What Is Black Mould?
Black mould, often referred to as Stachybotrys chartarum, is a type of toxic fungus that thrives in damp, humid, and poorly ventilated environments. It’s notorious for its dark green or black appearance and slimy texture, though it can also appear dry in certain conditions. While not all black mould is harmful, the presence of toxic varieties can pose significant health risks and structural problems in buildings.
What Causes Black Mould?
Black mould grows in areas with:
High Moisture Levels: Leaking pipes, roofs, or windows can create the perfect breeding ground.
Poor Ventilation: Lack of airflow in bathrooms, kitchens, or basements increases humidity levels.
Organic Material: It feeds on materials like wood, drywall, or carpets that retain moisture.
Health Risks of Black Mould
Exposure to black mould can lead to a variety of health problems, especially for those with allergies, asthma, or weakened immune systems:
Respiratory Issues: Coughing, wheezing, or difficulty breathing.
Allergic Reactions: Sneezing, skin rashes, or itchy eyes.
Chronic Fatigue: Prolonged exposure can cause tiredness and headaches.
Toxic Effects: In rare cases, prolonged exposure to mycotoxins (produced by some black mould species) may contribute to more severe health complications.
Where Is Black Mould Found?
In New Zealand homes, black mould is commonly found:
Around windows or ceilings with condensation.
In poorly ventilated bathrooms and kitchens.
On damp walls, carpets, or furniture.
Behind cladding or wallpaper where moisture is trapped.
How to Prevent and Remove Black Mould
Control Moisture: Fix leaks, dry wet areas quickly, and ensure proper drainage.
Improve Ventilation: Use extractor fans and open windows to reduce humidity.
Regular Cleaning: Clean surfaces prone to mould with vinegar or specialised mould removers.
Professional Help: For extensive infestations or mould behind walls or cladding, consult experts to assess and safely remove it.
Conclusion
Black mould is more than just an eyesore—it’s a health hazard and a sign of underlying moisture problems. If you suspect mould in your home, addressing the root cause is essential.
Concerned about mould? Contact INSPEC for a professional inspection and advice on protecting your property from hidden issues.
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