{"id":8689,"date":"2026-03-01T16:28:30","date_gmt":"2026-03-01T15:28:30","guid":{"rendered":"https:\/\/clusterdapizarra.com\/calidad\/"},"modified":"2026-02-24T22:17:12","modified_gmt":"2026-02-24T21:17:12","slug":"quality","status":"publish","type":"page","link":"https:\/\/clusterdapizarra.com\/en\/quality\/","title":{"rendered":"Quality"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div style=\"\" class=\"vc_row wpb_row vc_row-fluid\"><div class=\"row-inner\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"vc_empty_space\"   style=\"height: 70px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><\/div><\/div><\/div><\/div><\/div><div style=\"\" class=\"vc_row wpb_row vc_row-fluid\"><div class=\"row-inner\"><div class=\"wpb_column vc_column_container vc_col-sm-8\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><h2 style=\"text-align: left\" class=\"vc_custom_heading vc_do_custom_heading\" >QUALITY<\/h2><div class=\"vc_empty_space\"   style=\"height: 20px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>The increasing use of slate and natural stone in modern buildings has led to higher demand for these materials and increased competition, resulting in ever-greater quality requirements, such as CE marking or accreditation by ENAC (National Accreditation Entity).<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 30px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>The Laboratory of the Slate Technology Centre has held this latter accreditation since 2007, currently certifying five slate roofing tests.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 30px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>The need to know the characteristics and performance of each product is also driven by saturated markets and the emergence of new competing countries such as China or Brazil, in addition to strict environmental regulations\u2014factors that have also boosted the commitment to technological innovation.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<div class=\"vc_empty_space\"   style=\"height: 50px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n<!-- BEGIN .imagebox -->\n<div class=\"imagebox style2\">\n\t\n\t\t<div class=\"box-header\">\n\t\t\t<h3 class=\"box-title\">\n\t\t\t\t<a href=\"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2025\/01\/acreditacionenac.pdf\" target=\"_blank\">\n\t\t\t\t\tENAC Accreditation.\t\t\t\t<\/a>\n\t\t\t<\/h3>\n\n\t\t\t\t\t\t\t<span class=\"box-subtitle\">\n\t\t\t\t\tENAC Accreditation. Slate Technology Centre Foundation\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-content\"><p><strong><a href=\"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2025\/01\/acreditacionenac.pdf\" target=\"_blank\" rel=\"noopener\">See .Pdf<\/a><\/strong><\/p>\n<\/div>\n\n\t\t<div class=\"box-image\">\n\t\t\t<a href=\"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2025\/01\/acreditacionenac.pdf\" target=\"_blank\">\n\t\t\t\t\n\t\t\t\t<img decoding=\"async\" class=\"\" src=\"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2025\/01\/Acreditacion-Enac.jpg\" width=\"255\" height=\"360\" alt=\"Acreditaci\u00f3n Enac\" title=\"Acreditaci\u00f3n Enac\" loading=\"lazy\" \/>\t\t\t<\/a>\n\t\t<\/div>\n\t<\/div>\n<!-- End .imagebox -->\n<div class=\"vc_empty_space\"   style=\"height: 30px\"><span class=\"vc_empty_space_inner\"><\/span><\/div>\n<!-- BEGIN .imagebox -->\n<div class=\"imagebox style2\">\n\t\n\t\t<div class=\"box-header\">\n\t\t\t<h3 class=\"box-title\">\n\t\t\t\t<a href=\"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2025\/01\/alcanceacreditacionenac.pdf\" target=\"_blank\">\n\t\t\t\t\tTechnical Annex.\t\t\t\t<\/a>\n\t\t\t<\/h3>\n\n\t\t\t\t\t\t\t<span class=\"box-subtitle\">\n\t\t\t\t\tYou can download here the document explaining the scope of our accreditation.\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-content\"><p><strong><a href=\"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2025\/01\/alcanceacreditacionenac.pdf\" target=\"_blank\" rel=\"noopener\">See .Pdf<\/a><\/strong><\/p>\n<\/div>\n\n\t\t<div class=\"box-image\">\n\t\t\t<a href=\"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2025\/01\/alcanceacreditacionenac.pdf\" target=\"_blank\">\n\t\t\t\t\n\t\t\t\t<img decoding=\"async\" class=\"\" src=\"https:\/\/clusterdapizarra.com\/wp-content\/uploads\/2025\/01\/Alcance-Acreditacion-Enac.jpg\" width=\"255\" height=\"361\" alt=\"Alcance Acreditaci\u00f3n Enac\" title=\"Alcance Acreditaci\u00f3n Enac\" loading=\"lazy\" \/>\t\t\t<\/a>\n\t\t<\/div>\n\t<\/div>\n<!-- End .imagebox -->\n<div class=\"vc_empty_space\"   style=\"height: 50px\"><span class=\"vc_empty_space_inner\"><\/span><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"QUALITY The increasing use of slate and natural stone in modern buildings has led to higher demand for these materials and increased competition, resulting in ever-greater quality requirements, such as CE marking or accreditation by ENAC (National Accreditation Entity). The Laboratory of the Slate Technology Centre has held this latter accreditation since 2007, currently certifying [...]","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-8689","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quality and Certification of Galician Slate | Slate Cluster<\/title>\n<meta name=\"description\" content=\"Galician slate is synonymous with world-class quality. Our certifications (CE, NF, DAP) guarantee a durable, sustainable, and reliable product.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/clusterdapizarra.com\/en\/quality\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quality and Certification of Galician Slate | Slate Cluster\" \/>\n<meta property=\"og:description\" content=\"Galician slate is synonymous with world-class quality. Our certifications (CE, NF, DAP) guarantee a durable, sustainable, and reliable product.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/clusterdapizarra.com\/en\/quality\/\" \/>\n<meta property=\"og:site_name\" content=\"Cluster da Pizarra de Galicia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/clusterdapizarra\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@clusterpizarra\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/en\\\/quality\\\/\",\"url\":\"https:\\\/\\\/clusterdapizarra.com\\\/en\\\/quality\\\/\",\"name\":\"Quality and Certification of Galician Slate | Slate Cluster\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/clusterdapizarra.com\\\/#website\"},\"datePublished\":\"2026-03-01T15:28:30+00:00\",\"description\":\"Galician slate is synonymous with world-class quality. 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