Insulation-Enhanced Buildings: Building Earthquake-Resilient Cities
Türkiye is among the countries with a high earthquake risk due to the density of active fault lines and ongoing tectonic activity. This geographical reality brings with it a significant responsibility that concerns not only engineering and urban planning disciplines but every link in the building production chain. The February 6 earthquakes, whose pain and impact are still deeply felt, once again demonstrated—through the loss of tens of thousands of lives—that the consequences of negligence cannot be reversed.
It is not accurate to view the buildings we live in merely as shelters; they are living spaces where we entrust our own lives as well as the lives of our families and loved ones. Therefore, safe construction cannot be achieved solely through designs on paper, but through proper material selection, accurate detailing, and flawless implementation practices on site. Even deficiencies perceived as minor details within a structure can lead to irreversible consequences during an earthquake.
Today, the question we must address is not “Will an earthquake occur?” but rather “Will our buildings remain standing when an earthquake occurs?” In this context, insulation—often associated only with comfort and energy efficiency—is in fact a critical component that preserves structural durability and contributes to urban resilience.
The Invisible Link Between Insulation and Earthquake Resistance
Not every building responds to an earthquake in the same way. The primary factors determining the destructive impact of an earthquake include construction materials, structural design, soil conditions, and the age of the building. Over time, structures may weaken due to external factors such as water exposure, moisture, temperature variations, and fire. At this point, insulation functions as a protective “shield” that safeguards structural elements.
Research shows that corrosion of steel reinforcement is the most common cause of deterioration in reinforced concrete structures and is responsible for approximately 70–90% of overall structural degradation. Today, one of the greatest threats facing buildings in our country is corrosion occurring long before an earthquake takes place.
In particular, waterproofing is indispensable in protecting reinforced concrete structures against corrosion—the primary enemy of load-bearing systems. The penetration of water and moisture into concrete leads to reinforcement corrosion and a reduction in cross-sectional capacity. This process progresses silently; even if a building appears structurally sound from the outside, it may suffer unexpected damage during an earthquake. Scientific studies clearly demonstrate that reinforcement exposed to water loses a significant portion of its load-bearing capacity over time. Therefore, earthquake safety depends not only on performance during seismic events but also on preventive measures taken from the project design stage onward.
Our Approach at Bonus Yalıtım
At Bonus Yalıtım, we approach insulation not as a standalone product but as an integrated building safety system. The solutions we develop in thermal, waterproofing, acoustic, and fire insulation aim to secure not only the current performance of buildings but also their long-term durability.
Our waterproofing solutions protect critical areas such as foundations, retaining walls, roofs, and wet areas against water and moisture, minimizing corrosion risks. Properly detailed and standards-compliant waterproofing applications directly extend the service life of the load-bearing system.
Although thermal insulation is often associated with energy efficiency, it is also vital for structural health. In buildings without adequate thermal insulation, condensation is inevitable. This leads to moisture accumulation in reinforced concrete elements and indirectly creates conditions that accelerate corrosion. Furthermore, expansion and contraction caused by sudden temperature differences may result in microcracks within structural components over time.
Fire insulation represents another critical aspect, particularly in post-earthquake scenarios. Fires that break out after major earthquakes can often be as destructive as the earthquake itself. Fire-resistant insulation systems increase life safety by extending evacuation time and delay strength loss in structural systems exposed to high temperatures.
For safe construction, insulation must be applied in the right location, with the right products, and through correct installation practices. Insulation should therefore be planned during the design phase and must not be treated as an element added later during construction. Product selection must comply with relevant standards and regulations, while applications should be carried out by trained and qualified teams, with on-site inspections never neglected.
Particularly in foundations and basement retaining walls, waterproofing must be designed as a continuous system, leaving no room for detailing errors. It should also be recognized that insulation requires a holistic approach; incomplete implementation of any component will directly reduce the performance of the entire system.
As Bonus Yalıtım, we continue to work with an awareness of our country’s earthquake reality, focusing on human life and striving to support long-lasting and safe structures. We firmly believe that buildings strengthened through proper insulation practices will enable us to look toward the future with greater confidence in a geography where it is not earthquakes, but negligence, that causes destruction.
Tolga Ceylan
Sales and Marketing Manager