{"id":8807,"date":"2026-03-06T13:05:39","date_gmt":"2026-03-06T12:05:39","guid":{"rendered":"https:\/\/impera.cat\/waterproofing-walkable-terraces-systems-materials-and-mistakes-to-avoid\/"},"modified":"2026-03-06T13:09:30","modified_gmt":"2026-03-06T12:09:30","slug":"waterproofing-walkable-terraces-systems-materials-and-mistakes-to-avoid","status":"publish","type":"post","link":"https:\/\/impera.cat\/en\/waterproofing-walkable-terraces-systems-materials-and-mistakes-to-avoid\/","title":{"rendered":"Waterproofing walkable terraces: systems, materials and mistakes to avoid"},"content":{"rendered":"\n<p>Walkable terraces are one of the most sensitive points of a building in terms of water leaks. Over the years, temperature changes, heavy rain and wear and tear on materials can cause cracks, deterioration of membranes and, consequently, <strong>leaks and humidity inside homes<\/strong> .<\/p>\n\n<p>For this reason, <strong>professional waterproofing of walkable terraces<\/strong> is key to guaranteeing the durability of the building and avoiding costly repairs in the future.<\/p>\n\n<p>In specialized companies such as <strong>IMPERA Impermeabilitzacions<\/strong> , which work in <strong>Catalonia and the Balearic Islands<\/strong> , the study of the construction system and the condition of the support is essential to apply the most appropriate solution in each case.<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\">What is a walkable terrace?<\/h4>\n\n<p><\/p>\n\n<p>A walkable terrace is a roof surface designed to be used regularly by people. It is very common in:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>single-family homes<\/li>\n\n\n\n<li>penthouses and duplexes<\/li>\n\n\n\n<li>community terraces<\/li>\n\n\n\n<li>roofs of residential buildings<\/li>\n\n\n\n<li>outdoor spaces in hotels or public buildings<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>Unlike other roofs, these surfaces are subject to <strong>constant traffic<\/strong> , outdoor furniture, planters or installations, which requires <strong>particularly resistant waterproofing<\/strong> .<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\">Why is it so important to properly waterproof a terrace?<\/h4>\n\n<p><\/p>\n\n<p>Poor waterproofing can cause significant problems over time.<\/p>\n\n<p>Among the most common we find:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>water leaks to the lower floors<\/strong><\/li>\n\n\n\n<li>deterioration of the concrete structure<\/li>\n\n\n\n<li>appearance of dampness and mold<\/li>\n\n\n\n<li>removal of coatings<\/li>\n\n\n\n<li>increased maintenance costs<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>When these pathologies appear, it is often necessary to carry out a <strong>complete rehabilitation of the roof<\/strong> , an intervention that can be much more expensive than preventive waterproofing.<\/p>\n\n<p>For this reason, specialists recommend periodically checking the condition of the terraces and acting before leaks appear.<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\">Waterproofing systems for walkable terraces<\/h4>\n\n<p><\/p>\n\n<p>Depending on the characteristics of the roof, professionals can apply different <strong>terrace waterproofing<\/strong> systems.<\/p>\n\n<h5 class=\"wp-block-heading\">Bituminous membranes ( <a href=\"https:\/\/impera.cat\/en\/new-build\/asphalt-sheet-waterproofing\/\">asphalt sheet<\/a> )<\/h5>\n\n<p>It is one of the most used systems in building renovation.<\/p>\n\n<p>It consists of the application of <strong>thermo-welded asphalt sheets<\/strong> , which create a continuous barrier against water.<\/p>\n\n<p>Its main advantages are:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>great resistance<\/li>\n\n\n\n<li>high durability<\/li>\n\n\n\n<li>good behavior against temperature changes<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>This system is common in <strong>rehabilitation projects for community roofs and terraces<\/strong> .<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\">Liquid waterproofing with resins<\/h4>\n\n<p><\/p>\n\n<p>Another increasingly used option is <strong>waterproofing with liquid membranes<\/strong> , which are applied directly to the support.<\/p>\n\n<p>This system allows you to create a continuous layer without joints, adapting perfectly to irregular surfaces.<\/p>\n\n<p>Among its advantages are:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>great elasticity<\/li>\n\n\n\n<li>ease of application<\/li>\n\n\n\n<li>adaptation to complex surfaces<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>It is especially useful on terraces with many installations or construction details.<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\">Floating floor systems<\/h4>\n\n<p><\/p>\n\n<p>On high-level walkable terraces, systems with <strong>raised or floating floors<\/strong> are often used.<\/p>\n\n<p>In this case, the waterproofing is protected under the pavement, which improves its durability.