How must Type II buildings be constructed in terms of material?

Type II buildings are defined by their construction using noncombustible materials. This classification is significant because it influences how structures behave in the event of a fire, as noncombustible materials are less likely to ignite and contribute to the fire load. The use of such materials helps to contain fires within the building, reduces the spread of flames, and increases the overall safety for occupants and firefighters responding to an incident.

The emphasis on noncombustible materials in Type II construction standards is crucial for maintaining structural integrity during a fire, which is particularly important in commercial and industrial applications where the loss of life and property could be substantial. Building codes are designed around these principles, ensuring that buildings offer a predictable level of durability and resistance to fire-related hazards.

Other construction types may allow for different combinations of materials, but Type II specifically mandates noncombustible materials to optimize safety and effectiveness in fire scenarios.