Bullock is Australian-owned manufacturer of quality products tested to Australian Standards supplying to the HVAC mechanical industry for over 40+ years. They provide dampers that work, fire, volume control, non – return, ceiling radiation, motorised fire/smoke and kilargo intumescent dampers. Bullock is an Australian distributor of Duro Dyne products as well as their own access panels and doors, flanging, corners, clips/cleats, spigots, vane runner, flexible duct connectors, tapes and sealants.