Which type of construction is characterized by steel as the most common structural material?

Type II construction is characterized by the use of non-combustible materials, with steel being the most prevalent structural element. This type of construction is often seen in commercial and industrial buildings where the materials used provide a high level of fire resistance. The steel framework offers strength and stability, allowing for larger open spaces and enhanced design options.

In Type II construction, the structural components may fail under extreme heat conditions, especially if they are not properly fireproofed or insulated. The use of non-combustible materials is a key safety feature, helping to prevent the spread of fire, particularly in urban areas where the risk of fire can impact multiple structures.

Understanding the characteristics of Type II construction allows firefighters and emergency responders to anticipate potential hazards and strategize their approach during fires in such buildings. This knowledge is crucial for effective firefighting operations and ensures the safety of both responders and the public.