Design | Create | Deliver

From concept to reality, Freeman Marine specializes in custom hydraulic ship side, transom, and boarding large door fabrication.

Shell Doors


Your partner in pioneering advancements in marine access

With a legacy of excellence and a dedication to innovation, we redefine large custom doors as “Shell Doors.” From top-notch design to impeccable fabrication, Freeman Marine is your trusted source for a comprehensive range of Shell Door types designed to meet various vessel access needs.

Our Capabilities

Manufactured in the United States: Meeting Buy America, Jones Act & Buy American Requirements

We take pride in manufacturing all Shell Doors in the United States, aligning with Buy AmericaJones Act, and Buy American regulations. Our commitment to quality and compliance underscores our dedication to supporting domestic industries.

In-House Design

Our commitment to excellence extends to every facet of Shell Door design. With in-house design and FEA capabilities, we ensure that each Shell Door meets the highest standards of structural integrity, safety, and performance. 

Our Classifications

Welding Workshop Approval Certified by DNV-GL (WWA DNV-GL)
Guarantees high quality for all the important parts of ships, maritime installations, and their components, our DNV GL rules require that welding work be carried out by approved companies or workshops.
Bureau Veritas
Offers certification services for all marine materials and equipment covered by classification rules.
Lloyd’s Register
Ensures the safety, reliability, and efficiency of bulk carriers in every major size category.
ABS (American Bureau of Shipping) certification Ensures that companies producing vessels, products, materials, or equipment for the marine industry meet a global standard to ensure the safety and quality of vessels out at sea.

Precision Fabrication

Freeman Marine’s reputation for precision fabrication is built on a foundation of skilled artisans who meticulously craft each Shell Door. Our skilled fabricators, utilizing overhead cranes for efficient material handling, ensure that every detail is perfect.

Control Systems

Our integrated control systems offer intuitive operation and plug-and-play installation.  The electro-hydraulic systems give complete operational control with high load capabilities.  Status signaling allows for bridge notification and security system integration.

Demonstrating a commitment to quality involves investing time, resources, and effort into ensuring that products meet the highest standards.  QC inspections and FAT are performed throughout the fabrication cycle to ensure even details hidden by later fabrication are correct.  Cycle testing every aspect of the control systems as a complete assembly and when fully installed on the shell door, ensures a seamless installation.

Contact Freeman Marine today to discover how our Shell Doors can enhance your vessel’s access points. Our legacy of excellence and dedication to innovation ensures that your vessel stands apart with top-tier Shell Door solutions.

Types of Shell Doors and Locations

Resources

  1. Quality Assurance (QA): QA is a systematic process that focuses on preventing defects and ensuring that processes and products meet predefined quality standards. It involves establishing guidelines, standards, and procedures that help maintain consistency and quality throughout the product development and manufacturing lifecycle.
  2. Factory Acceptance Testing (FAT): FAT is a critical phase in the manufacturing process where a product or system is thoroughly tested before being shipped to the customer. This testing takes place at the manufacturer’s facility and is intended to verify that the product meets the specified requirements and functions as intended.
  3. Rigorous Testing: Rigorous testing involves subjecting products or systems to comprehensive and demanding tests to identify potential defects, vulnerabilities, or weaknesses. This process helps ensure that the product can withstand real-world conditions and usage scenarios without failing.
  4. Hydraulics and Electric Wiring Testing: In industrial settings, components like hydraulics and electric wiring are crucial for a product’s functionality. Thorough testing of these components helps ensure that they operate reliably, safely, and efficiently. For example, testing hydraulics might involve verifying proper fluid flow, pressure regulation, and leak prevention, while testing electric wiring ensures correct connections, insulation, and compliance with safety standards.
  5. Optimal Functionality and Reliability: The goal of testing is to ensure that products not only work as intended but also do so consistently and reliably over time. This means identifying and addressing any issues that could impact performance, safety, or durability.
  6. Commitment to Quality: Demonstrating a commitment to quality involves investing time, resources, and effort into ensuring that products meet the highest standards. This commitment is reflected in the implementation of robust testing procedures, adherence to industry best practices, and a willingness to address any issues that arise.