🔹 How Exposure Occurred During Navy Service on Submarines

Navy submarines used asbestos in insulation, fireproofing, wiring, machinery, and structural materials. Exposure did not come from one single event—it happened repeatedly through daily duties, repairs, and major overhauls. Sailors inhaled asbestos fibers whenever materials were disturbed, aged, vibrated, or were removed.

This article explains the main ways asbestos exposure occurred during Navy service aboard submarines.

🔧 Insulation Removal and Replacement

• Pipe insulation removal – Sailors stripped asbestos cloth and cement from steam and hot-water pipes, creating heavy dust clouds in tight spaces.
• Boiler insulation work – Old asbestos lagging was scraped and replaced during boiler servicing, releasing large amounts of fibers.
• Wall and ceiling fireproofing – Asbestos boards and spray-on coatings were cut and removed during upgrades, filling compartments with dust.
• Duct insulation repairs – Asbestos-lined ventilation ducts released fibers when opened or patched.

These tasks placed sailors directly inside thick airborne asbestos.

🔥 Boiler and Steam System Repairs

• Boiler cleaning – Removing ash and residue disturbed asbestos insulation around boilers.
• Steam line repairs – Cutting asbestos lagging and cement sent fibers into the air.
• Valve and flange work – Scraping asbestos gaskets released dust inches from sailors’ faces.
• Expansion joint servicing – Asbestos rope packing shed fibers during replacement.

Hot, enclosed boiler spaces trapped contaminated air.

⚙️ Machinery and Engine Room Work

• Turbine servicing – Removing asbestos insulation from turbines released heavy dust.
• Generator repairs – Fireproof housings containing asbestos flaked when opened.
• Pump maintenance – Asbestos packing and seals released fibers during repairs.
• Compressor servicing – Fire-resistant asbestos coverings broke apart with age.

Machinery rooms were among the most contaminated areas.

🔌 Electrical and Wiring Work

• Rewiring systems – Cutting asbestos-coated cables released fibers directly into breathing zones.
• Switchgear upgrades – Removing asbestos-backed panels created thick dust.
• Control room repairs – Fireproof asbestos linings were disturbed during maintenance.
• Electronics work – Wiring ran through asbestos-lined spaces that shed fibers.

Electricians and technicians inhaled fibers at close range.

🏗️ Welding and Structural Repairs

• Welding near asbestos insulation – Heat and vibration loosened asbestos materials.
• Cutting bulkheads and decks – Released fibers from fireproof panels.
• Structural modifications – Required removing asbestos fireproofing.
• Damage repairs – Accident and battle repairs disturbed asbestos coatings.

Vibration and cutting caused asbestos to crumble into the air.

🛠️ Shipyard Overhauls and Refits

• Large-scale insulation removal – Massive asbestos stripping during refits.
• Machinery replacement – Opened asbestos-lined engines and turbines.
• Electrical modernization – Removed asbestos panels and wiring.
• Structural upgrades – Cut asbestos fireproof walls and ceilings.

Overhauls caused the heaviest exposure of many submariners’ careers.

🛏️ Living Area Exposure

• Sleeping quarters – Had asbestos behind walls and ceilings.
• Ventilation ducts – Carried fibers into bunks and lockers.
• Bedding and clothing – Trapped asbestos dust from work areas.
• Cleaning chores – Re-aerosolized settled fibers.

Sailors inhaled asbestos even while resting.

🌬️ Ventilation System Spread

• Airflow carried fibers from machinery spaces to all compartments.
• Duct insulation deteriorated and released asbestos.
• Shared air spaces spread contamination shipwide.
• Closed compartments trapped dusty air.

Ventilation made exposure unavoidable.

🧠 Why Exposure Was So Common on Submarines

• Asbestos was used in almost every system.
• Many materials were friable and crumbled easily.
• Submarines vibrated constantly.
• Repairs were frequent.
• Protective gear was rarely provided.
• Health risks were hidden or ignored.

Few naval jobs exposed sailors so repeatedly.

🧬 Long-Term Health Effects

Exposure from these activities has been linked to:

• Mesothelioma
• Lung cancer
• Asbestosis
• Pleural disease

Symptoms often appear 20–50 years after service.

❓ How Exposure Occurred on Submarines – FAQs

Was exposure only during repairs?
No. Normal operations also released fibers.

Did short service still cause risk?
Yes. Even limited exposure can be dangerous.

Were sailors warned?
Most were never told about asbestos risks.

Are veterans still being diagnosed?
Yes, because diseases develop decades later.

⚖️ How an Asbestos Lawyer Can Get You Compensation

An asbestos lawyer uses your job duties to prove exposure.

An asbestos lawyer will:

• Review service records
• Identify exposure activities
• Match asbestos products to manufacturers
• Confirm diagnosis with doctors
• File lawsuits and trust fund claims
• Handle all deadlines

📞 Get Help Now

If you served aboard a Navy submarine and later developed mesothelioma, lung cancer, or another asbestos-related disease, you may be entitled to compensation.

You may qualify for:

• Lawsuit settlements or verdicts
• Asbestos trust fund payments
• VA disability and survivor benefits

There is no upfront cost.

📞 Call now for a free, confidential case consultation:
800.291.0963