Key Takeaways
- For much of the 20th century, asbestos was used in furnace insulation, refractory materials, pipe coverings, and other heat-resistant products found in glass manufacturing plants.
- Exposure usually came from the equipment and buildings needed to make glass, not from the glass itself.
- Furnace repairs, pipe and boiler work, equipment removal, and renovations could release asbestos fibers, affecting both maintenance crews and nearby workers.
- A job title alone rarely tells the full story. Specific memories about equipment, repairs, coworkers, and other jobs can help reconstruct an exposure history.
- Mesothelioma and asbestos-related lung cancer can develop decades after exposure, so former glass workers should document their entire work history.
- If you worked in glass manufacturing and have been diagnosed with mesothelioma or lung cancer, call 800-505-6000 for a free case review.
Glassmaking depends on heat, precision, and specialized equipment. For generations, glassblowers have worked near furnaces capable of melting raw materials at temperatures high enough to transform them into molten glass. But the heat that makes glass production possible also creates a challenge: protecting the surrounding equipment, buildings, and workers from extreme temperatures.
For much of the 20th century, asbestos was one of the materials manufacturers used to address that challenge.
Its presence in industrial insulation, furnace components, and other heat-resistant products created potential exposure risks that extended beyond the workers installing those materials. Glassblowers, furnace operators, maintenance crews, and other employees could encounter asbestos while performing everyday tasks inside older manufacturing facilities.
Understanding where asbestos may have entered the glassmaking process can help former workers investigate their exposure histories, particularly if they have since been diagnosed with mesothelioma or asbestos-related lung cancer.
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The Heat Behind Glassmaking Created an Overlooked Exposure Risk
Glass production requires more than a furnace capable of melting raw materials. Manufacturing facilities also need equipment that retains heat, protects surrounding structures, and withstands repeated cycles of heating and cooling.
Historically, asbestos-containing materials were used in some industrial applications because they resisted heat and provided insulation. Depending on the facility and the equipment involved, these materials could be found around furnaces, kilns, pipes, boilers, and other high-temperature systems.
The important distinction is that asbestos exposure in glass factories did not necessarily come from the glass itself. It could come from the infrastructure required to manufacture it.
This distinction matters when investigating historical workplace exposure. A glassblower might remember spending most of the workday shaping molten glass without realizing that insulation surrounding a furnace or piping system contained asbestos.
The specific materials varied by manufacturer, facility, and period. Not every glassmaking operation used asbestos, and the presence of a furnace alone does not establish that a worker was exposed. However, older industrial equipment and its associated insulation may warrant closer examination when reconstructing a worker’s employment history.
When the Furnace Needed Repair, the Risk Could Change
Operating industrial equipment and repairing it are two very different activities when it comes to potential asbestos exposure.
A furnace could remain in service for years, but its insulation and associated components might eventually require maintenance, replacement, or repair. Depending on the materials involved, this work could disturb asbestos-containing products and release fibers into the surrounding air.
Consider the difference between a worker shaping glass beside an insulated furnace and a maintenance employee removing deteriorated insulation during a repair. Their proximity to the same equipment does not necessarily mean they experienced the same exposure circumstances.
Several types of work deserve particular attention when reviewing historical glass factory conditions:
- Furnace maintenance: Repairs involving insulation, refractory materials, seals, or other components could disturb materials that historically contained asbestos.
- Pipe and boiler repairs: Workers servicing steam lines and industrial heating systems may have encountered asbestos-containing pipe insulation or protective coverings.
- Equipment removal: Replacing older machinery could involve dismantling or disturbing insulated components.
- Facility renovations: Construction and renovation activities could disturb asbestos-containing materials in walls, ceilings, utility systems, and other parts of older industrial buildings.
These activities may also have affected employees who were not directly responsible for the repairs. Depending on the work area, ventilation, protective measures, and materials involved, nearby workers could potentially have encountered airborne fibers.
For former employees, remembering when equipment was repaired or replaced may provide useful details that are missing from a job title or employment record.
Why a Job Title May Not Tell the Whole Story
Two people who worked in the same glass factory could have had very different workplace experiences.
One glassblower may have spent most of the day at a particular furnace. Another may have moved between production areas, assisted with equipment changes, or worked alongside maintenance crews. A third employee may have previously worked in construction, shipbuilding, steel production, or another industry where asbestos-containing products were used.
These differences matter because an occupational exposure investigation looks beyond the name of an employer or the title listed on a personnel record.
For former glassblowers, useful questions may include:
- Which furnaces, kilns, or production lines did you work near?
- Did your responsibilities include cleaning, maintaining, or repairing equipment?
- Were you present when insulation was installed, removed, or replaced?
- Did you work near pipefitters, mechanics, electricians, or other maintenance personnel?
- Were you employed at more than one manufacturing facility?
- Did you perform other industrial jobs before or after working in glass production?
Specific memories can be valuable even when the exact product name is unknown. For example, remembering that workers removed old insulation from a furnace during a shutdown may help identify an area that deserves further investigation.
