Introduction:
Asbestos, once heralded for its versatility and fire-resistant properties, is now recognized as a silent threat to public health. Despite its ban in many countries, New Zealand still faces the legacy of asbestos-containing materials in buildings constructed before its prohibition. In this blog, we will explore the risks of asbestos in New Zealand, its potential impact on human health, and the importance of proper asbestos management and removal.
Understanding Asbestos in New Zealand:
Asbestos is a group of naturally occurring minerals composed of fine, fibrous crystals. Its use was prevalent in various building materials, such as insulation, roofing, flooring, and wall cladding, until the late 20th century. Buildings constructed before the 1990s are most likely to contain asbestos-containing materials (ACMs).
Health Risks of Asbestos Exposure:
The inhalation of asbestos fibers poses severe health risks to humans. When ACMs are disturbed or deteriorate over time, they release microscopic asbestos fibers into the air. Prolonged exposure to these fibers can lead to serious respiratory diseases, including asbestosis, lung cancer, and mesothelioma - a rare and aggressive form of cancer.
Risk Factors in Older Buildings:
Many older buildings in New Zealand, including homes, offices, and public facilities, may contain asbestos materials. Renovations, demolitions, or any activity that disturbs these materials can release asbestos fibers, increasing the risk of exposure.
Hidden Asbestos in Home Renovations:
DIY home renovations are becoming increasingly popular, but without proper awareness of asbestos risks, homeowners may inadvertently disturb ACMs during these projects. Asbestos can be found in ceiling tiles, pipe insulation, textured coatings (stipple ceilings), and vinyl floor tiles - making it crucial to exercise caution during renovations.
Asbestos in Commercial Properties:
Commercial buildings constructed before the 1990s are also at risk of containing asbestos. Offices, schools, hospitals, and industrial facilities may have asbestos in building materials, necessitating regular asbestos management and inspection protocols.
The Importance of Asbestos Management:
Asbestos management is critical to minimizing the risks of exposure. Property owners and managers must have a thorough asbestos survey conducted by qualified professionals to identify and assess the presence of ACMs. An asbestos management plan should be implemented to monitor, contain, and safely manage any identified asbestos materials.
Safe Asbestos Removal:
If asbestos-containing materials need to be removed due to renovation or demolition, it must be handled by licensed asbestos removalists. Professional removal ensures that asbestos fibers are not released into the air during the process, safeguarding the health of workers and occupants.
Public Awareness and Education:
Raising public awareness about asbestos risks is essential to protect individuals from exposure. Homeowners, tenants, workers, and DIY enthusiasts should be informed about the potential presence of asbestos in older buildings and the precautions to take during any construction-related activities.
Conclusion:
The risks of asbestos in New Zealand are a significant concern for public health and safety. While the use of asbestos in building materials is now prohibited, its legacy remains in many older properties. Proper asbestos management, regular inspections, and safe removal when necessary are vital steps to protect individuals from asbestos-related diseases. Through awareness, education, and proactive measures, we can ensure a safer living and working environment for all, free from the hidden danger of asbestos.
For more information:
Asbestos advice for householders | Ministry of Health NZ
Asbestos – Te Whatu Ora - Health New Zealand
The Management of Asbestos in the Non-Occupational Environment | Ministry of Health NZ