How To Stop Mould From Coming Back

Protect your home and family from the harmful effects of mould by learning how to prevent it from coming back. Explore in this the best mould prevention tips on fixing leaks, ventilating your home, controlling humidity, and more.

Mould creeping up in your home can be a frustrating and potentially hazardous issue.


This unsightly fungus, spurred on by excessive moisture, has an annoying habit of returning even after cleaning.


In this blog post, we will guide you through effective strategies to prevent mould re-infestation and maintain a healthier living environment.


Ready to reclaim your space from recurring mould problems? Let’s dive in!


Key Takeaways


  • Stop mould from coming back by keeping air moisture to a minimum
  • Keep your home well – ventilated to reduce condensation and inhibit mould growth.
  • Control moisture levels by using dehumidifiers or moisture absorbers, and promptly fixing any leaks or water issues.
  • Use mould – resistant products and materials to prevent the growth of mould and mildew.


UK Studies on Mould Prevention


According to a study by the British Thoracic Society found that mould exposure can increase the risk of respiratory problems, such as asthma and bronchitis.


In a study by the University of Manchester found that mould exposure can increase the risk of allergies.


The study by the University of Leeds found that mould exposure can damage your home, causing it to deteriorate and become less energy efficient.


Understanding What Causes Mould


Mould is a persistent pest that thrives in damp and poorly ventilated areas, wreaking havoc on both your property and health.


Among the most common triggers for mould growth are condensation, humidity, water leaks and rising damp – essentially anything that creates a moist environment.


As mould reproduces by making spores, it tends to multiply rapidly in such conditions. Household sites particularly prone to these issues include bathrooms, kitchens or spaces where furniture impedes air circulation.


Excess condensation can present a significant problem; often due to inadequate ventilation, this can lead to black mould forming on walls.


Equally problematic is unchecked moisture resulting from water leaks or poor weatherproofing of external walls – this can also instigate mould growth in addition to causing structural wear-and-tear.


The underlying requirement for successful mould remediation is understanding these causes as they serve as the blueprint for prevention strategies you need to keep your home healthy and mould-free.


How to Prevent Mould and Mildew


Preventing mould and mildew is crucial for maintaining a healthy home environment. Keep your home well-ventilated, control moisture levels, fix any leaks promptly, use mould-resistant products and materials, and clean and dry surfaces regularly to prevent their growth.


Keep your home well-ventilated


Keeping your home well-ventilated plays a pivotal role in preventing mould growth. Adequate ventilation helps remove excess moisture from the air, thus reducing the likelihood of condensation which can lead to black mould on walls.


Consider installing extractor fans in moisture-prone areas like your kitchen and bathroom. These devices work effectively to expel moisture-laden air outside, thereby inhibiting conditions suitable for mould multiplication.


Moreover, ensure that all rooms in your home have good airflow by opening windows or doors regularly. This strategy aids in circulating fresh air and ejecting stagnant moist air that could foster mould regeneration despite prior removal efforts.


Especially if you’re living in a humid climate, maintaining proper ventilation decreases the risk associated with persistent dampness – making it central to any successful ‘How To Stop Mould Coming Back’ strategy.


Without thorough ventilation measures, even Mould Removal Service may struggle with recurrent cases; hence always prioritise letting fresh air freely circulate inside your house as an essential part of effective Mould Remediation.


Control moisture levels


Controlling moisture levels is a crucial strategy in your quest on how to stop mould from coming back. It’s understood that mould spores thrive in damp conditions. As such, maintaining a dry environment inhibits their growth and prevents recurring bouts of this nasty fungus.


One practical tip is to keep indoor humidity between 30% and 50%, effectively creating an unfavourable condition for mould development.


You can achieve this by using dehumidifiers or moisture absorbers which efficiently absorb excess moisture in the air, thus breaking the lifeline of proliferating mould spores.


Additionally, items like wet clothes should be dried properly before storage to avoid creating hotspots for mould growth; drying them un-bunched on a line proves beneficial here.


In essence, mastering effective moisture control not only supports successful mould removal but also forms part of an ongoing solution against future infestations.


