{"id":1509,"date":"2026-02-26T03:25:19","date_gmt":"2026-02-26T02:25:19","guid":{"rendered":"https:\/\/glassfiber.wpenginepowered.com\/?post_type=produkt&#038;p=1509"},"modified":"2026-08-07T12:21:02","modified_gmt":"2026-08-07T10:21:02","slug":"grating-article-no-15021","status":"publish","type":"produkt","link":"https:\/\/glassfiber.no\/en\/produkt\/gitterrist-artikkel-nr-15021\/","title":{"rendered":"Article No. 15021"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Grating article 15021 \u2013 Specifications<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Grating article 15021 is a molded fiberglass grating with a square 38\u00d738 mm mesh and 25 mm height. The surface has a U-shaped concave pattern in gray (RAL 7001), which provides good slip resistance even in wet or oily environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because the grating has isophthalic polyester as a raw material, it achieves fire class 1 (ASTM E84-05) with a flame spread of less than 25. Therefore, it is well suited for demanding industrial environments, including oil and gas, fish farming and electric power.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Since the grating is 25 mm high, it can withstand higher loads than the thinner versions. This makes it well suited for walkways, platforms and other areas where strength and anti-slip properties are important.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In addition, the grating has insulating electrical properties, and at the same time it can withstand temperatures from -20 to +80 \u00b0C. However, it is also supplied in a standard panel size of 1219 x 3658 mm, and can be cut to the desired size.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Plate dimension<\/strong><\/td><td>1219 x 3658 mm<\/td><\/tr><tr><td><strong>Height<\/strong><\/td><td>25mm<\/td><\/tr><tr><td><strong>Pattern<\/strong><\/td><td>Square, 38 x 38 mm<\/td><\/tr><tr><td><strong>Profile thickness<\/strong><\/td><td>6.5\/5mm (top\/bottom)<\/td><\/tr><tr><td><strong>Opening<\/strong><\/td><td>32 x 32 mm<\/td><\/tr><tr><td><strong>Open area<\/strong><\/td><td>68%<\/td><\/tr><tr><td><strong>Weight<\/strong><\/td><td>12.2 kg\/m2<\/td><\/tr><tr><td><strong>Weight per plate<\/strong><\/td><td>54.4 kg<\/td><\/tr><tr><td><strong>Surface<\/strong><\/td><td>U-shaped concave<\/td><\/tr><tr><td><strong>Color<\/strong><\/td><td>Grey (RAL 7001)<\/td><\/tr><tr><td><strong>Plastic raw material<\/strong><\/td><td>Isophthalic polyester<\/td><\/tr><tr><td><strong>Fire resistance<\/strong><\/td><td>&nbsp;ASTM E84-05, Class 1<\/td><\/tr><tr><td><strong>Flame spread<\/strong><\/td><td>&lt; 25<\/td><\/tr><tr><td><strong>Temperature range<\/strong><\/td><td>-20\u00b0C\/80\u00b0C<\/td><\/tr><tr><td><strong>Electrical conductivity<\/strong><\/td><td>Insulating<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;6a8d2c296c078&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"6a8d2c296c078\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1876\" height=\"414\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on--pointerdown=\"actions.preloadImage\" data-wp-on--pointerenter=\"actions.preloadImageWithDelay\" data-wp-on--pointerleave=\"actions.cancelPreload\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/glassfiber.no\/wp-content\/uploads\/15020-15021-15022-15023.jpg\" alt=\"\" class=\"wp-image-3433\" srcset=\"https:\/\/glassfiber.no\/wp-content\/uploads\/15020-15021-15022-15023.jpg 1876w, https:\/\/glassfiber.no\/wp-content\/uploads\/15020-15021-15022-15023-1366x301.jpg 1366w, https:\/\/glassfiber.no\/wp-content\/uploads\/15020-15021-15022-15023-768x169.jpg 768w, https:\/\/glassfiber.no\/wp-content\/uploads\/15020-15021-15022-15023-18x4.jpg 18w\" sizes=\"auto, (max-width: 1876px) 100vw, 1876px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\tdata-wp-bind--aria-label=\"state.thisImage.triggerButtonAriaLabel\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.thisImage.buttonRight\"\n\t\t\tdata-wp-style--top=\"state.thisImage.buttonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewbox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><figcaption