What best describes the term 'noncombustible'?

The term 'noncombustible' refers to materials that do not ignite or burn when exposed to fire or high temperatures. These materials are resistant to burning and do not contribute to the spread of fire, making them an essential aspect of fire safety, particularly in the construction of buildings and fire protection systems.

Fire resistive materials typically include certain metals, concrete, and glass, which can withstand high temperatures without combusting. This characteristic is crucial for preventing structural failure during a fire and for protecting lives and property. Understanding the properties of noncombustible materials is vital for safety professionals in developing fire prevention strategies and designing buildings that comply with fire codes and regulations.

The other options describe different properties that are not aligned with the definition of noncombustible. Flammable material, for instance, is susceptible to catching fire, while heat-producing and explosive substances can pose significant fire hazards. Thus, fire resistive clearly aligns with the definition of noncombustible.