⚙️ Welders, Pipefitters & Shipfitters

Blankets, Cloths & Lagging Dust — How Heat Protection Became a Hidden Hazard

Throughout the mid-20th century, the U.S. military and shipbuilding industries relied on asbestos-based materials to protect workers from extreme heat.
Navy welders, pipefitters, and shipfitters were surrounded by asbestos every day — in the blankets they draped over hot surfaces, the cloths they used for fireproofing, and the “lagging dust” that filled the air whenever insulation was cut or removed.

These trades kept ships operational and safe, yet decades later, many veterans and shipyard workers developed mesothelioma, asbestosis, and other lung diseases caused by inhaling asbestos fibers.

📞 If you worked as a welder, pipefitter, or shipfitter before 1990, call 800.291.0963 for free asbestos exposure and compensation guidance.

🧭 Step 1 – Why Asbestos Was Used in Welding and Pipefitting Work

Asbestos was prized for its heat resistance, flexibility, and fireproofing abilities.
On ships, submarines, and industrial sites, temperatures from welding arcs and steam lines made asbestos a seemingly perfect material.

Why asbestos was chosen:

• 🔥 Could withstand heat over 1,000°F without burning.

• ⚙️ Provided insulation for high-pressure steam systems.

• 🧱 Protected bulkheads, floors, and pipes from sparks and fire.

• 💨 Reduced engine room heat transfer and improved efficiency.

Unfortunately, those same fibers easily became airborne and remained suspended in confined areas like boiler rooms and ship hulls.

Goal: Recognize that asbestos was built into everyday safety equipment and materials used by welders and pipefitters.

🪖 Step 2 – Common Asbestos Products Used by Maintenance Crews

From the 1930s to the 1980s, Navy shipyards, power plants, and industrial construction sites used asbestos in almost every thermal insulation product.

Frequent exposure sources:

• 🔥 Welding blankets and fire cloths — made from woven asbestos fibers.

• 🧰 Pipe lagging and insulation — wrapped around steam lines and joints.

• 🧱 Gaskets and flange packing — contained asbestos to prevent leaks.

• ⚙️ Adhesives, cements, and putties — used to seal and patch insulation.

• 💨 Protective gloves, aprons, and coats — woven with asbestos threads.

Goal: Understand that workers were constantly handling asbestos — not just working near it.

🧾 Step 3 – Daily Work That Released Asbestos Dust

Every maintenance task, repair, or welding job could disturb asbestos materials, sending clouds of invisible fibers into the air.

Typical high-exposure activities:

• ⚙️ Cutting or removing pipe insulation before welding or repair.

• 💨 Using air hoses to clean lagging dust off machinery.

• 🧱 Grinding, drilling, or torching near asbestos panels or gaskets.

• 🔩 Replacing asbestos-filled flange packing and valve seals.

• 🧰 Wrapping new insulation around repaired pipes with asbestos cloth.

Goal: Exposure occurred not just during major overhauls but during daily maintenance and ship operations.

⚓ Step 4 – Military and Civilian Jobs at Greatest Risk

Many service members carried the titles of Welders (Navy/Marine Corps), Pipefitters (Navy, Shipyard, Civil Service), or Shipfitters (Structural Repair and Maintenance) — each with high asbestos exposure probability.

High-risk categories:

• ⚙️ Navy Welders: Worked in confined ship compartments and repair docks.

• 🧱 Pipefitters: Installed and removed asbestos lagging on steam systems.

• 🛠️ Shipfitters: Cut and fitted asbestos-lined steel plates and pipe supports.

• 🏭 Civilian Shipyard Workers: Repaired Navy ships during peacetime overhauls.

Goal: Recognize that both active-duty and civilian workers faced long-term asbestos risks in identical environments.

🧰 Step 5 – Where Exposure Occurred on Ships and in Shipyards

Asbestos materials were everywhere on ships and in maintenance yards.
Lagging dust settled in every corner, especially during overhauls or decommissioning.

Primary exposure sites:

• 🚢 Engine and boiler rooms.

• 🧾 Pipe chases, pump rooms, and bilges.

• ⚙️ Hull plating areas and fabrication shops.