Employment records, union records, historical facility documents, and information from former coworkers may help supplement those memories.
The Long Gap Between Glassmaking and a Diagnosis
One challenge in investigating asbestos exposure is the amount of time that can pass between a person’s employment and the development of an asbestos-related disease.
Mesothelioma can develop decades after the initial exposure. As a result, someone who worked in a glass factory during the 1960s, 1970s, or 1980s may not receive a diagnosis until much later in life.
By then, the factory may have changed ownership, the original equipment may have been removed, and former coworkers may be difficult to locate.
This time gap can make it harder to identify the materials used at a particular facility. It can also make seemingly minor details, such as the name of a furnace manufacturer or the approximate year a production line was replaced, more useful than they initially appear.
Former glassblowers who have received a mesothelioma diagnosis may benefit from documenting their entire work history rather than concentrating exclusively on their final employer.
An investigation may need to consider multiple workplaces, different job responsibilities, and products encountered throughout a career. A diagnosis alone does not establish where exposure occurred, so the available evidence must be evaluated individually.
What Glassblowers Should Know About Mesothelioma and Lung Cancer
Asbestos exposure is associated with several serious diseases, including mesothelioma, lung cancer, and asbestosis.
Mesothelioma is a cancer affecting the mesothelium, the thin tissue lining certain organs. Pleural mesothelioma develops in the lining around the lungs, while peritoneal mesothelioma affects the lining of the abdominal cavity.
Asbestos exposure can also cause lung cancer. Cigarette smoking is an additional risk factor, and smoking combined with asbestos exposure can substantially increase lung cancer risk.
These diseases are not unique to glass manufacturing, and working in a glass factory does not automatically mean a person will develop an asbestos-related illness. The relevance of a worker’s history depends on the actual exposure circumstances and other individual factors.
Former glassblowers concerned about past exposure should discuss their occupational history with a healthcare professional. Anyone experiencing concerning respiratory symptoms should seek appropriate medical evaluation rather than assuming the symptoms are related to a particular workplace exposure.
Could a Former Glassblower Have an Asbestos-Related Claim?
For individuals diagnosed with mesothelioma or asbestos-related lung cancer, determining how and where exposure occurred may also be important when evaluating potential legal options.
A claim may involve investigating the products used at a workplace, the companies responsible for those products, and the circumstances in which a person encountered asbestos. The evidence needed depends on the particular case and applicable law.
For a former glassblower, relevant information might include the facilities where they worked, the equipment they operated, maintenance activities they witnessed, and any other industrial jobs they held.
Not every glass factory worker will have a viable claim. However, a lack of firsthand knowledge about asbestos-containing products does not necessarily mean a person’s exposure history cannot be investigated.
The Halpern Law Firm represents individuals and families affected by mesothelioma and asbestos-related illnesses throughout Pennsylvania. Our team can help individuals understand their potential legal options based on their work histories and circumstances.
If you or a loved one developed mesothelioma or asbestos-related lung cancer after working in glass manufacturing, call us at (800) 505-6000 or fill out our contact form.
Frequently Asked Questions
Were glassblowers exposed to asbestos?
Some may have been. Glass plants relied on high-temperature furnaces, kilns, boilers, and steam lines, and asbestos-containing insulation and heat-resistant materials were used in many industrial facilities for much of the 20th century. Whether a specific glassblower was exposed depends on the facility, the time period, and the work they performed.
What asbestos products might have been used in glass factories?
Depending on the plant and era, asbestos may have been present in furnace and kiln insulation, refractory materials, pipe and boiler insulation, gaskets and seals, and heat-resistant protective gear such as gloves and pads. Building materials in older facilities could also contain asbestos.
Could I have been exposed if I never handled insulation myself?
Possibly. Asbestos fibers released during repairs or removal of insulation can travel through the air, so workers near maintenance activities may also have been exposed. That is why it helps to remember whether you worked near pipefitters, mechanics, or furnace repair crews.
How long after working in a glass factory can mesothelioma develop?
Mesothelioma typically develops 20 to 50 years after asbestos exposure. Someone who worked in a glass plant during the 1960s, 1970s, or 1980s may not be diagnosed until much later in life.
Can family members of glass workers be exposed to asbestos?
Yes. Asbestos fibers could be carried home on work clothes, hair, and skin, exposing spouses and children who handled or laundered the clothing. This is known as secondhand or take-home exposure, and family members who develop mesothelioma may also have legal options.
What if the glass factory I worked at has closed?
A claim may still be possible. Asbestos claims often focus on the companies that manufactured or supplied the asbestos products, not just the employer. Many of those manufacturers set up asbestos trust funds, and others remain in business and can be named in a lawsuit.
What information should a former glassblower gather before contacting a lawyer?
Helpful details include the names and locations of every plant you worked at, approximate dates, your job duties, the equipment you worked near, any repairs or renovations you remember, and other industrial jobs you held. Even partial memories can help. Call The Halpern Law Firm at 800-505-6000 for a free case review.
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