<\/p>\n\n<p>This type of solution is common in:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>hotel terraces<\/li>\n\n\n\n<li>luxury buildings<\/li>\n\n\n\n<li>large communal terraces<\/li>\n<\/ul>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\">Common errors in terrace waterproofing<\/h4>\n\n<p><\/p>\n\n<p>One of the main problems detected by specialized companies is that many terraces have been waterproofed with <strong>improvised or unprofessional solutions<\/strong> .<\/p>\n\n<p>Some of the most common errors are:<\/p>\n\n<p><\/p>\n\n<h5 class=\"wp-block-heading\">One-time repairs<\/h5>\n\n<p><\/p>\n\n<p>Applying superficial products only to the affected area often <strong>does not solve the source of the problem<\/strong> .<\/p>\n\n<p>Water can continue to seep through other points on the roof.<\/p>\n\n<p><\/p>\n\n<h5 class=\"wp-block-heading\">Lack of support preparation<\/h5>\n\n<p><\/p>\n\n<p>Before waterproofing, it is essential to properly prepare the surface.<\/p>\n\n<p>It is necessary:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>repair cracks<\/li>\n\n\n\n<li>remove leftover materials<\/li>\n\n\n\n<li>ensure good adhesion<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>Without this preparation, the waterproofing can fail in a short time.<\/p>\n\n<p><\/p>\n\n<h5 class=\"wp-block-heading\">Insufficient slopes<\/h5>\n\n<p><\/p>\n\n<p>Another common cause of leaks is <strong>poor water drainage<\/strong> .<\/p>\n\n<p>If the terrace does not have the appropriate slope, permanent puddles can form that deteriorate the materials.<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\">Maintenance of waterproofed terraces<\/h4>\n\n<p><\/p>\n\n<p>Although professional waterproofing can last many years, it is advisable to carry out <strong>periodic inspections<\/strong> .<\/p>\n\n<p>Among the most important maintenance tasks are:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>drain cleaning<\/li>\n\n\n\n<li>board review<\/li>\n\n\n\n<li>crack control<\/li>\n\n\n\n<li>inspection of singular points<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>These reviews allow problems to be detected before they become major leaks.<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\">Professional waterproofing in Catalonia and the Balearic Islands<\/h4>\n\n<p><\/p>\n\n<p>Each building has different characteristics, which is why the <strong>waterproofing of walkable terraces<\/strong> must always be studied by specialized professionals.<\/p>\n\n<p>At <strong><a href=\"https:\/\/impera.cat\/en\/\">IMPERA Impermeabilitzacions<\/a><\/strong> , we work on <strong>new construction and renovation projects in Catalonia and the Balearic Islands<\/strong> , analyzing each case to determine the most appropriate system.<\/p>\n\n<p>Our technical team studies:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>the status of the support<\/li>\n\n\n\n<li>the construction system<\/li>\n\n\n\n<li>the weather conditions<\/li>\n\n\n\n<li>use of the terrace<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>Based on this analysis, we propose the most durable and efficient waterproofing solution.<\/p>\n\n<p><\/p>\n\n<p>Walkable terraces are a key part of any building and require adequate waterproofing to prevent leaks and structural damage.<\/p>\n\n<p>Choosing the correct system, properly preparing the support and having specialized professionals is essential to guarantee the durability of the roof.<\/p>\n\n<p><strong>Professional terrace waterproofing<\/strong> not only protects the building, but also prevents future problems and ensures peace of mind for the owners.<\/p>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Walkable terraces are one of the most sensitive points of a building in terms of water leaks. Over the years, temperature changes, heavy rain and wear and tear on materials can cause cracks, deterioration of membranes and, consequently, leaks and humidity inside homes . For this reason, professional waterproofing of walkable terraces is key to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8808,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80],"tags":[420,413,415,419,414,411,412,418,416,417],"class_list":["post-8807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-impera-waterproofing","tag-roof-waterproofing-2","tag-terrace-leaks","tag-terrace-maintenance-2","tag-terrace-rehabilitation","tag-terrace-waterproofing","tag-walkable-terraces","tag-waterproofing-balearic-islands","tag-waterproofing-buildings","tag-waterproofing-catalonia"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Waterproofing walkable terraces: systems, materials and mistakes to avoid - IMPERA - Impermeabilitzacions i a\u00efllaments d&#039;obra nova, Rehabilitacions<\/title>\n<meta name=\"description\" content=\"Discover how to properly waterproof a walkable terrace, what systems exist and what errors can cause leaks in buildings.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/impera.cat\/en\/waterproofing-walkable-terraces-systems-materials-and-mistakes-to-avoid\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Waterproofing walkable terraces: systems, materials and mistakes to avoid - 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