All NAADUK members have to meet stringent criteria to be accepted. They are trained, qualified and certified equivalent to TR/19, BS 9999, BSEN 15780 standards. If you are looking for Ductwork Cleaning, Fire & Smoke Damper Testing or Kitchen Extract Cleaning operatives, you can be assured to use the services of one of our certified members. Have a look at our Directory section to find a local member near you.