class=\"wp-element-caption\">Deflection in mm as a function of load in kg and open span in mm<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1366\" height=\"633\" src=\"http:\/\/glassfiber.no\/wp-content\/uploads\/4192446b-7e50-4eb0-b9b7-0bd82753489c-1366x633.png\" alt=\"\" class=\"wp-image-3064\" style=\"aspect-ratio:2.156957149735195;width:531px;height:auto\" srcset=\"https:\/\/glassfiber.no\/wp-content\/uploads\/4192446b-7e50-4eb0-b9b7-0bd82753489c-1366x633.png 1366w, https:\/\/glassfiber.no\/wp-content\/uploads\/4192446b-7e50-4eb0-b9b7-0bd82753489c-768x356.png 768w, https:\/\/glassfiber.no\/wp-content\/uploads\/4192446b-7e50-4eb0-b9b7-0bd82753489c.png 1842w\" sizes=\"auto, (max-width: 1366px) 100vw, 1366px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"featured_media":1510,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[29],"class_list":["post-1509","produkt","type-produkt","status-publish","has-post-thumbnail","hentry","category-stopte-gitterrister"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gitterrist Artikkel nr. 15021 - Glassfiber Produkter<\/title>\n<meta name=\"description\" content=\"Kraftig gitterrist i glassfiber med konkav, sklisikker overflate \u2013 korrosjonsfri, isolerende og brannklasse 1. Artikkel 15021, 25 mm h\u00f8yde.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/glassfiber.no\/en\/product\/grating-article-no-15021\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gitterrist Artikkel nr. 15021 - Glassfiber Produkter\" \/>\n<meta property=\"og:description\" content=\"Kraftig gitterrist i glassfiber med konkav, sklisikker overflate \u2013 korrosjonsfri, isolerende og brannklasse 1. Artikkel 15021, 25 mm h\u00f8yde.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/glassfiber.no\/en\/product\/grating-article-no-15021\/\" \/>\n<meta property=\"og:site_name\" content=\"Glassfiber Produkter\" \/>\n<meta property=\"article:modified_time\" content=\"2026-08-07T10:21:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/glassfiber.no\/wp-content\/uploads\/2aeeeb09-a4de-4219-83f3-ebdb802afbc7.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1440\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/glassfiber.no\\\/produkt\\\/gitterrist-artikkel-nr-15021\\\/\",\"url\":\"https:\\\/\\\/glassfiber.no\\\/produkt\\\/gitterrist-artikkel-nr-15021\\\/\",\"name\":\"Gitterrist Artikkel nr. 15021 - Glassfiber Produkter\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/glassfiber.no\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/glassfiber.no\\\/produkt\\\/gitterrist-artikkel-nr-15021\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/glassfiber.no\\\/produkt\\\/gitterrist-artikkel-nr-15021\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/glassfiber.no\\\/wp-content\\\/uploads\\\/2aeeeb09-a4de-4219-83f3-ebdb802afbc7.png\",\"datePublished\":\"2026-02-26T02:25:19+00:00\",\"dateModified\":\"2026-08-07T10:21:02+00:00\",\"description\":\"Kraftig gitterrist i glassfiber med konkav, sklisikker overflate \u2013 korrosjonsfri, isolerende og brannklasse 1. Artikkel 15021, 25 mm h\u00f8yde.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/glassfiber.no\\\/produkt\\\/gitterrist-artikkel-nr-15021\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/glassfiber.no\\\/produkt\\\/gitterrist-artikkel-nr-15021\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/glassfiber.no\\\/produkt\\\/gitterrist-artikkel-nr-15021\\\/#primaryimage\",\"url\":\"https:\\\/\\\/glassfiber.no\\\/wp-content\\\/uploads\\\/2aeeeb09-a4de-4219-83f3-ebdb802afbc7.png\",\"contentUrl\":\"https:\\\/\\\/glassfiber.no\\\/wp-content\\\/uploads\\\/2aeeeb09-a4de-4219-83f3-ebdb802afbc7.png\",\"width\":1920,\"height\":1440},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/glassfiber.no\\\/produkt\\\/gitterrist-artikkel-nr-15021\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Hjem\",\"item\":\"https:\\\/\\\/glassfiber.no\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"St\u00f8pte gitterrister\",\"item\":\"https:\\\/\\\/glassfiber.no\\\/kategori\\\/stopte-gitterrister\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Artikkel nr. 15021\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/glassfiber.no\\\/#website\",\"url\":\"https:\\\/\\\/glassfiber.no\\\/\",\"name\":\"Glassfiber Produkter\",\"description\":\"COMPOSITE EXPERTISE\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/glassfiber.no\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Grating Article no. 15021 - Fiberglass Products","description":"Strong fiberglass grating with concave, non-slip surface \u2013 corrosion-free, insulating and fire class 1. Article 15021, 25 mm height.