Think of the fire barrier at the edge of each floor as a high-rise's invisible safety seal. While modern glass structures appear seamless from the outside, there is really a small gap between the floor and the outer wall that might allow a fire to grow upward, similar to a chimney. To keep everyone safe, we utilise a sophisticated fire barrier system, which often consists of mineral wool and fire-stop sprays, to seal the gap and confine any smoke or flames to a single floor. Understanding how these components interact to form a fire-resistant barrier allows architects and builders to ensure that their designs are not only beautiful but also actually durable in an emergency.