{"id":191631,"date":"2026-07-13T16:50:00","date_gmt":"2026-07-13T14:50:00","guid":{"rendered":"https:\/\/faveker.com\/sin-categorizar\/olas-calor-corrosion-costera-proteger-fachada\/"},"modified":"2026-07-15T13:20:53","modified_gmt":"2026-07-15T11:20:53","slug":"heatwaves-coastal-corrosion-protect-facade","status":"publish","type":"post","link":"https:\/\/faveker.com\/en\/blog\/heatwaves-coastal-corrosion-protect-facade\/","title":{"rendered":"Heatwaves and Coastal Corrosion: How to Protect Your Building&#8217;s Fa\u00e7ade from Extreme Weather"},"content":{"rendered":"<p>[vc_row][vc_column][vc_column_text]The appeal of living or vacationing by the sea remains as strong as ever. In fact, demand for <strong>second homes<\/strong> continues to grow: <strong>property transactions increased<\/strong> by 3.3% <strong>year-on-year in 2025<\/strong> across Spain&#8217;s Mediterranean coastal provinces, the southern regions and the islands, according to the latest <a href=\"https:\/\/www.bde.es\/webbe\/es\/estadisticas\/compartido\/datos\/pdf\/si_1_5.pdf\"><strong>Real Estate Market Indicators<\/strong> published by the Bank of Spain.<\/a><\/p>\n<p>However, this strong demand coexists with a far less visible and much more concerning reality: the <strong>construction boom of the 1970s and 1980s<\/strong> left behind an ageing building stock that is now showing its vulnerabilities. <strong>Nearly half of all coastal buildings (49.3%) were built before 1980.<\/strong> These <strong>ageing residential buildings<\/strong> are now exposed to climate conditions they were never designed to withstand: extreme heatwaves and a relentless marine environment. Today, preventing the deterioration of this building stock and restoring indoor comfort has become one of the greatest challenges facing architecture and building rehabilitation.[\/vc_column_text]<style>.ld_spacer_6a57d57f8516b{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f8516b\"><\/div>[vc_column_text]\ud83d\udd17 <strong>MAIN GUIDE:<\/strong> Climate-proofing the building envelope is the most effective way to safeguard your property. Discover our comprehensive analysis of building pathologies, regulations and energy efficiency in our article <a href=\"https:\/\/faveker.com\/en\/blog\/tips-before-facade-rehabilitation\/\">The Impact of Extreme Weather on Buildings: A Rehabilitation Guide to Protecting and Enhancing Property Value.<\/a>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<h2 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">The Challenge of Coastal Building Rehabilitation: Progress at Two Different Speeds<\/span><\/strong><\/h2>\n<p>[\/vc_column_text][vc_row_inner][vc_column_inner]<style>.ld_spacer_6a57d57f852a9{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f852a9\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]Despite the clear need to <strong>upgrade this ageing housing stock<\/strong>, the pace of <strong>rehabilitation <\/strong>remains insufficient and varies considerably from one region to another.<\/p>\n<p>According to <a href=\"https:\/\/www.transportes.gob.es\/\">Spain&#8217;s Ministry of Transport and Sustainable Mobility<\/a>, while residential rehabilitation permits increased by 1.8% nationwide in 2025 compared to the previous year, <strong>coastal areas present contrasting trends.<\/strong><\/p>\n<p>On the one hand, significant increases were recorded in the Balearic Islands (18.2%), Lugo (17.1%), Barcelona (16.3%), C\u00e1diz (15.3%) and Alicante (12%). On the other hand, several highly exposed coastal regions experienced notable declines, including Biscay (-26.7%), Gipuzkoa (-10.8%), Almer\u00eda (-7.9%) and Valencia (-7.7%).<\/p>\n<p>Against this backdrop of increasing vulnerability, it is essential to adopt <strong>advanced technical strategies for coastal rehabilitation projects<\/strong>. These solutions must withstand an environment where <strong>humidity, salt-laden air and intense solar radiation <\/strong>continuously affect building structures. Traditional construction systems are increasingly unable to cope with two critical challenges:[\/vc_column_text]<style>.ld_spacer_6a57d57f85367{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85367\"><\/div>[vc_column_text]<\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">Chloride Corrosion and Salt-Induced Deterioration<\/span><\/strong><\/h3>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f85440{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85440\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]<strong>Sea breezes<\/strong> carry moisture laden with salt particles that penetrate the pores of conventional stuccos and paints. As the water evaporates, the salts crystallize within the building envelope, expanding in volume and causing <strong>cracks, surface spalling and the corrosion<\/strong> of internal steel reinforcement.