">Usage class 3.2<\/span>: Wood that regularly gets wet, for example in pergolas or garden wood.<\/li>\n<\/ul>\n<h4>Usage class 4: Contact with soil or water<\/h4>\n<p>Wood in this class has direct contact with the ground or fresh water, which means it has a high risk of being attacked by fungi and insects. Examples include decking, fences and posts. Often impregnated or naturally sustainable wood is used for this.<\/p>\n<h4>Usage class 5: Contact with salt water<\/h4>\n<p>This class includes wood that is in permanent contact with seawater, such as jetties and harbour structures. This wood must be extremely durable to withstand the harsh conditions.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2qyrxb-820e30d9b4a22abe5cf00080a36cc9c4\">\n#top .hr.hr-invisible.av-2qyrxb-820e30d9b4a22abe5cf00080a36cc9c4{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-2qyrxb-820e30d9b4a22abe5cf00080a36cc9c4 hr-invisible  avia-builder-el-9  el_after_av_textblock  el_before_av_textblock'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-m7ki9cbh-7521eeb16680b0795e9c537d11858d22'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 data-pm-slice=\"1 1 &#091;&#093;\">Durability classes versus Usage classes<\/h2>\n<p>In addition to usage classes, there are also durability classes, which indicate how well a type of wood is resistant to biological attack. This is laid down in the European standard NEN-EN 350.<\/p>\n<ul data-spread=\"false\">\n<li><span style=\"color: #00d06b;\">Sustainability classes<\/span> range from 1 (very durable) to 5 (not durable) and indicate the natural resistance of untreated heartwood to fungi and wood-destroying organisms.<\/li>\n<li><span style=\"color: #00d06b;\">Usage classes<\/span> indicate the extent to which wood is exposed to moisture and biological attack in different environments.<\/li>\n<\/ul>\n<p>A type of wood with a high durability class may be suitable for a higher usage class without additional treatment. Less durable types of wood may require preservation to make them suitable for certain applications.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-42x8pb-9b1fb27521a244d6033de12075108ce2\">\n#top .hr.hr-invisible.av-42x8pb-9b1fb27521a244d6033de12075108ce2{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-42x8pb-9b1fb27521a244d6033de12075108ce2 hr-invisible  avia-builder-el-11  el_after_av_textblock  el_before_av_textblock'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n<section  class='av_textblock_section av-2e9llb-c2f14e65d9f4325d459861ceb69788d1'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h2 data-pm-slice=\"1 1 &#091;&#093;\">Which wood for which application?<\/h2>\n<p>When choosing wood for a project, it is important to consider the correct use class. Tropical woods such as Azob\u00e9 and Bilinga are naturally suited to higher use classes (4 and 5), while softwoods such as Oregon Pine and Douglas often need to be treated to achieve the same durability.<\/p>\n<h2>Conclusion<\/h2>\n<p>By choosing the right usage class of wood, you extend the life of the material and prevent premature wear or deterioration. Whether you are laying a wooden floor indoors or installing a deck outdoors, understanding usage classes helps you make the right choice for a sustainable result.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8nf2br-ac8ad6ed1834f898bb8f7266b675e485\">\n#top .hr.hr-invisible.av-8nf2br-ac8ad6ed1834f898bb8f7266b675e485{\nheight:50px;\n}\n<\/style>\n<div  class='hr av-8nf2br-ac8ad6ed1834f898bb8f7266b675e485 hr-invisible  avia-builder-el-13  el_after_av_textblock  avia-builder-el-last'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div><div  class='flex_column av-44yxx3-abbcd3174303a7ca3fa06745512a58fb av_one_third  avia-builder-el-14  el_after_av_two_third  avia-builder-el-last  no_margin flex_column_div'     ><div  class='avia-builder-widget-area clearfix  avia-builder-el-15  avia-builder-el-no-sibling'><section id=\"avia_auto_toc-2\" class=\"widget clearfix avia-widget-container avia_auto_toc avia_no_block_preview\"><div class=\"avia-preview-headline\">Enfold Child Table of Contents<\/div><div class=\"avia-preview-info\">Title: Page content<\/div><div class=\"avia-preview-in-front\">Table can only be rendered in frontend.