Tunnels present a unique set of challenges when it comes to fire safety. Limited ventilation, confined spaces, and potential for rapid fire spread make these environments particularly susceptible to serious incidents. Modern fire protection solutions are essential to create a strong defense against the consequences of tunnel fires.
Promat Board: Enhancing Passive Fire Protection
Promat board, a high-performance fire-resistant material, is gaining prominence in the field of passive fire protection for road and rail tunnels. Composed of calcium silicate or other mineral fibers, Promat boards act as a barrier against the spread of fire, protecting critical structural components and ensuring the integrity of the tunnel infrastructure. The main function Promat linings have in tunnels is to reduce interface temperature of the concrete during a fire, and to limit the temperature of the steel reinforcement to prevent spalling risk.
Key Features of Promat Board:
- High Fire Resistance: Promat boards exhibit exceptional fire resistance, offering a reliable shield against the intense heat generated during a tunnel fire.
- Durability: These boards are designed to withstand the harsh conditions within tunnels, including exposure to moisture and vibrations, ensuring long-term effectiveness.
- Versatility: Promat boards can be applied to various tunnel structures, including walls, ceilings, and floors, providing a versatile solution for comprehensive passive fire protection.
Cementitious Fire Spray
Cementitious fire spray is another critical component of modern fire protection strategies in tunnels. This spray-on material forms a robust, heat-resistant layer that helps to contain and suppress fires, preventing them from spreading and causing extensive damage. The market leading product in Australia is CAFCO Fendolite MII from Promat.
Key Features of Cementitious Fire Spray:
- Quick Application: Cementitious fire spray can be applied rapidly to tunnel surfaces, providing a prompt and efficient solution for enhancing fire resistance.
- Adherence to Complex Surfaces: Its ability to adhere to irregular and complex surfaces makes cementitious fire spray an ideal choice for the intricate structures found within tunnels.
- Heat Insulation: The spray-on material acts as a thermal insulator, reducing the heat transfer to critical tunnel components and contributing to the overall safety of the infrastructure.
Fire Prevention specialist