CURVENT FIRE DAMPERS AND DUCTING ARE TESTED & CERTIFIED
Fire dampers are passive fire protection products used in heating, ventilation and air conditioning (HVAC) ducts to prevent the spread of fire inside the ductwork. Ducts are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air.
When a rise in temperature occurs, the fire damper closes, usually activated by a thermal element which melts at temperatures higher than ambient but low enough to indicate the presence of a fire, a