{"id":29159,"date":"2026-09-23T19:29:23","date_gmt":"2026-09-23T17:29:23","guid":{"rendered":"https:\/\/www.projectforbuilding.com\/?post_type=product&#038;p=29159"},"modified":"2026-09-25T12:48:39","modified_gmt":"2026-09-25T10:48:39","slug":"safe-roll-dimpled-membrane-for-below-ground-walls-copia","status":"publish","type":"product","link":"https:\/\/www.projectforbuilding.com\/en\/products\/construction\/safe-roll-dimpled-membrane-for-below-ground-walls-copia\/","title":{"rendered":"SAFE ROLL &#8211; dimpled membrane for below-ground walls (Copia)"},"content":{"rendered":"\t\t<div data-elementor-type=\"product-post\" data-elementor-id=\"29159\" class=\"elementor elementor-29159 elementor-29157\" data-elementor-post-type=\"product\">\n\t\t\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-top-section elementor-element elementor-element-3ef7bf02 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ef7bf02\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5ae120b4\" data-id=\"5ae120b4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-54c482b8 color-scheme-inherit text-left elementor-widget elementor-widget-text-editor\" data-id=\"54c482b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Safe Roll is a special dimpled membrane designed to protect underground walls. The &#8220;dimples&#8221;, truncated-cone protrusions that characterize the product, create air gaps within the insulating layer, allowing water to drain outward.<\/h3><p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">The <strong>dimpled membrane<\/strong> provides permanent mechanical protection and also <strong>shields the bituminous insulation layer<\/strong> from damage during backfilling of foundations and in the event of building settlement.<\/span><\/p><p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">It is installed like a waterproofing product but also <strong>ensures proper ventilation of the external foundation wall<\/strong>.<\/span><\/p><p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">This is a <strong>non-biodegradable material<\/strong>, resistant to chemical compounds, fungi, bacteria, and root growth. It <strong>maintains its properties over time<\/strong> and does not contaminate water it comes into contact with.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-top-section elementor-element elementor-element-f19a2e9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f19a2e9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d72e5fd\" data-id=\"d72e5fd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7aea14a wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"7aea14a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;highlighted_vertical_offset&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;highlighted_vertical_offset_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;highlighted_vertical_offset_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-large text-center\">\n\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"title-subtitle subtitle-color-default subtitle-style-default wd-fontsize-xs\">\n\t\t\t\t\tFAQ - FREQUENTLY ASKED QUESTIONS\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h2 class=\"woodmart-title-container title wd-fontsize-xxl\">Frequently asked questions about SAFE ROLL<\/h2> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t<div class=\"title-after_title reset-last-child wd-fontsize-s\">\n\t\t\t\t\t<p>SAFE ROLL is an HDPE dimpled membrane designed to protect waterproofing during backfilling by distributing soil pressure and creating a micro air cavity.<\/p>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcd825d elementor-widget elementor-widget-wd_accordion\" data-id=\"bcd825d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-accordion wd-style-shadow wd-titles-left wd-opener-pos-left wd-opener-style-arrow\" data-state=\"first\">\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn wd-active\" data-accordion-index=\"0\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tWhat is the mechanical strength of SAFE ROLL?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content wd-active\" data-accordion-index=\"0\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p>The membrane has a compressive strength of approximately 230 kN\/m\u00b2 and can be used in below-ground structures up to 5 metres deep, depending on the project design conditions.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\n\t\t\t\t<div class=\"wd-accordion-item\">\n\t\t\t\t\t<div class=\"wd-accordion-title wd-role-btn\" data-accordion-index=\"1\" tabindex=\"0\">\n\t\t\t\t\t\t<div class=\"wd-accordion-title-text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span>\n\t\t\t\t\t\t\t\tWhen should SAFE ROLL be chosen instead of a structured panel?\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<span class=\"wd-accordion-opener\"><\/span>\n\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<div class=\"wd-accordion-content wd-entry-content\" data-accordion-index=\"1\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t<p data-start=\"68\" data-end=\"185\">SAFE ROLL is the ideal choice when waterproofing protection is required without increasing the overall thickness.