(Our expertise)
In-Water Hull Cleaning & Propeller Polishing
(What we do)
Restoring Hydrodynamic Efficiency & Reducing Emissions
At Enviro Hull, we don’t just clean ships—we restore vessel performance through technically controlled grooming and polishing methodologies. Our approach blends international safety standards with high-grade commercial equipment to help fleets reduce fuel consumption by 10–30%, minimize frictional resistance, and maintain strict 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 the anti-fouling coating.
Hydraulic brush karts
Niche area grooming
Vertical & flat bottom cleaning
Vertical side-shell restoration
Propeller Polishing
Multi-stage polishing to a Rupert Scale Grade A finish to optimize propulsion and reduce engine stress.
Rupert Scale verification
Surface roughness reduction
Vibration mitigation
Fuel ROI optimization
Niche Area & Sea Chests
Specialized cleaning of gratings and internal sea chests to ensure unobstructed cooling water flow to vessel systems
Internal sea chest cleaning
Grating removal & clearing
Cntake clearing
Valve inspections
Technical Inspections & CCTV
Real-time visual evidence of hull condition and cleaning results provided 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 & Logistics
We begin by analyzing the vessel's ETA and port constraints to align our attendance with your schedule. We coordinate all necessary permits and port clearances to ensure a seamless mobilization of equipment.
(02)
Managed Technical Execution
Operations are executed by vetted, class-authorized teams using Surface-Supplied Diving Equipment. 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 records and provides the insights needed for long-term fuel efficiency tracking.