{"id":2781,"date":"2025-11-18T16:18:40","date_gmt":"2025-11-18T16:18:40","guid":{"rendered":"https:\/\/leffer.de\/qualitat-sicherheit\/zertifikate\/en-1090-1-wpk-en-1090-2-exc1-exc4\/"},"modified":"2026-01-30T09:34:39","modified_gmt":"2026-01-30T09:34:39","slug":"en-1090-1-wpk-en-1090-2-exc1-exc4","status":"publish","type":"page","link":"https:\/\/leffer.de\/en\/our-competencies\/en-1090-1-wpk-en-1090-2-exc1-exc4\/","title":{"rendered":"EN 1090-1 WPK \/ EN 1090-2 EXC1\u2013EXC4"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">We are certified according to EN 1090-1 with a certified <strong>factory production control (FPC)<\/strong> and according to <strong>EN 1090-2<\/strong> in <strong>execution classes EXC1 to EXC4<\/strong>. These certifications attest to our expertise in manufacturing load-bearing steel and aluminum components in accordance with European construction product requirements. This gives customers the assurance that our designs meet the highest requirements for <strong>statics, manufacturing quality, and structural safety<\/strong>\u2014from simple components to highly stressed structures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Construction product:<\/strong> Load-bearing components and kits for steel structures up to EXC4 according to EN 1090-2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Date of issue:<\/strong> May 31, 2024<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Valid until:<\/strong> May 27, 2027<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Certificate No.:<\/strong> 2451-CPR-EN-1090-2014.1741.006<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Certifying body:<\/strong> DVS ZERT<\/p>\n\n\n\n    <div page class=\"singlepost wp-block-fbo-singlepost\" id=\"6a71f5cfe5d1f\">\n\n        \n<a href=\"https:\/\/leffer.de\/wp-content\/uploads\/2025\/10\/EN1090-1_WPK_engl.pdf\" target=\"_blank\"  class=\"postarchive__download icon icon-download\">\n   <p class=\"download__title\">DIN EN 1090-1 WPK<\/p>\n   <div class=\"download__data\">\n        <span class=\"download__size\">667.34 KB<\/span>\n        <span class=\"download__type\">(pdf)<\/span>\n    <\/div>\n\n<\/a>\n    <\/div>\n\n\n\n\n    <div page class=\"singlepost wp-block-fbo-singlepost\" id=\"6a71f5cfe5d1f\">\n\n        \n<a href=\"https:\/\/leffer.de\/wp-content\/uploads\/2025\/10\/EN1090-2_Welding_EN.pdf\" target=\"_blank\"  class=\"postarchive__download icon icon-download\">\n   <p class=\"download__title\">DIN EN 1090-2:2018 EXC4<\/p>\n   <div class=\"download__data\">\n        <span class=\"download__size\">797.97 KB<\/span>\n        <span class=\"download__type\">(pdf)<\/span>\n    <\/div>\n\n<\/a>\n    <\/div>\n\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/leffer.de\/en\/kompetenzen\/zertifikate\/\"><span class=\"button-text icon icon-arrow-stroke\">Back to Certifications<\/span><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>We are certified according to EN 1090-1 with a certified factory production control (FPC) and according to EN 1090-2 in execution classes EXC1 to EXC4. These certifications attest to our expertise in manufacturing load-bearing steel and aluminum components in accordance with European construction product requirements. This gives customers the assurance that our designs meet the [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":2683,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"featuredimage_focalpoint":[],"footnotes":""},"categories":[],"tags":[],"class_list":["post-2781","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>EN 1090-1 WPK \/ EN 1090-2 EXC1\u2013EXC4 - Leffer - Stahl- und Apparatebau<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EN 1090-1 WPK \/ EN 1090-2 EXC1\u2013EXC4 - Leffer - Stahl- und Apparatebau\" \/>\n<meta property=\"og:description\" content=\"We are certified according to EN 1090-1 with a certified factory production control (FPC) and according to EN 1090-2 in execution classes EXC1 to EXC4. These certifications attest to our expertise in manufacturing load-bearing steel and aluminum components in accordance with European construction product requirements. This gives customers the assurance that our designs meet the [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/leffer.de\/en\/our-competencies\/certifications__trashed\/en-1090-1-wpk-en-1090-2-exc1-exc4\/\" \/>\n<meta property=\"og:site_name\" content=\"Leffer - Stahl- und Apparatebau\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-30T09:34:39+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/leffer.de\/en\/our-competencies\/certifications__trashed\/en-1090-1-wpk-en-1090-2-exc1-exc4\/\",\"url\":\"https:\/\/leffer.de\/en\/our-competencies\/certifications__trashed\/en-1090-1-wpk-en-1090-2-exc1-exc4\/\",\"name\":\"EN 1090-1 WPK \/ EN 1090-2 EXC1\u2013EXC4 - Leffer - Stahl- und Apparatebau\",\"isPartOf\":{\"@id\":\"https:\/\/leffer.de\/#website\"},\"datePublished\":\"2025-11-18T16:18:40+00:00\",\"dateModified\":\"2026-01-30T09:34:39+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/leffer.de\/en\/our-competencies\/certifications__trashed\/en-1090-1-wpk-en-1090-2-exc1-exc4\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/leffer.de\/en\/our-competencies\/certifications__trashed\/en-1090-1-wpk-en-1090-2-exc1-exc4\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/leffer.de\/en\/our-competencies\/certifications__trashed\/en-1090-1-wpk-en-1090-2-exc1-exc4\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Startseite\",\"item\":\"https:\/\/leffer.de\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Our Competencies\",\"item\":\"https:\/\/leffer.de\/en\/our-competencies\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"EN 1090-1 WPK \/ EN 1090-2 EXC1\u2013EXC4\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/leffer.de\/#website\",\"url\":\"https:\/\/leffer.de\/\",\"name\":\"Leffer - Stahl- und Apparatebau\",\"description\":\"Stahl- und Apparatebau\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/leffer.de\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"EN 1090-1 WPK \/ EN 1090-2 EXC1\u2013EXC4 - Leffer - Stahl- und Apparatebau","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"EN 1090-1 WPK \/ EN 1090-2 EXC1\u2013EXC4 - Leffer - Stahl- und Apparatebau","og_description":"We are certified according to EN 1090-1 with a certified factory production control (FPC) and according to EN 1090-2 in execution classes EXC1 to EXC4. These certifications attest to our expertise in manufacturing load-bearing steel and aluminum components in accordance with European construction product requirements. 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