IMPA Products,Expert Engine Repair, Maintenance, and Installation Services by Rotrenza Marine

At Rotrenza Marine, we specialize in delivering a full spectrum of professional underwater inspection, maintenance, and repair services to the global maritime industry. Our highly experienced dive teams, combined with state-of-the-art equipment, ensure that every operation is carried out with maximum precision, safety, and efficiency — even under the most challenging conditions.

We are fully certified to perform class-approved underwater inspections, helping our clients avoid costly dry-dockings while maintaining compliance with international maritime standards. Whether it's a scheduled maintenance operation or an emergency underwater repair, we are ready to respond 24/7.

Our comprehensive underwater services include:

- Class-Approved Underwater Inspections with detailed CCTV video and photo reporting for classification society approvals

- Underwater Security Inspections to safeguard vessel operations and prevent risks

- Non-Destructive Testing (NDT) to assess structural integrity without causing damage

- Magnetic Particle Inspection (MPI) for precise crack and defect detection

- Propeller Cleaning and Polishing to optimize propulsion efficiency and fuel savings

- Underwater Hull Cleaning to reduce drag and improve vessel performance

- Sea Chest and Rudder Cleaning for smooth operation of critical components

- Sealing of Cracks, Indentations, and Hull Openings to prevent water ingress

- Anchor Retrieval operations performed safely and effectively

- Anode Inspection and Replacement to ensure cathodic protection systems are fully operational

- Refloating Services for partially sunken vessels

- Stern Seal Repair and Replacement to prevent oil leakage and maintain environmental compliance

- Thruster Repair and Replacement to restore full maneuverability

- Propeller Repair carried out underwater to minimize downtime

- Temporary and Permanent Underwater Hull Repairs tailored to vessel needs

- Underwater Rudder Repairs including welding and surface restoration

- Rope Guard Removal, Refitting, and Bush Renewal

- Underwater Drilling to Arrest Cracks before they propagate

- Blanking of Sea Chest and Overboard Discharge Pipes for safe maintenance operations

At Rotrenza Marine, we understand the critical importance of minimizing downtime and maintaining operational readiness. That's why we are committed to delivering efficient, cost-effective, and class-compliant underwater solutions tailored to each vessel's unique requirements.

Need support or want to learn more about our underwater services?
Please contact us using the details below and our experienced team will get back to you as soon as possible.

Rotrenza Marine — Your reliable partner for underwater excellence.