Asbestos Exposure and Maintenance Workers

Maintenance workers across many industries in the United States have long faced the danger of asbestos exposure during routine repair and upkeep tasks. Those working in residential buildings, industrial facilities, schools, and commercial properties frequently encounter asbestos-containing materials in older structures and equipment.

Asbestos exposure remains a serious occupational hazard, significantly increasing the risk of life-threatening illnesses such as mesothelioma and lung cancer. Although regulatory actions have reduced asbestos use, maintenance workers continue to face exposure risks when working with aging infrastructure.

Even decades after its peak use, asbestos remains embedded in older buildings and machinery, creating hidden dangers for the workers tasked with maintaining them.

Maintenance Workers and Asbestos Exposure in the U.S.

Throughout the twentieth century, asbestos was widely used in the manufacturing of insulation, roofing materials, concrete, bricks, pipes, drywall, flooring, gaskets, paints, coatings, and industrial equipment. It was also commonly found in plant machinery, electrical appliances, rubber, plastics, and other materials used in daily operations.

From the early 1900s through the 1980s, maintenance workers routinely encountered asbestos while servicing equipment and performing general repair work. Fibers and dust released during these activities contributed to serious diseases, including mesothelioma and lung cancer.

Although regulations have reduced asbestos use, exposure risks persist because asbestos remains present in many older buildings, machines, and systems. Even with recent bans on certain asbestos types, the extended phase-out period leaves maintenance workers vulnerable when dealing with older infrastructure.

High-Risk Maintenance Tasks

Maintenance workers are responsible for repairs, troubleshooting, and preventive maintenance in offices, industrial facilities, and residential properties. Those working with HVAC systems, boilers, and specialized equipment face heightened exposure risks when asbestos-containing materials are involved.

Common Sources of Asbestos Exposure for Maintenance Workers

Exposure often occurs when maintenance workers cut, drill into, remove, or disturb asbestos-containing materials. These activities can release microscopic fibers into the air, where they may be inhaled or ingested.

Buildings

Structures built before 1980 frequently contain asbestos in roofing materials, cement floor tiles, drywall, insulation, bonding agents, chimneys, asphalt shingles, and siding. Repairing or demolishing these components can release hazardous fibers.

Plumbing Materials

Cement pipes installed in the early twentieth century often contained asbestos. Cutting or repairing these pipes can release fibers, as can work involving older gaskets, valves, flanges, insulation, adhesives, and sealants.

Electrical Systems

Electrical wiring installed prior to the 1980s commonly used asbestos insulation. Maintenance tasks involving cutting or removing older wiring can increase the risk of exposure.

Automotive and Industrial Equipment

Older vehicles and industrial machinery frequently used asbestos in brake pads, friction materials, wiring, insulation, boilers, engines, and hydraulic tools. Servicing this equipment can lead to accidental inhalation of asbestos fibers.

HVAC Systems

Heating and cooling systems in older buildings may contain asbestos insulation, seals, and wiring. Maintenance work on these systems poses a significant exposure risk.

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High-Risk Job Profiles in the Maintenance Industry

While all maintenance workers face some level of risk, certain roles experience higher exposure due to the nature of their duties. These include HVAC technicians, building superintendents, maintenance electricians, industrial machine mechanics, custodians, groundskeepers, landscapers, and general maintenance technicians.

Notable High-Risk Regions in the United States

The Rust Belt

States such as Ohio, Pennsylvania, and Michigan have a long history of manufacturing and heavy industry. Many facilities in this region still contain asbestos materials, increasing exposure risks for maintenance workers handling aging equipment and infrastructure.

Cancer Alley

This region in Louisiana is known for its concentration of chemical plants and refineries. Maintenance workers in these facilities frequently encounter asbestos insulation, gaskets, and machinery components.

U.S. Shipyards

Shipyards along the East and West Coasts, including those in Virginia, California, and Washington, historically used large amounts of asbestos in ship construction. Maintenance and repair work on older vessels continues to pose serious exposure risks.

Health Effects of Asbestos Exposure

Prolonged asbestos exposure can lead to severe and often fatal illnesses with long latency periods. Symptoms may not appear until decades after the initial exposure.

Common asbestos-related diseases affecting maintenance workers include pleural mesothelioma, peritoneal mesothelioma, asbestosis, asbestos-related lung cancer, and other cancers involving the abdomen and reproductive organs.