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The Role of House Washing in Preventing Mould and Mildew

Maintaining the exterior of your home goes beyond aesthetics; it’s a crucial aspect of safeguarding your family’s health. Mould and mildew are common microorganisms that build up and thrive on the exterior surfaces of your home and property, posing health risks and potentially causing damage. In this blog post, we’ll explore the health dangers of mould and mildew, explain how exterior house washing can help prevent their growth, and offer practical tips for maintaining a fungi-free environment.


Health Risks Associated with Mould and Mildew on Your Home’s Exterior


Mould and mildew are types of fungus that can develop on various surfaces, particularly in areas exposed to moisture. While they are often associated with damp interiors, these organisms can also flourish on the exterior of your home, including on siding, roofs, and decks. When mould and mildew grow unchecked, they can release spores into the air, which can then be inhaled by those on the property.


Exposure to mould spores, especially long-term, can cause a range of health issues, especially for those with allergies, asthma, or compromised immune systems. Common symptoms include respiratory problems, such as coughing, wheezing, and throat irritation. In severe cases, prolonged mould exposure can lead to more serious health complications, such as chronic sinus infections or lung issues. Even in individuals without preexisting conditions, mould exposure can cause skin irritation, headaches, and fatigue.


An exterior window sill covered in mildew
Not only is the buildup of mould and/or mildew unsightly, but it can also pose real health risks.

How Exterior House Washing Prevents Mould and Mildew Growth


One of the most effective ways to prevent mould and mildew from taking hold on your home’s exterior is through regular exterior house washing. This process involves cleaning the outside of your house using specialised equipment and cleaning agents designed to remove dirt, grime, and organic matter that can serve as a food source for mould and mildew.


  • Removing Moisture and Debris: Mould and mildew thrive in moist environments, including humid marine climates such as that of Auckland. Exterior house washing helps eliminate the buildup of moisture-holding debris, such as dirt and plant matter, from your property’s exterior surfaces. By removing this debris, you reduce the moisture-holding potential of your exterior walls, making it less likely for mould and mildew to grow.


  • Killing Existing Spores: Professional exterior house washing often involves the use of cleaning solutions that are effective in killing mould and mildew spores. This not only removes existing growth but also prevents new spores from developing and proliferating across your home’s exterior.


  • Preventing Staining and Damage: Mould and mildew can cause unsightly stains on your home’s exterior or eat through the paint or finish, diminishing its curb appeal. Over time, these stains can become more challenging to remove and may even damage building materials such as wood, brick, or vinyl. Regular house washing helps maintain the integrity of your home’s exterior, prolonging its lifespan and preserving its appearance.


Tips for Maintaining a Mould-Free Exterior Environment


While exterior house washing is crucial for mould prevention, there are additional steps homeowners can take to maintain a fungi-free environment.


  • Keep Gutters Clean: Clogged gutters can lead to water overflow, which can increase moisture levels around your home. Keep your gutters clean to ensure they are free of debris and functioning correctly.


  • Trim Back Vegetation: Trees, shrubs, and other vegetation growing too close to your house can trap moisture against your exterior walls. Keeping these plants trimmed back will improve air circulation around your home and reduce the likelihood of mould and mildew growth.


  • Check for Leaks: Inspect your home’s exterior for any leaks or cracks where water could seep in and contribute to moisture buildup. Repair any damage promptly to prevent mould from gaining a foothold.


  • Use Mould-Resistant Paints: Consider using mould-resistant paints or sealants on your exterior surfaces. These products contain antimicrobial agents that can help prevent the growth of mould and mildew.


  • Schedule Regular House Washing: Establish a routine for regular house washing, ideally once a year, or more frequently if you live somewhere prone to dirt or salt buildup. Regular cleaning will keep your home’s exterior free from the buildup of mould-conducive substances. Gutter cleaning and other exterior cleaning services can be done at the same time, simultaneously hitting two major targets in the fight against fungi.


Conclusion


Mould and mildew are not just unsightly but pose real health risks to you, your family, your pets, and maybe even your guests. Regular exterior house washing is a vital preventative measure to keep these harmful fungi at bay. By incorporating exterior cleaning into your home maintenance routine and following the additional tips provided, you can maintain a clean, healthy, and beautiful home exterior year-round.


Investing in professional house washing services with The House & Building Wash Company is an investment in the health of your home and those who live in it. Stay proactive, get in touch with us today, and enjoy the peace of mind that comes with a mould-free living environment.

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