Fire-resistant ductwork is a type of ventilation pipe made from non-combustible and fire-resistant materials, capable of meeting certain fire resistance requirements. It is primarily used in buildings for systems related to smoke extraction, positive pressure air supply, and air conditioning supply to refuge areas, all in line with life-saving and safety measures. The materials commonly used for fire-resistant ductwork typically include:

Metal materials, such as galvanized sheet, which can be used to make fire-resistant ducts with excellent fire resistance and corrosion resistance, with a service life of over 30 years.

Non-metallic materials, such as rigid polyvinyl chloride (PVC) and fiberglass, which also possess excellent fire resistance and high-temperature resistance, are commonly used for the inner and outer protective layers of fire-resistant ducts.

The surface layer is made of non-flammable materials and the inner board is insulated. This duct combines the benefits of non-flammable and insulating materials, offering excellent heat insulation and fire resistance.

In addition, the manufacturing materials for fire-resistant ductwork include inorganic materials such as glass fiber reinforced plastics and ceramics, which also offer excellent fire resistance and high-temperature resistance. The choice of materials can be determined based on the specific usage environment and fire safety requirements to ensure that the ductwork can continue to operate normally for a certain period during a fire, thereby safeguarding personnel safety and minimizing property loss.