Which type of construction includes materials that do not support combustion?

The correct choice reflects that Type II construction is characterized by materials that are non-combustible or of limited combustibility. This means that structures built using Type II materials are designed to resist fire and limit its spread, contributing to the overall safety and durability of the building in the event of a fire. Examples of materials included in Type II construction are concrete and steel, which do not ignite or sustain combustion.

Type V construction, on the other hand, typically uses wood and other combustible materials, making it more susceptible to fire. Type IV, known as heavy timber construction, uses solid wood members that can be somewhat resistant to fire but are still combustible. Type III construction comprises both combustible and non-combustible materials but is primarily known for having wood framing with non-combustible exterior walls, thus presenting some fire risk. Each type has distinct characteristics in terms of fire resistance and structural integrity that are crucial for understanding fire safety in building construction.