Fix any leaks or water issues promptly


One of the most important steps in preventing mould and mildew is to fix any leaks or water issues promptly.


Water leaks, whether from pipes, roofs, or windows, can create a damp environment that is ideal for mould growth.


It’s crucial to address these issues as soon as possible to prevent moisture from seeping into your walls, floors, or ceilings.


By fixing leaks promptly, you are effectively stopping the primary source of moisture that mould needs to thrive.


So remember, act quickly and efficiently when it comes to fixing any leaks or water problems in your home to keep mould at bay.


Use mould-resistant products and materials


To effectively prevent the growth of mould and mildew in your home, it’s important to use mould-resistant products and materials.


These specially designed items are made to withstand moisture and inhibit the growth of mould spores.


For example, opting for mould-resistant paint on your walls can be a proactive measure in keeping them free from unsightly patches of black mould.


Additionally, using bathroom fixtures made with anti-microbial materials can help prevent the buildup of harmful bacteria that can contribute to mould growth.


By investing in these types of products, you’re taking an active step towards maintaining a clean and healthy living environment.


Clean and dry surfaces regularly


Cleaning and drying surfaces regularly is crucial in preventing the growth of mould and mildew. Here are some tips to help you keep your home mould-free:


1. Use a disinfectant or fungicidal cleaner to wash affected surfaces. This will remove existing mould spores and prevent them from spreading.


2. Scrub surfaces thoroughly using a brush or sponge to remove any visible mould stains. Pay close attention to cracks, corners, and hard-to-reach areas.


3. Wipe down surfaces with a clean, dry cloth after cleaning to ensure they are completely dry. Moisture is one of the primary factors that contribute to mould growth, so thorough drying is essential.


4. Don’t forget about areas prone to condensation, such as windowsills and bathroom tiles. Regularly wipe down these surfaces to prevent moisture buildup.


5. If you notice dampness or water accumulation on walls or floors, address the issue promptly by fixing any leaks or water issues. Moisture provides an ideal breeding ground for mould and mildew.


6. When cleaning bathrooms, pay extra attention to shower curtains and seals around bathtubs or showers. Soap residue on these surfaces can promote mould growth, so choose curtains that are easy to clean and dry.


7. In areas with high humidity levels, consider using dehumidifiers or moisture absorbers to help regulate moisture in the air.


Practical Mould Removal Tips


While bleach or vinegar solutions can be used to clean areas affected by mould, it’s important to note that these methods are not recommended for surfaces with mould that covers more than a square meter.


These substances may not fully address the root cause of mould growth and can be less effective on porous materials.


Moreover, dealing with mould should not be undertaken without the correct respiratory equipment. It’s crucial to seal off the area and treat the air to kill all mould spores to prevent them from spreading to new areas in the room.


For the best results and to ensure no regrowth, consider using a mould cleaning service such as AirFresh Mould Removal London.


They use industrial mould cleaning products that not only clean the area but create a barrier to prevent further regrowth. These are usually expensive products that require a professional to use them with the correct equipment.


When removing mould, scrub and wipe surfaces thoroughly, ensuring that all traces of mould are removed. Then, dry the surfaces completely to prevent regrowth.


Dispose of any mould-infested items properly, especially porous materials like ceiling tiles, plasterboard, insulation, and carpets that are heavily infested as they cannot be effectively cleaned.


To ensure the safe removal of mouldy items, place them in a sealed plastic bag before taking them outside through the nearest exit for proper disposal.


Properly disposing of these items will help eliminate the source of mould growth and protect your home from future infestations.


Remember, it’s always best to consult with professionals when dealing with extensive mould issues to ensure the health and safety of everyone in the home.


Best Practices to Stop Mould From Coming Back


Following are some good practices to stop mould from returning.


