SPOTLIGHT importance. This systemic approach is at the heart of FORTIFIED™ homes, developed in the United States, which have reinforced roof-wall connections, exterior walls, and openings to improve the safety, durability, and structural integrity of buildings in the face of extreme wind. THE LAST PROTECTION AGAINST FIRE With the increase in bush fires and the expansion of the areas at risk, the façade plays a crucial role in protecting buildings and their occupants. In addition to fire resistance, the façade must limit the spread of embers, reduce the risk of ignition, and prevent the infiltration of toxic fumes to maintain acceptable indoor air quality during extreme events. In these contexts, the building envelope is no longer just a simple facing: it acts as a fireproof shield and a sanitary filter, capable of delaying or even preventing the spread of damage. This development is based on a combination of complementary solutions: non-combustible materials with high inertia, fine mesh screens that block WHEN EXTREME WINDS CHALLENGE NORMS Extreme winds, storms, and hurricanes raise questions about the structural robustness of façades. In these situations, resistance depends not only on the materials, but on the system as a whole: panels, anchors, connections, fasteners, and added protection. The limitations of designs based on past climate data are now clearly identified, calling for façades capable of absorbing and distributing increased dynamic loads without failure. Impactresistant glazing, reinforced panels, and sunshades designed to retract automatically in the event of an alert illustrate this systemic approach. Fasteners, often the weak link in the envelope, are also of great THE GREENED ROOFS AT THE COLEGIO PÚBLICO GABRIELA MISTRAL SCHOOL IN BADAJOZ (SPAIN) have reduced classroom temperatures by 5.4 °C. embers, heat-resistant safety glazing, and more airtight envelopes combined with high-performance filtration systems. In some areas affected by wildfires, particularly California, reconstruction efforts have highlighted the appeal of traditional materials such as mud-bricks. Dense, continuous, and non-combustible, mud-brick walls can withstand very high temperatures for several hours, limiting ignition and the spread of flames. Their recognition in contemporary building standards confirms that ancient techniques, reinterpreted, can provide an effective answer to current climate risks. AND TOMORROW? Behind the scenes, a new generation of façades is emerging, set to play a strategic role in the climate adaptation of buildings. Adaptive façades incorporating mobile sun protection, smart glazing capable of modulating light and heat, or energy-generating envelopes combining photovoltaic panels and innovative biological systems: these solutions reflect a profound change in construction practices, with the façade becoming an active system that protects, regulates, and directly contributes to the environmental performance and resilience of the building. THE SOLAR LEAF PILOT PROJECT, BIG HOUSE, HAMBURG (GERMANY) combines shading systems with microalgae bioreactors on the façade, enabling the production of both renewable energy and biomass, while contributing to the capture of atmospheric CO2. IN THE UNITED STATES, an example of a house built to the FORTIFIED construction standard, which improves the safety, durability, and structural integrity of buildings in the face of extreme wind. 57 56
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