<\/p><p data-start=\"187\" data-end=\"340\" data-is-last-node=\"\" data-is-only-node=\"\">Where greater physical separation from the soil and enhanced drainage performance are needed, a system such as SKUDO may be a more suitable solution.<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"wd-negative-gap elementor-section elementor-inner-section elementor-element elementor-element-c72aaee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c72aaee\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-14a5f4d\" data-id=\"14a5f4d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aa1c3ab wd-width-100 elementor-widget elementor-widget-wd_title\" data-id=\"aa1c3ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;highlighted_vertical_offset&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;highlighted_vertical_offset_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;highlighted_vertical_offset_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"wd_title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"title-wrapper wd-set-mb reset-last-child wd-title-color-default wd-title-style-default wd-title-size-small text-center\">\n\n\t\t\t\n\t\t\t<div class=\"liner-continer\">\n\t\t\t\t<h4 class=\"woodmart-title-container title wd-fontsize-m\">To compare the solutions and choose the most suitable one,<br>read the full technical FAQ.<\/h4> \n\t\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ec10070 elementor-widget elementor-widget-wd_button\" data-id=\"ec10070\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-button-wrapper text-center\" >\n\t\t\t<a class=\"btn btn-style-default btn-shape-rectangle btn-size-extra-large btn-color-primary btn-icon-pos-right\"  href=\"https:\/\/www.projectforbuilding.com\/en\/faq-construction-products\/#saferoll\">\n\t\t\t\t<span class=\"wd-btn-text\" data-elementor-setting-key=\"text\">\n\t\t\t\t\tGo to the FAQ on below-ground wall protection\t\t\t\t<\/span>\n\n\t\t\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<h3>Safe Roll is a special dimpled membrane designed to protect underground walls. The &#8220;dimples&#8221;, truncated-cone protrusions that characterize the product, create air gaps within the insulating layer, allowing water to drain outward.<\/h3>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">The <strong>dimpled membrane<\/strong> provides permanent mechanical protection and also <strong>shields the bituminous insulation layer<\/strong> from damage during backfilling of foundations and in the event of building settlement.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">It is installed like a waterproofing product but also <strong>ensures proper ventilation of the external foundation wall<\/strong>.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 17px; color: #524f4f;\">This is a <strong>non-biodegradable material<\/strong>, resistant to chemical compounds, fungi, bacteria, and root growth. It <strong>maintains its properties over time<\/strong> and does not contaminate water it comes into contact with.<\/span><\/p>\n","protected":false},"featured_media":29235,"template":"","meta":[],"product_brand":[],"product_cat":[172],"product_tag":[],"class_list":["post-29159","product","type-product","status-publish","has-post-thumbnail","product_cat-construction","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SAFE ROLL - dimpled membrane for below-ground walls (Copia) - Project for Building - Innovative products for the building industry<\/title>\n<meta name=\"description\" content=\"Safe Roll by Project For Building is a dimpled membrane for below-ground walls, designed to protect waterproofing systems and support drainage in underground applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.projectforbuilding.com\/en\/products\/construction\/safe-roll-dimpled-membrane-for-below-ground-walls-copia\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SAFE ROLL - dimpled membrane for below-ground walls (Copia) - Project for Building - Innovative products for the building industry\" \/>\n<meta property=\"og:description\" content=\"Safe Roll by Project For Building is a dimpled membrane for below-ground walls, designed to protect waterproofing systems and support drainage in underground applications.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.projectforbuilding.com\/en\/products\/construction\/safe-roll-dimpled-membrane-for-below-ground-walls-copia\/\" \/>\n<meta property=\"og:site_name\" content=\"Project for Building - Innovative products for the building industry\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/projectforbuilding\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-25T10:48:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.projectforbuilding.com\/wp-content\/uploads\/2026\/09\/Project-for-Building-Rapido-pre-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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:\\\/\\\/www.projectforbuilding.com\\\/en\\\/products\\\/construction\\\/safe-roll-dimpled-membrane-for-below-ground-walls-copia\\\/\",\"url\":\"https:\\\/\\\/www.projectforbuilding.com\\\/en\\\/products\\\/construction\\\/safe-roll-dimpled-membrane-for-below-ground-walls-copia\\\/\",\"name\":\"SAFE ROLL - 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