Bath Iron Works — Bath, Maine

Plaintiffs alleged in publicly filed U.S. asbestos personal-injury and wrongful-death litigation that workers at Bath Iron Works (BIW) in Bath, Sagadahoc County, Maine, sustained occupational asbestos exposure during the construction, outfitting, and repair of U.S. Navy surface combatants along the Kennebec River.

Facility Background

Bath Iron Works Corporation (BIW — founded 1884; today a subsidiary of General Dynamics) has built ships at its Bath, Maine shipyard on the Kennebec River for well over a century, and remains one of the principal U.S. East Coast builders of Navy surface combatants. Through the asbestos era — especially the World War II destroyer programs and the Cold War surface-combatant era — BIW constructed and outfitted destroyers, frigates, and cruisers, employing thousands of shipyard machinists, marine machinists, shipfitters, insulators, pipefitters, boilermakers, electricians, welders, and riggers.

Like other Navy shipyards of the period, BIW built ships whose propulsion and machinery spaces were, per public litigation records, extensively insulated with asbestos-containing materials to meet Navy specifications for heat and fire control in confined shipboard compartments.

Alleged Asbestos Pathways

Plaintiffs alleged in litigation that asbestos exposure at Bath Iron Works occurred through multiple pathways during warship construction and outfitting:

  • Boiler and turbine insulation. Plaintiffs alleged that insulators and marine machinists applied and removed asbestos block, cement, and pipe covering on the boilers, steam turbines, and auxiliary machinery installed in destroyer and cruiser engineering spaces — allegedly using products such as Johns-Manville pipe covering, Owens-Corning Kaylo, and Pittsburgh Corning Unibestos.
  • Marinite and asbestos-cork bulkheads. Plaintiffs alleged that fireproof Marinite panels and Mundet asbestos-cork were cut and installed as joiner bulkheads and thermal barriers throughout ship interiors.
  • Pipefitting, gaskets, and packing. Plaintiffs alleged that pipefitters installing the hundreds of shipboard systems encountered asbestos gaskets, packing, and pipe covering during construction and overhaul.
  • Confined-space and bystander exposure. Plaintiffs alleged that shipfitters, welders, electricians, riggers, and inspectors working alongside insulators in the confined, poorly ventilated compartments of ships under construction received significant bystander asbestos exposure — and that Navy personnel standing by their ships during outfitting were exposed as well.

Bath Iron Works has been named as a premises defendant in publicly filed U.S. asbestos personal-injury and wrongful-death litigation.

Much of the alleged shipboard asbestos exposure tied to BIW traces to the specific warships built and outfitted at the Bath yard. Explore documented per-ship exposure profiles on our Navy archive:

BIW built dozens of Fletcher-class destroyers in WWII and Ticonderoga-class Aegis cruisers in the Cold War era; browse the full Bath-built fleet.

Workers Exposed

  • Shipyard machinists, marine machinists, and shipfitters at BIW Bath
  • Ship insulators installing marine asbestos insulation in machinery spaces
  • Pipefitters running asbestos-clad shipboard piping
  • Boilermakers fabricating and lagging ship boilers
  • Electricians, welders, riggers, and laborers working alongside shipboard asbestos
  • U.S. Navy ratings aboard ships built, outfitted, or overhauled at BIW

Maine applies a six-year statute of limitations for personal-injury asbestos claims under 14 M.R.S. § 752, generally running from the date of mesothelioma diagnosis; wrongful-death claims carry a two-year limit under 18-C M.R.S.A. § 2-807. Deadlines are fact-specific — an attorney should review the exact dates.

If you were exposed to asbestos while working at Bath Iron Works — or served aboard a ship built or outfitted there — and have since been diagnosed with mesothelioma, asbestos-related lung cancer, or asbestosis, you may have legal rights. O’Brien Law Firm handles Maine asbestos claims and will review your work history at no cost. Contact O’Brien Law Firm at (314) 237-3332.


This page is published by an independent media organization and is not a law firm. Exposure and product allegations are drawn from publicly filed litigation and public records.

Other Maine facilities in our archive where workers allegedly encountered asbestos, per public litigation and historical records:

Mesothelioma Resources for Maine Workers

Shipyard and naval asbestos exposure like this is a leading cause of mesothelioma, often diagnosed decades later. If you or a family member worked here: