Mould facts and figures
One of the main issues people face is the presence of mould in their homes. This is a common occurrence and if not treated properly can cause health risks such as breathing issues and skin conditions: Mould is a type of fungi that reproduces through airborne spores which can survive extremely harsh weather conditions and spread easily over large areas. Mould spores exist everywhere in the outdoor environment and can get indoors through open doors or windows or attached to clothes or shoes. Once the mould spores get into the property, they will await the right conditions to start developing.
What are the causes of mould?
Mould growth is typically caused by a combination of factors, and it thrives in environments where certain conditions are met. The main causes of mould growth include:
- Moisture: Mould requires moisture to grow, and excessive humidity can provide the necessary conditions. Common sources of moisture include leaks in roofs, walls, or plumbing, condensation, and flooding.
- Warmth: Mould tends to grow in temperatures between 77°F (25°C) and 86°F (30°C). While mould can grow in cooler temperatures, it thrives in warmer environments.
- Poor Ventilation: Inadequate ventilation can contribute to the build up of humidity, which, in turn, creates an environment conducive to mould growth. Areas like bathrooms, kitchens, and basements are particularly vulnerable.
- Organic Materials: Mould feeds on organic materials such as wood, paper, cardboard, and fabric.
- Poor Air Circulation: Stagnant air allows moisture to accumulate, creating conditions favorable for mould growth. Air circulation can help prevent mould by reducing humidity.
What are the health impacts of mould?
Exposure to mould can have various health implications, and different individuals may react differently to mould exposure. Individuals with allergies or respiratory conditions may be more susceptible to health problems related to mould. Here are some potential health implications of mould exposure:
- Allergic Reactions: Mould can trigger allergic reactions in some people, leading to symptoms such as sneezing, runny or stuffy nose, itchy or watery eyes, skin irritation, and throat irritation.
- Respiratory Issues: Mould exposure can exacerbate respiratory conditions, such as asthma.
- Infections: Prolonged exposure to high levels of mould, may lead to respiratory infections or other health issues.
- Irritation of the Eyes, Skin, and Throat: Mould spores can irritate the eyes, skin, and throat, causing discomfort and inflammation.
How to overcome mould?
- Control Indoor Humidity: Keep indoor humidity levels below 60%. Use dehumidifiers in damp areas, ensure proper ventilation in bathrooms and kitchens, and use extract fans when cooking.
- Improve Ventilation: Good ventilation helps prevent the buildup of moisture. Use extract fans in bathrooms and kitchens, and make sure your home has adequate ventilation throughout.
- Clean and Remove Mould: Scrub and clean mould-infested surfaces using a solution of water and detergent.
- Properly Insulate and Ventilate: Ensure accurate insulation in walls and roofs to prevent condensation. Effective ventilation can help maintain a dry environment, reducing the risk of mould growth.
- Regular Maintenance: Conduct regular inspections of your home, checking for leaks, water damage, and signs of mould. Perform routine maintenance on HVAC systems, and clean gutters to prevent water accumulation.
- Monitor Indoor Humidity: Use humidity monitors to keep track of indoor humidity levels. If levels are consistently high, take steps to reduce humidity.
Did you know?
- 90% of our time is spent indoors.
- The quality of indoor air can be 2 – 5 times more polluted than outside air.
- Condensation forms in the home providing ideal conditions for mould to grow.
- Between 3-4% (120,000 to 160,000) of England’s four million social homes have notable amounts of dampness and mould or category three hazards.
- Renters seem to suffer more with mould, 34% of them are living with mould – compared to 22% of homeowners.
- 40% of renters say they have felt stressed because of dampness, mould, and excessive cold in their homes.
- The NHS estimates it could save £38 million per year on treating patients with damp and mould-related illnesses if damp problems were rectified.
Useful links
Please find below useful links to help further educate you on the importance of mould and damp
Residential Ventilation Document Library – Guidance for Professionals – PCA (property-care.org)
Homes (Fitness for Human Habitation) Act 2018 – GOV.UK (www.gov.uk)
Understanding and addressing the health risks of damp and mould in the home – GOV.UK (www.gov.uk)