A fire damper is a device that is used to prevent the spread of fire and smoke throughout a building. It is typically installed in the ductwork of a building and is designed to close automatically when a fire is detected. Fire dampers are an important part of a building’s fire safety system, as they can help contain a fire and limit the amount of smoke and heat that can spread throughout the building. Fire dampers are usually made of steel and are designed to close quickly and remain closed until the fire is extinguished. Fire dampers can also be used to control the flow of air within a building, helping to reduce energy costs and improve air quality. Fire dampers are required in many buildings and are typically inspected and tested regularly to ensure they are functioning properly.