<\/div><span class=\"seperator extralight-border\"><\/span><\/section><section id=\"text-7\" class=\"widget clearfix widget_text\"><h3 class=\"widgettitle\">More information<\/h3>\t\t\t<div class=\"textwidget\"><ul>\n<li><a href=\"https:\/\/www.boogaerdthout.nl\/en\/inspiration\/knowledge-base\/\">Knowledge base<\/a><\/li>\n<li><a href=\"https:\/\/www.boogaerdthout.nl\/en\/about-us\/downloads\/\">Downloads<\/a><\/li>\n<li><a href=\"https:\/\/www.boogaerdthout.nl\/en\/inspiration\/projects\/\">Projects<\/a><\/li>\n<li><a href=\"https:\/\/www.boogaerdthout.nl\/en\/facade-cladding-profiles\/\">Profiles facade cladding<\/a><\/li>\n<li><a href=\"https:\/\/www.boogaerdthout.nl\/en\/profiles-decking\/\">Decking profiles<\/a><\/li>\n<li><a href=\"https:\/\/www.boogaerdthout.nl\/en\/about-us\/treatments-of-wood\/\">Wood treatments<\/a><\/li>\n<\/ul>\n<\/div>\n\t\t<span class=\"seperator extralight-border\"><\/span><\/section><section id=\"custom_html-2\" class=\"widget_text widget clearfix widget_custom_html\"><h3 class=\"widgettitle\">Ask your question<\/h3><div class=\"textwidget custom-html-widget\">\n\n\t\t\n\t    \t    \n        <div class=\"cta-foto\">\n            <img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"600\" src=\"https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2023\/08\/Boogaerdt-personeel-lars-bastiaansen.jpg\" class=\"wp-image-1822 avia-img-lazy-loading-1822 attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"Lars Bastiaansen\" srcset=\"https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2023\/08\/Boogaerdt-personeel-lars-bastiaansen.jpg 600w, https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2023\/08\/Boogaerdt-personeel-lars-bastiaansen-300x300.jpg 300w, https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2023\/08\/Boogaerdt-personeel-lars-bastiaansen-80x80.jpg 80w, https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2023\/08\/Boogaerdt-personeel-lars-bastiaansen-36x36.jpg 36w, https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2023\/08\/Boogaerdt-personeel-lars-bastiaansen-180x180.jpg 180w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>        <\/div>\n        <div class=\"cta-info\">\n            <p>Lars Bastiaansen<\/p>\n            <p class=\"functie\">Sales manager<\/p>\n            <p>0180-551 552<\/p>\n            <a href=\"\/en\/contact\/\" class=\"avia-button avia-icon_select-no avia-size-small btn-side avia-position-left avia-color-theme-color\"><span class=\"avia_iconbox_title\">Send a message<\/span><\/a>\n        <\/div>\n        \n\t\t\n\t\t\n<\/div><span class=\"seperator extralight-border\"><\/span><\/section><section id=\"text-2\" class=\"widget clearfix widget_text\">\t\t\t<div class=\"textwidget\"><div 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https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2026\/02\/Billinga-B-fix-scaled-e1771580756663-600x600.png 600w\" sizes=\"auto, (max-width: 1195px) 100vw, 1195px\" \/>\t\t\t\t<\/p>\n<div class=\"artikel-content\">\n<p>Terrace season is open<\/p>\n<\/div><\/div>\n<p>        <\/a><br \/>\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.boogaerdthout.nl\/en\/2026\/03\/08\/stage-marketing\/\">\t<\/p>\n<div class=\"wrapper\">\n                <img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"1024\" src=\"https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2026\/04\/Gemini_Generated_Image_kpybh0kpybh0kpyb.png\" class=\"wp-image-5517 avia-img-lazy-loading-5517 attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2026\/04\/Gemini_Generated_Image_kpybh0kpybh0kpyb.png 1024w, https:\/\/www.boogaerdthout.nl\/wp-content\/uploads\/2026\/04\/Gemini_Generated_Image_kpybh0kpybh0kpyb-300x300.png 300w, 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extralight-border\"><\/span><\/section><\/div><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-4863'><div class='entry-content-wrapper clearfix'><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-4863","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gebruiksklassen van hout - Kennisbank - Boogaerdt Hout<\/title>\n<meta name=\"description\" content=\"De 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