In Type 3 Ordinary Construction, what is usually true about the exterior materials?

In Type 3 Ordinary Construction, the exterior materials are typically characterized by their combination of noncombustible and combustible elements, which includes being partially or completely made of wood. This construction type often features a masonry structure (which is noncombustible) combined with wooden elements such as floors, ceilings, and roof systems. This blend leads to buildings that can exhibit both fire-resistive properties due to the masonry components and increased fire load from the wooden materials.

The selection of materials in this construction type not only affects fire performance but also factors into the building's structural integrity, aesthetics, and compliance with building codes. The presence of wood elements is significant because wood is a combustible material that can contribute to fire spread, making it essential for fire officers to understand this construction type when assessing potential fire behavior and hazards in such buildings.