[\/vc_column_text]<style>.ld_spacer_6a57d57f8550d{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f8550d\"><\/div>[vc_column_text]<\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">Overheating Caused by Solar Radiation and Lack of Thermal Mass<\/span><\/strong><\/h3>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f855b7{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f855b7\"><\/div>[\/vc_column_inner][\/vc_row_inner][vc_column_text el_class=&#8221;fs-16&#8243;]During heatwaves, <strong>fa\u00e7ades without adequate insulation<\/strong> absorb large amounts of solar heat. Without sufficient thermal resistance, they transfer this heat into the building, raising indoor temperatures and significantly increasing the demand for air conditioning and cooling.[\/vc_column_text]<style>.ld_spacer_6a57d57f85658{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85658\"><\/div>[vc_single_image image=&#8221;189767&#8243; img_size=&#8221;large&#8221;]<style>.ld_spacer_6a57d57f856f9{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f856f9\"><\/div>[\/vc_column][\/vc_row][vc_row][vc_column]<style>.ld_spacer_6a57d57f85798{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85798\"><\/div>[vc_column_text]<\/p>\n<h2 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">Extruded Ceramic Ventilated Fa\u00e7ades: The Ultimate Shield Against the Marine Environment<br \/>\n<\/span><\/strong><\/h2>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f85849{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85849\"><\/div>[vc_row_inner][vc_column_inner]<style>.ld_spacer_6a57d57f858fd{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f858fd\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]Unlike externally bonded insulation systems, which can deteriorate rapidly in coastal environments, <a href=\"https:\/\/faveker.com\/en\/ventilated-facade\/\">ventilated fa\u00e7ades with extruded ceramic cladding<\/a> have become one of the most effective technical solutions for coastal architecture.<\/p>\n<p>Their multi-layer design acts as a true protective envelope, combining innovation with exceptional durability:[\/vc_column_text]<style>.ld_spacer_6a57d57f8599e{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f8599e\"><\/div>[vc_column_text]<\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">1. Complete Protection Against Salt-Induced Deterioration<\/span><\/strong><\/h3>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f85a39{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85a39\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]High-performance <a href=\"https:\/\/faveker.com\/en\/blog\/why-choose-porcelain-tile-outdoor-facade\/\">extruded porcelain stoneware<\/a> has an extremely low water absorption rate\u2014less than 0.5% by mass and 0% on its external surface thanks to the ceramic vitrification process. As an inert, non-porous architectural material, it is <strong>unaffected by salt spray and moisture<\/strong>. This virtually eliminates the risk of efflorescence, surface deterioration and cladding failure while providing long-term protection for the structural wall.[\/vc_column_text]<style>.ld_spacer_6a57d57f85ad3{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85ad3\"><\/div>[vc_column_text]<\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">Ventilated Cavity and Chimney Effect to Reduce Heat Stress<\/span><\/strong><\/h3>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f85b9a{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85b9a\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]The <strong>gap between the ceramic cladding and the building<\/strong> creates a continuously ventilated air cavity. When solar radiation heats the external surface, the warm air inside the cavity rises naturally through the chimney effect, removing heat before it reaches the building envelope. This passive cooling mechanism, combined with the high thermal inertia of extruded ceramic, helps maintain stable indoor temperatures and significantly reduces cooling demand during periods of extreme heat.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner]<style>.ld_spacer_6a57d57f85c5a{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85c5a\"><\/div>[vc_single_image image=&#8221;189789&#8243; img_size=&#8221;large&#8221;]<style>.ld_spacer_6a57d57f85d0d{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85d0d\"><\/div>[vc_column_text]<\/p>\n<h2 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">Frequently Asked Questions About Protecting Coastal Fa\u00e7ades<\/span><\/strong><\/h2>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f85dae{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85dae\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]<span style=\"font-weight: 400;\">When specifying or undertaking a building rehabilitation project in a coastal environment, property owners and construction professionals often ask the following technical questions:<\/span>[\/vc_column_text]<style>.ld_spacer_6a57d57f85e47{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85e47\"><\/div>[vc_column_text]<\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">Why Do Traditional Fa\u00e7ade Finishes Deteriorate So Quickly Near the Sea?