Underground / Utility CorridorSouth China2023
Urban Utility Corridor Smoke Duct Encasement

Fire ventilation ducts of an urban utility corridor were encased with magnesium fire-rated duct boards. The boards remain stable and durable in the humid underground environment, with Class A1 assemblies meeting corridor fire-design requirements.
Industry
Underground / Utility Corridor
Supply Scope
Fire-rated duct boards supplied (volume per settlement)
Project Highlights
- Stable and durable in humid underground conditions
- Class A1 non-combustible for corridor fire protection