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Harmful Effects of Household Mould and How to Prevent It
Mould accumulation in residences is not only unappealing but also a potential source of allergens and harmful toxins, posing significant health risks. In the UK, estimates suggest that a noteworthy percentage of homes, roughly 3-4%, suffer from considerable mould issues, with some individuals even documenting their remediation efforts on social media platforms. Combating damp and managing moisture are crucial steps to prevent mould and maintain a healthy home environment.
The Detrimental Impact of Mould
Noel Folk, CEO and co-founder of EcoAir, explained the destructive nature of mould, stating: “Mould can damage domestic furnishings and décor, and may also cause structural problems. Critically, it can severely affect the well-being of residents. Exposure to mould can trigger coughing, noisy breathing, shortness of breath, and infections of the respiratory system. It can worsen pre-existing conditions like asthma or eczema, initiate allergic reactions, and irritate the skin, eyes, nose, and throat. These effects are particularly pronounced in vulnerable individuals, such as the elderly, young children, infants, and those with existing respiratory issues.”
Understanding Mould Formation
Key Causes of Mould
According to Mr. Folk, “Excessive atmospheric moisture is a primary factor contributing to condensation and dampness within homes.” He further elaborated, stating: “This surplus moisture, combined with warmth, creates ideal circumstances for mould to flourish.”
However, the expert also emphasized three common household practices that unknowingly promote mould growth:
Unintentional Causes of Mould
1. Indoor Laundry Drying
Air-drying laundry indoors is a common practice to reduce energy costs. However, Mr. Folk cautioned that it is a “definite contributor to excess moisture in the air as water evaporates, particularly when drying damp clothes on radiators.”
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He added: “Elevated humidity levels indoors due to accumulated water vapour can result in damp and mould problems. With warmer weather approaching in the UK, take full advantage of opportunities to dry garments outdoors.”
As an effective alternative, Mr. Folk suggests placing a dehumidifier near indoor clothes drying racks. This will “directly extract moisture from both the clothing and the air, ensuring laundry is completely dry within hours and fostering a healthier atmosphere within your home.”
2. Kettle Boiling
Surprisingly, boiling water in a kettle can also contribute to condensation and mould. Any activity producing steam, whether in the kitchen or bathroom, can “add to moisture build-up inside homes,” thus establishing an environment “conducive to condensation, dampness and mould.”
To mitigate this, Mr. Folk advises ensuring homes are “well-ventilated to prevent humidity from becoming trapped.”
He elaborated: “Utilize extractor fans and slightly open a window after showering, bathing, and during or after cooking. For optimal air circulation, create a cross-draught by opening both windows and doors, allowing surplus moisture to escape your residence. To manage humidity and generally enhance indoor air quality, it is beneficial to develop a routine of airing out your home regularly by opening doors and windows for brief periods of 5-10 minutes daily.”
3. Overheating Your Home
Contrary to assumptions, increasing heating levels might not diminish humidity. Warm air actually “holds greater moisture content,” potentially causing “more harm than good by generating ideal warm and humid conditions for mould development.”
Mr. Folk continued: “Furthermore, heating air saturated with moisture is less efficient, likely increasing energy expenditure to heat your home if humidity levels are not addressed initially.”
“Maintaining more consistent temperatures may help partially control mould, but addressing the fundamental issue – moisture – is crucial. Improve airflow by opening windows and doors, use extractor fans, and if problems persist (humidity levels can be easily monitored with a hygrometer), consider investing in a dehumidifier. Dehumidifiers effectively and rapidly manage excess moisture, performing the necessary work to create a drier indoor environment.”