Ductwork runs through a lot of massive structures, providing and removing both cold and warm air to keep up a snug weather for occupants. Unfortunately, these important networks also offer you the ideal pathway for your fire. Fire rated ductwork increases the safe operation of heating, ventilation and air-con (HVAC) https://damienunevr.tinyblogging.com/not-known-facts-about-cibse-cpd-73738133