{"id":8929,"date":"2026-03-23T16:30:25","date_gmt":"2026-03-23T15:30:25","guid":{"rendered":"https:\/\/impera.cat\/errors-in-new-construction-that-cause-humidity-what-no-one-tells-you\/"},"modified":"2026-03-23T16:49:09","modified_gmt":"2026-03-23T15:49:09","slug":"errors-in-new-construction-that-cause-humidity-what-no-one-tells-you","status":"publish","type":"post","link":"https:\/\/impera.cat\/en\/errors-in-new-construction-that-cause-humidity-what-no-one-tells-you\/","title":{"rendered":"Errors in new construction that cause humidity: what no one tells you"},"content":{"rendered":"\n<p>When building a new home, most owners assume that everything is done well. But the reality is very different: much of the <strong>moisture in new homes<\/strong> appears due to errors during the construction phase.<\/p>\n\n<p>At <strong>IMPERA<\/strong> , we often come across relatively recent buildings that already have <strong>leaks, condensation or waterproofing problems<\/strong> . The problem is not the passage of time, but incorrect decisions at the key moment.<\/p>\n\n<p><\/p>\n\n<p>If you want to know all the services we offer, you can visit our main page <a href=\"https:\/\/impera.cat\/en\/\">Impera.cat<\/a><\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\"><strong>Why does moisture appear in new construction?<\/strong><\/h4>\n\n<p><\/p>\n\n<p>Despite being a new construction, there are multiple factors that can cause problems:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>lack of control over execution<\/li>\n\n\n\n<li>poor choice of materials<\/li>\n\n\n\n<li>absence of technical details<\/li>\n\n\n\n<li>hurry to finish the work<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>The result: <strong>poor waterproofing<\/strong> that ends up failing.<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\"><strong>The most common mistakes in new construction<\/strong><\/h4>\n\n<p><\/p>\n\n<h5 class=\"wp-block-heading\"><strong>1. Not giving importance to waterproofing<\/strong><\/h5>\n\n<p><\/p>\n\n<p>One of the most serious mistakes is considering <strong>waterproofing<\/strong> as a secondary element within the project.<\/p>\n\n<p>In fact, it is one of the most critical points in ensuring the durability of the building.<\/p>\n\n<p><\/p>\n\n<h5 class=\"wp-block-heading\"><strong>2. Poor execution at critical points<\/strong><\/h5>\n\n<p><\/p>\n\n<p>The most vulnerable points are:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>structural joints<\/li>\n\n\n\n<li>joints between materials<\/li>\n\n\n\n<li>drains<\/li>\n\n\n\n<li>vertical meetings<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>If these points are not treated correctly, leaks appear over time.<\/p>\n\n<p><\/p>\n\n<h5 class=\"wp-block-heading\"><strong>3. Inadequate or poorly applied materials<\/strong><\/h5>\n\n<p><\/p>\n\n<p>Not all systems are suitable for everything.<\/p>\n\n<p>It is common to see:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>membranes applied without sufficient thickness<\/li>\n\n\n\n<li>poorly sealed sheets<\/li>\n\n\n\n<li>absence of reinforcements<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>This compromises the entire <strong>waterproofing of the home<\/strong> .<\/p>\n\n<p><\/p>\n\n<h5 class=\"wp-block-heading\"><strong>4. Lack of slopes and water evacuation<\/strong><\/h5>\n\n<p><\/p>\n\n<p>Poor water management is a structural error.<\/p>\n\n<p>If there is none:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>correct slopes<\/li>\n\n\n\n<li>efficient drainage points<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>  The water accumulates and ends up penetrating.<\/p>\n\n<p><\/p>\n\n<h5 class=\"wp-block-heading\"><strong>5. Not planning waterproofing from the project<\/strong><\/h5>\n\n<p><\/p>\n\n<p>Many times, waterproofing is decided late.<\/p>\n\n<p>It must be part of the project from the beginning, coordinated with architects and industrialists, according to the <strong><a href=\"https:\/\/www.codigotecnico.org\/\">Technical Building Code (CTE).<\/a><\/strong><\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\"><strong>When do problems appear?<\/strong><\/h4>\n\n<p><\/p>\n\n<p>Errors in new construction are not always detected immediately.<\/p>\n\n<p>They often appear:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>after months<\/li>\n\n\n\n<li>after heavy rains<\/li>\n\n\n\n<li>with temperature changes<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>When this happens, the repair is more complex and expensive.<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\"><strong>How to avoid these mistakes?<\/strong><\/h4>\n\n<p><\/p>\n\n<p>The key lies in three factors:<\/p>\n\n<h5 class=\"wp-block-heading\"><strong>\u2714\ufe0f<\/strong> Plan<\/h5>\n\n<p>Define the appropriate system from the project.<\/p>\n\n<h5 class=\"wp-block-heading\"><strong>\u2714\ufe0f Professional execution<\/strong><\/h5>\n\n<p>Correct application with technical control.<\/p>\n\n<h5 class=\"wp-block-heading\"><strong>\u2714\ufe0f Quality materials<\/strong><\/h5>\n\n<p>Adapted to every situation.<\/p>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\"><strong>The hidden cost of doing it wrong<\/strong><\/h4>\n\n<p><\/p>\n\n<p>Many developers or owners seek to reduce construction costs.<\/p>\n\n<p>But in waterproofing:<\/p>\n\n<p>What you save today, you pay back multiplied tomorrow.<\/p>\n\n<p>Common problems:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>complex repairs<\/li>\n\n\n\n<li>interior impact of the home<\/li>\n\n\n\n<li>loss of value of the property<\/li>\n<\/ul>\n\n<p><\/p>\n\n<h4 class=\"wp-block-heading\"><strong>The value of a waterproofing specialist<\/strong><\/h4>\n\n<p><\/p>\n\n<p>Waterproofing is not a generic task within a construction project.<\/p>\n\n<p>Requires:<\/p>\n\n<p><\/p>\n\n<ul class=\"wp-block-list\">\n<li>specific knowledge<\/li>\n\n\n\n<li>experience<\/li>\n\n\n\n<li>detail control<\/li>\n<\/ul>\n\n<p><\/p>\n\n<p>At <strong>IMPERA<\/strong> , we work with a professional approach to avoid these errors from the beginning, offering services in <strong>Catalonia and the Balearic Islands<\/strong> in both new construction and rehabilitation.<\/p>\n\n<p><\/p>\n\n<p>Errors in new construction are more common than you might think, and are often detected when it is too late.<\/p>\n\n<p>Good <strong>waterproofing<\/strong> not only protects the home, but also prevents future problems and guarantees its durability.<\/p>\n\n<p>If you are in the construction phase or have doubts about the condition of your home, it is time to act with professional judgment.<\/p>\n\n<p><\/p>\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>When building a new home, most owners assume that everything is done well. But the reality is very different: much of the moisture in new homes appears due to errors during the construction phase. At IMPERA , we often come across relatively recent buildings that already have leaks, condensation or waterproofing problems . The problem [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8930,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80],"tags":[461,459,458,164,457,463,462,165,460,417],"class_list":["post-8929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-building-pathologies-2","tag-construction-leaks","tag-humidity-new-inhabitant","tag-impera","tag-new-construction-errors","tag-professional-waterproofing-2","tag-structural-problems","tag-waterproofing","tag-waterproofing-balearic-islands-2","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>Errors in new construction that cause humidity: what no one tells you - IMPERA - Impermeabilitzacions i a\u00efllaments d&#039;obra nova, Rehabilitacions<\/title>\n<meta name=\"description\" content=\"Discover the most common errors in new construction that cause humidity and leaks. 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