(Our expertise)
In-Water Hull Cleaning and Propeller Polishing
(What we do)
Restoring Hydrodynamic Efficiency and Reducing Emissions
At Enviro Hull, we do not simply clean vessels; we restore hull performance through technically controlled grooming and polishing methodologies. Our approach combines international safety standards with commercial-grade subsea equipment to help fleet operators reduce fuel consumption by 10–30%, minimise frictional resistance, and maintain full environmental compliance across global ports.
(Core Technical Services)
In-Water Hull Cleaning (IWHC)
We utilise controlled grooming techniques to remove biofouling while preserving the integrity of anti-fouling coatings.
Hydraulic Brush Karts
Niche Area Grooming
Vertical and Flat Bottom Cleaning
Vertical Side-Shell Restoration
Propeller Polishing
Multi-stage polishing to a Rupert Scale Grade A finish to optimise propulsion and reduce engine stress.
Rupert Scale Verification
Surface Roughness Reduction
Vibration Mitigation
Fuel ROI Optimisation
Niche Area & Sea Chests
Specialised cleaning of gratings and internal sea chests to ensure unobstructed cooling water flow to critical vessel systems.
Internal Sea Chest Cleaning
Grating Removal and Clearing
Intake Clearing
Valve Inspections
Technical Inspections & CCTV
Real-time visual evidence of hull condition and cleaning results delivered via high-definition underwater video feeds.
HD CCTV Live-Feed
Detailed Fouling Reports
Pre/Post-Cleaning Imagery
Digital Report Delivery
Performance & Compliance
Every operation is managed to meet Port Authority regulations and international biofouling management guidelines.
Port Permit Coordination
Biofouling Management
Class-Aligned Reporting
Emission Reduction Data
(Technical Operational Workflow)
Our process is built on precision and direct oversight, turning technical requirements into measurable vessel performance, seamlessly.
(01)
Assessment and Logistics
We begin by analysing the vessel's ETA and port constraints to align our attendance with your operational schedule. We coordinate all required permits and port clearances to ensure a smooth equipment mobilisation.
(02)
Managed Technical Execution
Operations are executed by vetted, classification-authorised teams using ROV and Surface-Supplied Diving Equipment (SDDE). All cleaning and polishing are overseen by an Enviro Hull representative to ensure strict adherence to technical specifications and diver safety.
(03)
Data-Driven Reporting
Upon completion, we provide a structured report including visual verification and technical data. This documentation supports your vessel’s permanent technical records and provides the insights needed for long-term fuel efficiency tracking.
