Dr Roar Myrdal works for Rescon Mapei AS, Norway. He is a member of Task Group 5 of the European Federation of Corrosion Working Party 11 (Corrosion of Steel in Concrete).Dr Roar Myrdal works for Rescon Mapei AS, Norway. He is a member of Task Group 5 of the European Federation of Corrosion Working Party 11 (Corrosion of Steel in Concrete).