• Custom Gaskets & Seals

• Rubber & Urethane Components

• Mechanical Seals & Bearing Isolators

• Heat-Resistant & Corrosion-Resistant Materials

A4 Industrial delivers durable, high-performance components for the dredging and dry dock industries. Our rubber, urethane, and sealing solutions are designed to withstand continuous water exposure, abrasive conditions, and mechanical stress. From ship repair facilities to dock operations, our products maintain structural integrity and reliability in harsh marine environments.

Each component is engineered for long-term performance, ensuring resistance to saltwater corrosion, temperature variation, and heavy impact. Whether for pumps, gates, or dock systems, A4 Industrial’s precision products help reduce downtime and keep marine operations running efficiently.