{"id":29324,"date":"2026-10-31T09:30:00","date_gmt":"2026-10-31T06:30:00","guid":{"rendered":"http:\/\/arvellodekorcom.local\/d1-d2-d3-d4-tutkal-normlari-nedir\/"},"modified":"2026-10-31T09:30:00","modified_gmt":"2026-10-31T06:30:00","slug":"d1-d2-d3-d4-tutkal-normlari-nedir","status":"publish","type":"post","link":"https:\/\/arvellodekor.com\/en\/d1-d2-d3-d4-tutkal-normlari-nedir\/","title":{"rendered":"What Are the D1, D2, D3 and D4 Glue Classes? Choosing the Right Wood Glue"},"content":{"rendered":"<p>The D1, D2, D3 and D4 markings you see on wood glue packaging are durability classes defined by the European standard EN 204. They show how well a bonded joint will withstand moisture and water; the higher the number, the greater the resistance.<\/p>\n<h2>EN 204 glue classes<\/h2>\n<ul>\n<li><strong>D1:<\/strong> For dry interiors, where wood moisture rarely exceeds 15 per cent.<\/li>\n<li><strong>D2:<\/strong> For interiors with occasional short exposure to water or condensation and occasional high humidity.<\/li>\n<li><strong>D3:<\/strong> For interiors with frequent short exposure to water or heavy humidity, and for exterior uses not directly exposed to the weather.<\/li>\n<li><strong>D4:<\/strong> For interiors with frequent, long exposure to water, and for exterior use when the surface is properly protected.<\/li>\n<\/ul>\n<h2>Which glue for which job?<\/h2>\n<ul>\n<li><strong>Wooden carcasses and solid-wood laminating:<\/strong> For dry interior work, filled D1 glues are sufficient and economical.<\/li>\n<li><strong>Frame assembly and general furniture:<\/strong> D2 glues that dry to a clear film give a clean result.<\/li>\n<li><strong>Door production and cold pressing:<\/strong> D3 glue should be chosen for areas exposed to moisture such as kitchens, bathrooms and entrance doors.<\/li>\n<li><strong>Wet rooms and exteriors:<\/strong> Glues that reach D4 with a second component (hardener) give the highest water resistance.<\/li>\n<\/ul>\n<h2>Tips for a good bond<\/h2>\n<ul>\n<li>Surfaces to be bonded must be clean, dust-free and dry.<\/li>\n<li>Join the parts before the glue's open time runs out.<\/li>\n<li>Adjust the pressing time to the room temperature; it takes longer in a cold room.<\/li>\n<li>Wood moisture of roughly 8\u201312 per cent improves bond quality.<\/li>\n<\/ul>\n<h2>Arvello Dekor adhesive products<\/h2>\n<p>Our range includes adhesives for wood and furniture production, from D1 solid-wood glue to D3-D4 glue and from membrane press adhesive to edge-banding hotmelts.<\/p>\n<p><a href=\"https:\/\/arvellodekor.com\/en\/product-category\/yapistirici\/\">Explore all adhesives<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Ah\u015fap tutkallar\u0131ndaki D1&#8217;den D4&#8217;e uzanan normlar, yap\u0131\u015ft\u0131r\u0131lan par\u00e7an\u0131n neme ve suya ne kadar dayanaca\u011f\u0131n\u0131 g\u00f6sterir. Hangi i\u015fte hangi tutkal\u0131n kullan\u0131laca\u011f\u0131n\u0131 anlatt\u0131k.<\/p>","protected":false},"author":0,"featured_media":29325,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-29324","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dekorasyon"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Are D1, D2, D3 and D4 Glue Classes? | Arvello Dekor<\/title>\n<meta name=\"description\" content=\"What do the D1, D2, D3 and D4 glue classes mean? We explain the moisture resistance of wood glues under EN 204, where each is used and how to choose the right one.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/arvellodekor.com\/en\/d1-d2-d3-d4-tutkal-normlari-nedir\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Are D1, D2, D3 and D4 Glue Classes? | Arvello Dekor\" \/>\n<meta property=\"og:description\" content=\"What do the D1, D2, D3 and D4 glue classes mean? 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