{"id":77962,"date":"2025-05-14T13:43:06","date_gmt":"2025-05-14T10:43:06","guid":{"rendered":"https:\/\/amlak.net.sa\/?p=77962"},"modified":"2025-11-25T22:04:44","modified_gmt":"2025-11-25T22:04:44","slug":"%d9%85%d9%88%d8%a7%d8%af-%d8%a7%d9%84%d8%a8%d9%86%d8%a7%d8%a1-%d8%a7%d9%84%d8%b0%d9%83%d9%8a%d8%a9-%d9%83%d9%8a%d9%81-%d8%aa%d8%b3%d8%aa%d8%ac%d9%8a%d8%a8-%d9%84%d8%aa%d8%ba%d9%8a%d8%b1%d8%a7%d8%aa","status":"publish","type":"post","link":"https:\/\/amlak.net.sa\/en\/77962\/","title":{"rendered":"Smart building materials... How do they respond to weather, climate and energy changes?"},"content":{"rendered":"<h4 style=\"text-align: center;\"><span style=\"color: #800000;\"><strong>Smart Building Materials Ki<\/strong><strong>P responds to weather, climate and energy changes.<\/strong><\/span><\/h4>\n<p>As the challenges of climate change escalate and the energy bill rises, the concept of smart buildings has become more than just a technical dream, but an economic and environmental necessity, as walls and ceilings are no longer inert elements that are limited to protecting the building from the elements, but have turned into dynamic systems capable of interacting with their environment, adjusting their solar permeability, changing their degree of thermal insulation according to the external temperature, and detecting the beginning of any small crack before it worsens, and these smart materials promise a revolution in urban sustainability, as we explore in this report the most prominent technologies and applications.<\/p>\n<h4><span style=\"color: #800000;\"><strong>1. Variable solar transmittance interfaces (<\/strong><strong>Electrochromic Facades<\/strong><strong>)<\/strong><\/span><\/h4>\n<p>These interfaces contain thin layers of Electrochromic materials, whose transparency changes between two states depending on the voltage applied to them.<\/p>\n<p>In hot weather: The voltage increases, so the facade darkens, minimizing the penetration of sunlight and heat.<\/p>\n<p>&nbsp;<\/p>\n<p>In cold or cloudy weather: The voltage is lowered, the glass regains its transparency to let in sunlight and the building benefits from it for natural heating.<\/p>\n<h4><span style=\"color: #800000;\">Benefits<\/span><\/h4>\n<ul>\n<li>Reduce air conditioning consumption by 20-35%.<\/li>\n<li>Optimize occupant comfort by precisely controlling natural lighting and sun glare.<\/li>\n<li>Link with smart building management systems (BMS) to automatically adjust the permeability based on weather data and indoor needs.<\/li>\n<\/ul>\n<h4><span style=\"color: #800000;\"><strong>Leading applications<\/strong><\/span><\/h4>\n<ul>\n<li>The Edge building in Amsterdam: One of the greenest and smartest buildings in the world, adopts electrochromic facades that reduce energy consumption by 701 % compared to conventional buildings.<\/li>\n<li>Atlanta's Bullitt Environmental Center: Uses facades to regulate heat and light, earning it a LivingBuilding Challenge rating.<\/li>\n<\/ul>\n<h4><span style=\"color: #800000;\"><strong>2) Color-changing thermal coatings (<\/strong><strong>ThermochromicCoatings<\/strong><strong>)<\/strong><\/span><\/h4>\n<p>Color-changing thermochromic coatings contain special molecules that react to temperature to change their color and reflective properties:<\/p>\n<p>When the temperature rises: The paint becomes more reflective of infrared radiation, reflecting much of the sun's heat back outside.<\/p>\n<p>When the temperature drops: The paint absorbs infrared waves, warming the surface and reducing heating consumption.<\/p>\n<h4><span style=\"color: #800000;\"><strong>Benefits<\/strong><\/span><\/h4>\n<ul>\n<li>Reduce the temperature of the external surfaces up to 15\u02daC, which lowers the internal temperature and reduces the cooling pressure.<\/li>\n<li>Extend the life of UV-exposed materials due to reduced exposure to extreme heat.<\/li>\n<li>It can be applied to concrete, metal and plastic surfaces, at a small additional cost.