{"id":10561,"date":"2026-09-08T13:21:45","date_gmt":"2026-09-08T13:21:45","guid":{"rendered":"https:\/\/sleepy-hofstadter.94-76-228-222.plesk.page\/?post_type=faq&#038;p=10561"},"modified":"2026-09-08T13:21:45","modified_gmt":"2026-09-08T13:21:45","slug":"can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof","status":"publish","type":"faq","link":"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/","title":{"rendered":"Can rainwater reach the waterproofing membrane in an inverted roof?"},"content":{"rendered":"<p>Yes. Water can pass through the joints between XPS boards and reach the waterproofing layer below. This behaviour should be considered when calculating the thermal performance and designing the complete inverted roof system.<\/p>\n","protected":false},"author":2,"featured_media":0,"template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"%%title%% %%page%%","_yoast_wpseo_metadesc":"","id_tipo":"","id_traduzione":"","titolo":"","testo":"","ordine":"","visibile":"","immagine":"","prodotti_consigliati":"","seo_link":"","seo_title":"","seo_keywords":"","seo_description":"","_bridge_tax_data":"","_bridge_imported":"","_bridge_source":"","meta_vantaggi":"","meta_posa_opera":"","meta_avvertenze":"","tipo":"","_bridge_import_key":"","id_nota_tecnica":"","id_download":"","file_pdf":0,"id_comunicazione":"","data":"","anno":"","prefisso":"","img":"","id_news":"","alt_text":"","top":"","link":"","link_click":"","galleriaMedia_news":"","id_prodotto":"","_sku":"","nuovo":"","brochure_pdf":0,"certificazione_pdf":0,"proprieta":"","titolo_applicazione_parent":"","brochure":"","titolo_en":"","click":"","seo_link_salva":"","alt_text_salva":"","galleria_media":"","_product_image_gallery":"","certificazioni_pdf":0,"lingua":"","Matchi_en":"","brochure_link":"","certificazione_link":"","_regular_price":"","_sale_price":"","_price":"","_stock":"","_stock_status":"","_sale_price_dates_from":"","_sale_price_dates_to":"","galleria_captions":"","immagine_didascalia":"","_bridge_translation_key":""},"tags":[],"applicazioni":[946],"class_list":["post-10561","faq","type-faq","status-publish","hentry","applicazioni-inverted-roof"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Can rainwater reach the waterproofing membrane in an inverted roof?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can rainwater reach the waterproofing membrane in an inverted roof?\" \/>\n<meta property=\"og:description\" content=\"Yes. Water can pass through the joints between XPS boards and reach the waterproofing layer below. This behaviour should be considered when calculating the thermal performance and designing the complete inverted roof system.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/\" \/>\n<meta property=\"og:site_name\" content=\"Ediltec Insulation\" \/>\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:\\\/\\\/ediltec.com\\\/en\\\/faq-questions-and-answers\\\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\\\/\",\"url\":\"https:\\\/\\\/ediltec.com\\\/en\\\/faq-questions-and-answers\\\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\\\/\",\"name\":\"Can rainwater reach the waterproofing membrane in an inverted roof?\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ediltec.com\\\/en\\\/#website\"},\"datePublished\":\"2026-09-08T13:21:45+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ediltec.com\\\/en\\\/faq-questions-and-answers\\\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ediltec.com\\\/en\\\/faq-questions-and-answers\\\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ediltec.com\\\/en\\\/faq-questions-and-answers\\\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ediltec.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"FAQ - Questions and answers\",\"item\":\"https:\\\/\\\/ediltec.com\\\/en\\\/faq-questions-and-answers\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Can rainwater reach the waterproofing membrane in an inverted roof?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ediltec.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/ediltec.com\\\/en\\\/\",\"name\":\"Ediltec Insulation\",\"description\":\"Solutions for thermal and acoustic insulation.\",\"publisher\":{\"@id\":\"https:\\\/\\\/ediltec.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ediltec.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ediltec.com\\\/en\\\/#organization\",\"name\":\"Ediltec Insulation\",\"url\":\"https:\\\/\\\/ediltec.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ediltec.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/ediltec.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Logo-ediltec.svg\",\"contentUrl\":\"https:\\\/\\\/ediltec.com\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/Logo-ediltec.svg\",\"width\":132,\"height\":38,\"caption\":\"Ediltec Insulation\"},\"image\":{\"@id\":\"https:\\\/\\\/ediltec.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Can rainwater reach the waterproofing membrane in an inverted roof?","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:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/","og_locale":"en_US","og_type":"article","og_title":"Can rainwater reach the waterproofing membrane in an inverted roof?","og_description":"Yes. Water can pass through the joints between XPS boards and reach the waterproofing layer below. This behaviour should be considered when calculating the thermal performance and designing the complete inverted roof system.","og_url":"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/","og_site_name":"Ediltec Insulation","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/","url":"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/","name":"Can rainwater reach the waterproofing membrane in an inverted roof?","isPartOf":{"@id":"https:\/\/ediltec.com\/en\/#website"},"datePublished":"2026-09-08T13:21:45+00:00","breadcrumb":{"@id":"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/can-rainwater-reach-the-waterproofing-membrane-in-an-inverted-roof\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ediltec.com\/en\/"},{"@type":"ListItem","position":2,"name":"FAQ - Questions and answers","item":"https:\/\/ediltec.com\/en\/faq-questions-and-answers\/"},{"@type":"ListItem","position":3,"name":"Can rainwater reach the waterproofing membrane in an inverted roof?"}]},{"@type":"WebSite","@id":"https:\/\/ediltec.com\/en\/#website","url":"https:\/\/ediltec.com\/en\/","name":"Ediltec Insulation","description":"Solutions for thermal and acoustic insulation.","publisher":{"@id":"https:\/\/ediltec.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ediltec.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ediltec.com\/en\/#organization","name":"Ediltec Insulation","url":"https:\/\/ediltec.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ediltec.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/ediltec.com\/wp-content\/uploads\/2026\/04\/Logo-ediltec.svg","contentUrl":"https:\/\/ediltec.com\/wp-content\/uploads\/2026\/04\/Logo-ediltec.svg","width":132,"height":38,"caption":"Ediltec Insulation"},"image":{"@id":"https:\/\/ediltec.com\/en\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/ediltec.com\/en\/wp-json\/wp\/v2\/faq\/10561","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ediltec.com\/en\/wp-json\/wp\/v2\/faq"}],"about":[{"href":"https:\/\/ediltec.com\/en\/wp-json\/wp\/v2\/types\/faq"}],"author":[{"embeddable":true,"href":"https:\/\/ediltec.com\/en\/wp-json\/wp\/v2\/users\/2"}],"wp:attachment":[{"href":"https:\/\/ediltec.com\/en\/wp-json\/wp\/v2\/media?parent=10561"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ediltec.com\/en\/wp-json\/wp\/v2\/tags?post=10561"},{"taxonomy":"applicazioni","embeddable":true,"href":"https:\/\/ediltec.com\/en\/wp-json\/wp\/v2\/applicazioni?post=10561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}