• 🧱 Welding and pipefitting bays at shipyards.

• 💨 Storage lockers holding asbestos cloth and insulation.

Goal: Exposure wasn’t limited to a single duty station — it permeated entire ships and dockside repair facilities.

🩺 Step 6 – Health Risks of Asbestos Exposure

Asbestos fibers can stay in the lungs for decades, slowly causing inflammation and cell damage that lead to fatal illnesses.

Diseases linked to exposure:

• 🫁 Mesothelioma: Cancer of the pleural or peritoneal lining.

• 💨 Asbestosis: Fibrotic scarring that limits lung capacity.

• 🩺 Lung Cancer: Especially deadly among smokers with asbestos exposure.

• 🧠 Pleural Plaques: Thickened tissue signaling long-term asbestos injury.

Goal: Early detection is crucial — veterans and shipyard workers should request imaging and occupational-health screenings if symptoms appear.

💼 Step 7 – VA Recognition of Asbestos Exposure in Trade Occupations

The Department of Veterans Affairs (VA) recognizes that welders, pipefitters, and shipfitters faced high asbestos exposure probability during military service.
These roles are explicitly referenced in the VA Asbestos Job Exposure Matrix (AJEM) and M21-1 Adjudication Manual.

Supporting VA evidence:

• ⚖️ MOS and Navy ratings marked “High Exposure Probability.”

• 🧾 M21-1 Manual: Part IV, Subpart ii, Chapter 2, Section C.

• 🛠️ VA medical examiners trained to associate shipboard trades with asbestos.

• 🕊️ 10–45-year latency period recognized for asbestos diseases.

Goal: Reference these official VA guidelines to strengthen your service-connected claim.

🧱 Step 8 – How to File a VA Claim for Asbestos-Related Illness

To win VA benefits, your claim must show both (1) medical diagnosis and (2) credible in-service asbestos exposure evidence.

Required documentation:

• 🪖 DD214 and service records listing trade or MOS.

• ⚙️ Ship assignment or shipyard work history.

• 🩺 Medical diagnosis from a certified pulmonologist or oncologist.

• 🧾 Statements from shipmates or supervisors verifying exposure.

• 💬 Doctor’s nexus letter linking illness to service.

Goal: Assemble a clear timeline connecting your duties to confirmed asbestos products.

💬 Step 9 – Civil Legal Options for Welders, Pipefitters & Shipfitters

Veterans cannot sue the government, but they can seek compensation from asbestos manufacturers that supplied products to the Navy and shipyards.

Common defendants include:

• ⚙️ Johns-Manville (insulation, lagging).

• 🧱 Garlock Sealing Technologies (gaskets, valve packing).

• 💨 Owens-Corning and Fibrex (asbestos blankets).

• 🧰 Armstrong, Eagle-Picher, and Unarco (adhesives, cloths).

• 🪖 Foster Wheeler, Babcock & Wilcox (asbestos-lined boilers).

Goal: File civil and trust-fund claims for compensation that complements, not replaces, VA benefits.

🤝 Step 10 – How Attorneys and VSOs Help Trade Workers and Veterans

Coordinating claims through the VA and civil courts can be complex.
Experienced asbestos attorneys and Veterans Service Officers (VSOs) simplify the process.

They can:

• 🧾 Gather MOS codes and shipyard employment records.

• ⚙️ Document asbestos product exposure and supplier lists.

• 💬 Obtain expert medical nexus opinions.

• 🏛️ File trust-fund and private lawsuits while preserving VA eligibility.

Goal: Rely on professionals familiar with Navy trades and asbestos litigation to maximize your compensation.

🌈 Summary

Navy welders, pipefitters, and shipfitters worked in the hottest, most demanding spaces aboard U.S. ships — surrounded by asbestos-filled blankets, cloths, and lagging.
While these materials protected against burns and fires, they also exposed maintenance crews to deadly dust that causes mesothelioma decades later.
Today, both the VA and civil courts recognize these trades as high-risk asbestos occupations.

📞 Call 800.291.0963 today for free help verifying your exposure, gathering service records, and filing both VA and private claims.