<\/li>\n<\/ul>\n<h4><span style=\"color: #800000;\"><strong>Real experience<\/strong><\/span><\/h4>\n<ul>\n<li>\u00abCool Roof\u00bb project in Los Angeles: Sprayed a color-changing thermal coating on the roofs of several commercial buildings, a reduction in cooling consumption of 12% was recorded during the summer.<\/li>\n<li>\u00abUrban Heat Island\u00bb initiative in Dubai: The use of thermal coatings on roofs and exposed surfaces has reduced neighborhood temperatures by 3\u02daC.<\/li>\n<\/ul>\n<h4><span style=\"color: #800000;\"><strong>3. Crack early warning systems (<\/strong><strong>Crack Early<\/strong><strong>\u2011<\/strong><strong>Warning Systems<\/strong><strong>)<\/strong><\/span><\/h4>\n<p>These systems rely on the integration of artificial sensing fibers or Fiber Optic Strips into the concrete mix or finishing layers, which are connected to electronic monitoring devices:<\/p>\n<p>When microscopic cracks begin to form, the circuit breakers or the transmission of light pulses within the fiber change.<\/p>\n<p>The controller receives these changes and triggers an immediate alarm to the service center, before the crack develops into a structural issue.<\/p>\n<h4><span style=\"color: #800000;\">Benefits<\/span><\/h4>\n<ul>\n<li>Avoid potential disasters through early maintenance.<\/li>\n<li>Reduce maintenance costs by up to 60% compared to manual crack detection.<\/li>\n<li>Maintain the longevity of the structure and support the confidence of investors and users.<\/li>\n<\/ul>\n<h4><span style=\"color: #800000;\">Applied examples<\/span><\/h4>\n<ul>\n<li>The Millau Viaduct in France: A fiber-optic alarm system is used to detect any movement in the concrete columns and piers.<\/li>\n<li>The One World Trade Center building in New York: The supervising company implemented a system that sends maintenance alerts when there are micrometric deviations in the concrete.<\/li>\n<\/ul>\n<h4><span style=\"color: #800000;\"><strong>Challenges and development opportunities<\/strong><\/span><\/h4>\n<p>Initial cost: Smart interfaces and coatings technologies may increase the total cost by 10-25%.<\/p>\n<p>Legislation and standards: Regulators need to create standards to test the performance of smart materials.<\/p>\n<p>Integration between systems: Ensure seamless communication between smart building and building management systems (BMS) to fine-tune automation and optimization.<\/p>\n<p>Future opportunities lie in lowering production costs and integrating AI to analyze data from systems early on, supporting the overall smart city vision.<\/p>\n<p>As societies move onto new paths toward sustainability and energy efficiency, smart building materials are at the center of change in the real estate industry. When facades react to the climate, coatings adapt to heat, and systems anticipate cracks, a building is truly a living organism - protecting itself, saving energy, promising more comfort and safety for its occupants, and a positive long-term economic and environmental return.<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading time: <\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">Minutes<\/span><\/span>Smart building materials... How do they respond to weather, climate and energy changes? As climate change challenges escalate and the energy bill rises, the concept of smart buildings has become more than just a technical dream, but an economic and environmental necessity, as walls and roofs are no longer passive elements that merely protect the building from the elements, but have transformed into dynamic systems capable of interacting with their environment, adjusting their permeability ... <a title=\"Smart building materials... How do they respond to weather, climate and energy changes?\" class=\"read-more\" href=\"https:\/\/amlak.net.sa\/en\/77962\/\" aria-label=\"Read more about \u0645\u0648\u0627\u062f \u0627\u0644\u0628\u0646\u0627\u0621 \u0627\u0644\u0630\u0643\u064a\u0629.. \u0643\u064a\u0641 \u062a\u0633\u062a\u062c\u064a\u0628 \u0644\u062a\u063a\u064a\u0631\u0627\u062a \u0627\u0644\u0637\u0642\u0633 \u0648\u0627\u0644\u0645\u0646\u0627\u062e \u0648\u0627\u0644\u0637\u0627\u0642\u0629\u061f\">Read 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