Fuel savings that start
when the divers surface

CleanHull Marine is a specialist underwater hull cleaning contractor. We deliver in-water hull cleaning, propeller super polishing, thruster cleaning and polishing, in-water class survey and UWILD for bulk carriers, tankers, container ships and offshore vessels at ports worldwide.

Underwater hull cleaning removes slime, algae and shell growth from a vessel's hull in the water, without dry-docking. Removing that fouling restores the hull's designed resistance, which cuts fuel consumption and CO2 emissions and recovers lost speed.

Not when the method is matched to the coating. Brush hardness, tool selection and operating pressure are chosen against the coating type and its remaining service life. An aggressive clean on a soft self-polishing coating shortens its life, which is why we ask for the coating specification before quoting.

It depends on the fouling state, the hull form and the trade. Independently published studies put the penalty from heavy fouling well into double digits, but we would rather survey your hull and give you a specific assessment than quote a headline number.

No. Hull cleaning, propeller polishing and thruster work are carried out in the water at anchorage or alongside, so the vessel stays on hire and the work fits inside the port call or the waiting time you already have.

Propeller super polishing restores the blade surface to a mirror finish, removing the roughness and calcareous growth that disrupt flow across the blade. Because the propeller does all the work of converting power into thrust, polishing it typically returns a disproportionate fuel saving for the time spent.

UWILD is an Underwater Inspection In Lieu of Drydocking — a class-accepted survey carried out in the water that can substitute for a bottom survey in dry dock. We coordinate with your class society in advance and provide the documentation and footage the surveyor requires.

Yes, and we obtain it. Diving permits, port authority approval and, where required, environmental clearance for cleaning operations are arranged as part of the job rather than left to the agent.

We cover the West Africa range: Lomé, Abidjan, Buchanan, Monrovia, Freetown, Boffa, Kamsar, Conakry, Bissau, Banjul and Dakar — and mobilise to other ports by arrangement.

A full video and photographic record of the hull by area, before-and-after coverage of the work carried out, and class-acceptable reporting where the scope is a survey or UWILD.

Send us the vessel particulars, the antifouling specification, the last dry docking date and the port. You can request a quote through our website or contact the dive desk by phone, email or WhatsApp for a fast response.