<\/span><\/strong><\/h3>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f85ee1{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85ee1\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]The main reason is <strong>their high porosity<\/strong>. Conventional stuccos and paints absorb salt-laden moisture carried by sea breezes. As the water evaporates under the sun, the salts crystallize and expand within the coating, causing internal cracking, surface spalling and premature fa\u00e7ade deterioration. For this reason, when replacing traditional fa\u00e7ade systems, it is essential to understand that <strong>not all ventilated fa\u00e7ades are suitable for coastal environments<\/strong>. Marine conditions require a detailed technical assessment to ensure full compatibility between the cladding, the fixing system and the supporting structure, helping to prevent corrosion of the anchoring components and ensuring long-term durability.[\/vc_column_text]<style>.ld_spacer_6a57d57f85f77{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f85f77\"><\/div>[vc_column_text]<\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">How Does a Ceramic Ventilated Fa\u00e7ade Help Buildings Withstand Heatwaves in Coastal Areas?<\/span><\/strong><\/h3>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f86019{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f86019\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]It works through <strong>two complementary physical mechanisms<\/strong>. First, the ventilated cavity continuously dissipates heat by means of the chimney effect, allowing warm air to rise naturally and escape before it reaches the building envelope. Second, the high density and thermal inertia of extruded porcelain stoneware slow down the transfer of external heat to the structural wall, helping to keep indoor spaces cooler through passive thermal regulation.[\/vc_column_text]<style>.ld_spacer_6a57d57f860c4{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f860c4\"><\/div>[vc_column_text]<\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">What Maintenance Does an Extruded Ceramic Fa\u00e7ade Require in Marine Environments?<\/span><\/strong><\/h3>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f8615f{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f8615f\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]Very little. Unlike other fa\u00e7ade systems that require regular waterproofing treatments or repainting, extruded ceramic is highly resistant to UV radiation and salt spray. Its non-porous surface does not fade or deteriorate easily and allows rainwater to naturally wash away dirt, significantly reducing <a href=\"https:\/\/faveker.com\/en\/blog\/final-cleaning-and-maintenance-of-ceramic-ventilated-facade\/\">maintenance<\/a> requirements over the building&#8217;s lifetime.[\/vc_column_text]<style>.ld_spacer_6a57d57f861f7{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f861f7\"><\/div>[vc_column_text]<\/p>\n<h2 style=\"text-align: left;\" align=\"left\"><strong><span style=\"font-size: 28px;\">Coastal Buildings Ready for the Future<\/span><\/strong><\/h2>\n<p>[\/vc_column_text]<style>.ld_spacer_6a57d57f86298{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f86298\"><\/div>[vc_column_text el_class=&#8221;fs-16&#8243;]<strong>The ageing of the coastal building stock, <\/strong>combined with increasingly <strong>extreme weather<\/strong> conditions, makes it essential to adopt durable, high-performance construction solutions. Rehabilitating buildings with a ceramic ventilated fa\u00e7ade protects the structure from the harsh marine environment, minimizes long-term maintenance costs and helps maximize the property&#8217;s long-term value.<\/p>\n<p><strong>\u00a0<\/strong>[\/vc_column_text]<style>.ld_spacer_6a57d57f86331{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f86331\"><\/div>[vc_column_text]<strong>Do you have a coastal rehabilitation project?<\/strong> Contact the <a href=\"https:\/\/faveker.com\/en\/technical-office\/\">FAVEKER\u00ae Technical Office<\/a> for personalized advice on designing a durable building envelope engineered to withstand the test of time.[\/vc_column_text]<style>.ld_spacer_6a57d57f863d3{height:32px;}<\/style>\n<div class=\"ld-empty-space ld_spacer_6a57d57f863d3\"><\/div>[\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Discover how to protect building fa\u00e7ades in coastal areas from salt spray, heatwaves, and corrosion with rehabilitation solutions based on ventilated fa\u00e7ades made from extruded ceramic.<\/p>\n","protected":false},"author":2,"featured_media":189766,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"yes","_lmt_disable":"","wds_primary_category":24,"footnotes":""},"categories":[38,75],"tags":[],"class_list":["post-191631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-ceramic-solutions"],"acf":[],"modified_by":"faveker","_links":{"self":[{"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/posts\/191631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/comments?post=191631"}],"version-history":[{"count":0,"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/posts\/191631\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/media\/189766"}],"wp:attachment":[{"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/media?parent=191631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/categories?post=191631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/faveker.com\/en\/wp-json\/wp\/v2\/tags?post=191631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}