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/glassfiber.no\/en\/product\/grating-article-no-15021\/","og_locale":"en_GB","og_type":"article","og_title":"Gitterrist Artikkel nr. 15021 - Glassfiber Produkter","og_description":"Kraftig gitterrist i glassfiber med konkav, sklisikker overflate \u2013 korrosjonsfri, isolerende og brannklasse 1. Artikkel 15021, 25 mm h\u00f8yde.","og_url":"https:\/\/glassfiber.no\/en\/product\/grating-article-no-15021\/","og_site_name":"Glassfiber Produkter","article_modified_time":"2026-08-07T10:21:02+00:00","og_image":[{"width":1920,"height":1440,"url":"https:\/\/glassfiber.no\/wp-content\/uploads\/2aeeeb09-a4de-4219-83f3-ebdb802afbc7.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Estimated reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/glassfiber.no\/produkt\/gitterrist-artikkel-nr-15021\/","url":"https:\/\/glassfiber.no\/produkt\/gitterrist-artikkel-nr-15021\/","name":"Grating Article no. 15021 - Fiberglass Products","isPartOf":{"@id":"https:\/\/glassfiber.no\/#website"},"primaryImageOfPage":{"@id":"https:\/\/glassfiber.no\/produkt\/gitterrist-artikkel-nr-15021\/#primaryimage"},"image":{"@id":"https:\/\/glassfiber.no\/produkt\/gitterrist-artikkel-nr-15021\/#primaryimage"},"thumbnailUrl":"https:\/\/glassfiber.no\/wp-content\/uploads\/2aeeeb09-a4de-4219-83f3-ebdb802afbc7.png","datePublished":"2026-02-26T02:25:19+00:00","dateModified":"2026-08-07T10:21:02+00:00","description":"Strong fiberglass grating with concave, non-slip surface \u2013 corrosion-free, insulating and fire class 1. Article 15021, 25 mm height.","breadcrumb":{"@id":"https:\/\/glassfiber.no\/produkt\/gitterrist-artikkel-nr-15021\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/glassfiber.no\/produkt\/gitterrist-artikkel-nr-15021\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/glassfiber.no\/produkt\/gitterrist-artikkel-nr-15021\/#primaryimage","url":"https:\/\/glassfiber.no\/wp-content\/uploads\/2aeeeb09-a4de-4219-83f3-ebdb802afbc7.png","contentUrl":"https:\/\/glassfiber.no\/wp-content\/uploads\/2aeeeb09-a4de-4219-83f3-ebdb802afbc7.png","width":1920,"height":1440},{"@type":"BreadcrumbList","@id":"https:\/\/glassfiber.no\/produkt\/gitterrist-artikkel-nr-15021\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Hjem","item":"https:\/\/glassfiber.no\/"},{"@type":"ListItem","position":2,"name":"St\u00f8pte gitterrister","item":"https:\/\/glassfiber.no\/kategori\/stopte-gitterrister\/"},{"@type":"ListItem","position":3,"name":"Artikkel nr. 15021"}]},{"@type":"WebSite","@id":"https:\/\/glassfiber.no\/#website","url":"https:\/\/glassfiber.no\/","name":"Fiberglass Products","description":"COMPOSITE EXPERTISE","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/glassfiber.no\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"}]}},"_links":{"self":[{"href":"https:\/\/glassfiber.no\/en\/wp-json\/wp\/v2\/produkt\/1509","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/glassfiber.no\/en\/wp-json\/wp\/v2\/produkt"}],"about":[{"href":"https:\/\/glassfiber.no\/en\/wp-json\/wp\/v2\/types\/produkt"}],"version-history":[{"count":4,"href":"https:\/\/glassfiber.no\/en\/wp-json\/wp\/v2\/produkt\/1509\/revisions"}],"predecessor-version":[{"id":3562,"href":"https:\/\/glassfiber.no\/en\/wp-json\/wp\/v2\/produkt\/1509\/revisions\/3562"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/glassfiber.no\/en\/wp-json\/wp\/v2\/media\/1510"}],"wp:attachment":[{"href":"https:\/\/glassfiber.no\/en\/wp-json\/wp\/v2\/media?parent=1509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/glassfiber.no\/en\/wp-json\/wp\/v2\/categories?post=1509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}