Ventistål AS is a leading wholesaler of ventilation products, roof accessories and metals. We also have production of circula ... r ducts at most of our branches in Norway, as well as production of rectangular ducts in four branches. In addition to the onshore market, Ventistål is also a market leader in supplying the marine and offshore industry in Norway with ventilation and insulation products. We also have a subsidiary in Romania, supplying the Romanian shipbuilding market. Ventistål is a part of the Brødrene Dahl group, owned by Saint Gobain. read more