Australia’s housing boom during the 1960s and 1970s led to widespread use of asbestos-containing materials (ACMs) in construction. For plumbers working on older homes, understanding where asbestos may be present is crucial to ensuring safety and compliance with occupational health standards. With Dean Owens of Plumber Warragul, we explore four key areas where plumbers commonly work and may encounter asbestos in Australian houses built during this period.
1. Pipes and Insulation Materials
One of the most common areas where asbestos was used in plumbing systems is within the insulation of hot water pipes and ducts. Asbestos fibers were mixed with cement and other materials to create durable, heat-resistant coverings for:
- Water and drainage pipes – Asbestos cement pipes were widely used in plumbing and sewerage systems due to their durability and resistance to corrosion.
- Pipe lagging and insulation – Plumbers may find asbestos insulation wrapped around pipes in older homes, especially in areas like basements, underfloor spaces, and behind walls.
- Hot water systems – Asbestos-containing materials were often used in older hot water tanks and the surrounding insulation.
Disturbing these materials during plumbing repairs or renovations can release harmful asbestos fibers into the air, creating a serious health hazard.
2. Bathrooms and Wet Areas
Bathrooms in Australian homes built in the 1960s and 1970s commonly contained asbestos-based materials due to their moisture-resistant properties. Plumbers working in these areas should be cautious of:
- Wall sheeting and ceilings – Asbestos cement sheets were often used in bathroom walls, ceilings, and behind tiles.
- Vinyl flooring and adhesives – Many old bathroom floors had asbestos-backed vinyl tiles, which can release fibers when cut or disturbed.
- Underlay and waterproofing materials – Plumbers may encounter asbestos-based waterproofing layers beneath tiles or shower recesses.
When working on bathroom renovations, removing old fixtures or drilling into walls, it’s essential to test for asbestos before proceeding.
3. Kitchens and Laundry Areas
Kitchens and laundries are another high-risk area for asbestos exposure in older Australian homes. Asbestos was commonly used for its fire-resistant and water-resistant properties in:
- Splashbacks and wall linings – Asbestos cement boards were frequently installed behind kitchen sinks, stoves, and laundry tubs.
- Cabinet backing and flooring – Some cabinetry, benchtops, and flooring materials contained asbestos fibers for added durability.
- Adhesives and sealants – The adhesives used for attaching vinyl tiles and countertops in the 1960s-70s often contained asbestos.
Plumbers replacing pipes, sinks, or installing new appliances must be mindful of potential asbestos contamination in these areas.
4. Roofing, Guttering, and Downpipes
Roof plumbing in older Australian homes often involves working with asbestos-containing materials. Common asbestos risks in roofing and drainage systems include:
- Asbestos cement roofing sheets – Commonly found in homes from this era, these sheets can deteriorate over time and release fibers when disturbed.
- Guttering and eaves linings – Some gutters and fascia boards were made from asbestos materials or contained asbestos-based sealants.
- Downpipes and stormwater drains – Asbestos cement was used in external plumbing, particularly in underground drainage pipes.
Plumbers engaged in roof repairs or replacing old guttering should take proper precautions and wear protective gear to prevent asbestos exposure.
Legal and Safety Considerations for Plumbers in Australia
In Australia, strict regulations govern the handling and removal of asbestos materials. Plumbers working in older homes should:
- Conduct asbestos testing before starting work in suspect areas.
- Use appropriate Personal Protective Equipment (PPE) such as P2 masks and disposable coveralls.
- Follow Safe Work Australia guidelines for asbestos management and disposal.
- Engage a licensed asbestos removalist when dealing with friable or high-risk asbestos-containing materials.
Conclusion
Plumbers working in Australian homes built during the 1960s and 1970s must be aware of the significant risks posed by asbestos. The four key areas where asbestos is commonly found—pipes and insulation, bathrooms and wet areas, kitchens and laundry spaces, and roofing and drainage systems—require careful handling and compliance with safety regulations. By understanding these risks and following best practices, plumbers can protect themselves and homeowners from asbestos exposure.
For professional asbestos assessment and safe removal services, always consult a licensed expert like Dean Owens of Plumber Warragul before undertaking plumbing work in older properties.