{"id":3071,"date":"2024-11-14T16:08:50","date_gmt":"2024-11-14T16:08:50","guid":{"rendered":"https:\/\/ikoknowledgecenter.com\/docs\/uncategorized\/is-pir-insulation-suitable-for-insulating-foundations\/"},"modified":"2025-06-13T12:14:41","modified_gmt":"2025-06-13T12:14:41","password":"","slug":"is-pir-insulation-suitable-for-insulating-foundations","status":"publish","type":"docs","link":"https:\/\/ikoknowledgecenter.com\/en\/docs\/insulation\/is-pir-insulation-suitable-for-insulating-foundations\/","title":{"rendered":"Is PIR insulation suitable for insulating foundations?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Yes<\/strong>, <a href=\"https:\/\/eu.iko.com\/en\/product\/insulation\/iko-enertherm-alu\/\" target=\"_blank\" rel=\"noopener\"><strong>IKO enertherm PIR insulation<\/strong><\/a> can be used for insulating foundations, provided that the boards are properly protected against groundwater.<\/p>\n\n<p class=\"wp-block-paragraph\">PIR insulation is not waterproof and loses its <strong>thermal and mechanical performance<\/strong> when exposed to moisture for extended periods. Therefore, it is essential to apply a <strong data-start=\"423\" data-end=\"457\">bituminous waterproofing layer<\/strong> (single- or double-layer) on top of the insulation.<\/p>\n\n<p class=\"wp-block-paragraph\">Since foundation insulation is installed vertically, <strong data-start=\"564\" data-end=\"609\">mechanical fastening of the waterproofing<\/strong> is necessary to prevent detachment.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong data-start=\"647\" data-end=\"662\">Conclusion:<\/strong> PIR is suitable for foundation insulation, <strong data-start=\"706\" data-end=\"758\">as long as it is correctly protected and secured<\/strong>. For proper system design and product selection, please <a href=\"https:\/\/ikoknowledgecenter.com\/en\/contact\/\">contact<\/a> your IKO representative.<\/p>\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"819\" height=\"1024\" src=\"https:\/\/ikoknowledgecenter.com\/wp-content\/uploads\/2024\/11\/ALU-1-1-819x1024.jpg\" alt=\"\" class=\"wp-image-3197\" style=\"width:274px;height:auto\" srcset=\"https:\/\/ikoknowledgecenter.com\/wp-content\/uploads\/2024\/11\/ALU-1-1-819x1024.jpg 819w, https:\/\/ikoknowledgecenter.com\/wp-content\/uploads\/2024\/11\/ALU-1-1-240x300.jpg 240w, https:\/\/ikoknowledgecenter.com\/wp-content\/uploads\/2024\/11\/ALU-1-1-768x960.jpg 768w, https:\/\/ikoknowledgecenter.com\/wp-content\/uploads\/2024\/11\/ALU-1-1-1229x1536.jpg 1229w, https:\/\/ikoknowledgecenter.com\/wp-content\/uploads\/2024\/11\/ALU-1-1-1638x2048.jpg 1638w, https:\/\/ikoknowledgecenter.com\/wp-content\/uploads\/2024\/11\/ALU-1-1-360x450.jpg 360w, https:\/\/ikoknowledgecenter.com\/wp-content\/uploads\/2024\/11\/ALU-1-1-scaled.jpg 2048w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><figcaption class=\"wp-element-caption\"><em>IKO Enertherm ALU<\/em><\/figcaption><\/figure>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yes, IKO enertherm PIR insulation can be used for insulating foundations, provided that the boards are properly protected against groundwater. PIR insulation is not waterproof and loses its thermal and mechanical performance when exposed to moisture for extended periods. Therefore, it is essential to apply a bituminous waterproofing layer (single- or double-layer) on top of [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3193,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":"","_members_access_role":[],"_members_access_error":""},"doc_category":[331],"doc_tag":[919,936,333,338,334],"glossaries":[],"class_list":["post-3071","docs","type-docs","status-publish","has-post-thumbnail","hentry","doc_category-insulation","doc_tag-foundation","doc_tag-groundwater","doc_tag-iko-enertherm-en","doc_tag-mechanical-fastening","doc_tag-pir-en"],"year_month":"2026-10","word_count":104,"total_views":"580","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"Luna Degraeve","author_nicename":"luna","author_url":"https:\/\/ikoknowledgecenter.com\/en\/author\/luna\/"},"doc_category_info":[{"term_name":"Insulation","term_url":"https:\/\/ikoknowledgecenter.com\/en\/docs-category\/insulation\/"}],"doc_tag_info":[{"term_name":"foundation","term_url":"https:\/\/ikoknowledgecenter.com\/en\/docs-tag\/foundation\/"},{"term_name":"groundwater","term_url":"https:\/\/ikoknowledgecenter.com\/en\/docs-tag\/groundwater\/"},{"term_name":"IKO Enertherm","term_url":"https:\/\/ikoknowledgecenter.com\/en\/docs-tag\/iko-enertherm-en\/"},{"term_name":"mechanical fastening","term_url":"https:\/\/ikoknowledgecenter.com\/en\/docs-tag\/mechanical-fastening\/"},{"term_name":"pir","term_url":"https:\/\/ikoknowledgecenter.com\/en\/docs-tag\/pir-en\/"}],"knowledge_base_info":[],"knowledge_base_slug":[],"_links":{"self":[{"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/docs\/3071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/comments?post=3071"}],"version-history":[{"count":3,"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/docs\/3071\/revisions"}],"predecessor-version":[{"id":3209,"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/docs\/3071\/revisions\/3209"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/media\/3193"}],"wp:attachment":[{"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/media?parent=3071"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/doc_category?post=3071"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/doc_tag?post=3071"},{"taxonomy":"glossaries","embeddable":true,"href":"https:\/\/ikoknowledgecenter.com\/en\/wp-json\/wp\/v2\/glossaries?post=3071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}