Finnish group Wartsila is seeing more talks with owners about scrubber retrofits, but is facing the headache of actually getting ships into yards in booming markets.

The company said second-quarter installation activity was muted, which was largely down to record rates for container vessels.

Tamara de Gruyter, president of marine systems at Wartsila, told TradeWinds that newbuilding scrubber business was still healthy, due to surging numbers of new contracts for shipbuilders.