Many people diagnosed with asbestos-related illnesses today were exposed at work decades ago, often without knowing it at the time.

Shipyards, construction sites, power stations, schools and hospitals are repeatedly linked to exposure. Symptoms typically appear slowly, which is why claims often arise long after employment has ended.

Asbestos has a long shadow. Most of the damage it causes is not immediate, and that delayed impact explains why so many people only start asking questions later in life. We regularly speak to individuals who worked in ordinary roles, in familiar buildings, and are only now being told that asbestos may explain what is happening to their health.

Why was asbestos used so widely in workplaces?

For much of the 20th century, asbestos was seen as a wonder material. It resisted heat, strengthened cement, insulated pipes and reduced fire risk. In industries where heat, friction or pressure were everyday concerns, it was everywhere.

The problem, now well understood, is that asbestos fibres can lodge in the lungs when inhaled. Over time, they can cause serious conditions, including:

• Mesothelioma
• Asbestosis
• Pleural thickening
• Asbestos-related lung cancer

These diseases often develop 20 to 50 years after exposure. That long latency period is one of the reasons asbestos claims feel so complex and so personal.

Shipbuilding and maritime work: a high-risk environment

Shipbuilding is one of the clearest examples of widespread asbestos exposure. Boilers, pipework, engine rooms and bulkheads were routinely insulated with asbestos materials.

Laggers, welders and engineers often worked directly with it. Others, such as electricians or cleaners, might never have handled asbestos themselves, yet still breathed it in as fibres drifted through poorly ventilated spaces. One former dockyard worker once described the dust as “just part of the furniture”. At the time, no one questioned it.

Construction and building work: exposure wasn’t limited to specialists

Construction workers are still among the most commonly affected groups.

Asbestos was used in insulation boards, roofing sheets, sprayed coatings and textured finishes. Carpenters cutting boards, plumbers accessing pipe ducts, demolition crews breaking through walls, and even general labourers sweeping up dust were all potentially exposed.

What surprises many people is how low-level exposure can still matter.

Power stations and heavy industry

Power stations, steelworks and factories relied heavily on asbestos to manage heat and reduce fire risk. Turbines, generators and boilers were frequently lagged with asbestos-based materials.

Engineers, maintenance staff and fitters often worked in confined areas where fibres accumulated. Protective equipment was minimal or non-existent. Looking back now, many describe environments that would never meet modern safety standards.

Schools, hospitals and public buildings: hidden risks

Asbestos exposure wasn’t limited to industrial settings. Large numbers of schools, hospitals, council offices and other public buildings were constructed or refurbished using asbestos-containing materials.

Caretakers drilling into walls, nurses working near damaged ceiling panels, or teachers in older classrooms may have been exposed without realising. In hospitals, especially, asbestos was used extensively for insulation and fireproofing.

This is often the most difficult category emotionally. People simply did their jobs in places that were meant to be safe.

Do high-risk jobs always mean higher exposure?

Not always. This is one area where nuance really matters.

Some individuals with intense short-term exposure may never develop illness, while others with relatively low-level exposure may do. Factors such as duration, type of asbestos fibre, working conditions and individual susceptibility all play a role.

Legally, this is why asbestos claims focus on evidence rather than assumptions. Employment records, witness statements and knowledge about how specific sites operated can all be important.

What if the exposure happened decades ago?

This is one of the most common questions we hear.

UK law recognises the long delay between exposure and diagnosis. You can often still pursue a claim even if the employer no longer exists, or the exposure happened decades ago. In many cases, insurers of former employers can still be identified.

A legal claim in this context is not about hindsight or blame. It is about accountability and securing financial support for treatment, care and family security.

Why are people coming forward now?

There has been a noticeable rise in awareness. Better diagnostic tools, broader media coverage, and more open conversations about workplace health all play a part.

We also see people encouraged by friends or former colleagues who have already made a claim. Often they say, “I didn’t think it applied to me.” In reality, it often does.

Contact our Industrial Disease solicitors today

If you require legal support with any issues covered in this article, please get in touch with our specialist Industrial Disease team by using our online enquiry form or by calling
0330 191 4448.

We are always open to an initial conversation, even if you are unsure whether asbestos exposure is relevant to your situation. Sometimes, asking the question is the hardest step.