Regularly clean and maintain your home


  • Keep surfaces clean and free from dust and debris to prevent the growth of mould and mildew.
  • Vacuum carpets, rugs, and upholstery regularly to remove any potential sources of mould spores.
  • Dust furniture, shelves, and other surfaces frequently to minimise the buildup of moisture – trapping particles.
  • Clean bathroom fixtures, including showers, tubs, sinks, and toilets, to prevent mould growth in damp areas.
  • Wipe down kitchen countertops, appliances, and cabinets regularly to keep them dry and free from moisture.
  • Launder bedding, towels, curtains, and other fabric items regularly to eliminate any lingering moisture or mould spores.
  • Clean air conditioning and heating vents periodically to ensure proper airflow and reduce the risk of mould growth.
  • Regularly inspect your home for signs of water leaks or damage that could contribute to mould growth. Fix any issues promptly.
  • Keep windowsills clean and clear of condensation by wiping them down regularly with a dry cloth or towel.


Use dehumidifiers or moisture absorbers


Excess moisture in your home can create the perfect breeding ground for mould and mildew. To prevent their growth and keep them from coming back, consider using dehumidifiers or moisture absorbers.


These devices work by attracting and trapping excess moisture in the air, effectively reducing humidity levels. Dehumidifiers are specifically designed to tackle mould spores, making them an ideal choice for preventing mould infestations.


Dampness in your home can lead to condensation, musty odours, and unsightly mildew. However, placing moisture absorbers in dehumidifiers helps prevent this problem by creating conditions that are unfavourable for mould growth.


By choosing the right dehumidifier and implementing other preventive measures like regular cleaning and maintenance, you can effectively keep mould at bay. Consider using dehumidifiers or even air purifiers in bedrooms or areas prone to high humidity levels for optimal results.


Use exhaust fans in bathrooms and kitchens


Installing exhaust fans in your bathrooms and kitchens is a crucial step in preventing the recurrence of mould and mildew. These fans help to circulate the air, removing stale air and moisture from the room, which in turn prevents the growth of mould.


By using an extractor fan, you can significantly reduce condensation settling on walls, ceilings, or windows – all common areas where mould tends to thrive. For maximum effectiveness, opt for extractor fans equipped with a reliable humidistat control that regulates humidity levels effectively.


Good ventilation not only creates a healthier living environment but also reduces the risk of structural damage caused by mould and mildew. So remember, when it comes to keeping mould at bay, don’t forget about installing those essential exhaust fans in your bathrooms and kitchens!


Keep indoor humidity levels below 50%


To prevent the growth of mould and mildew, it’s crucial to keep indoor humidity levels below 50%. Why is this so important? Well, mould thrives in damp and humid environments, making your home a perfect breeding ground if the humidity exceeds this threshold.


Maintaining proper humidity levels not only helps in preventing the regrowth of mould but also ensures a healthy living environment for you and your family. So, invest in dehumidifiers or moisture absorbers and regularly monitor the humidity levels to keep that pesky mould at bay.


Monitor and address any signs of moisture or mould promptly


Moisture and mould can become a big problem if left unchecked. To prevent further issues, it’s essential to be proactive and vigilant in monitoring and addressing any signs of moisture or mould promptly. Here’s what you need to do:


1. Regularly inspect your home for any visible signs of moisture or mould growth, such as damp spots, water stains, or musty odours.


2. Pay close attention to areas that are prone to moisture buildup, such as bathrooms, kitchens, basements, and areas near windows or pipes.


3. Use a dehumidifier to reduce humidity levels in damp areas of your home. Aim for indoor humidity levels below 50% to inhibit mould growth.


4. If you notice any condensation on windows or other surfaces, wipe it away immediately and address the source of excess moisture.


5. Fix any leaks or water issues promptly. Whether it’s a leaky pipe or a roof leak, ensure that the affected area is repaired and dried thoroughly.


6. Clean and dry all surfaces regularly to prevent moisture buildup and create an environment where mould cannot thrive.


7. If you discover small patches of mould (less than 10 square feet), you can try cleaning them yourself using a bleach or vinegar solution. Ensure proper ventilation while doing so and wear protective gear like gloves and masks.


8. However, if the mould infestation is extensive or recurring despite your efforts, it’s best to seek professional assistance from mould specialists for effective remediation.




To effectively stop mould from coming back, it is crucial to understand the causes and take preventative measures.


By keeping your home well-ventilated, controlling moisture levels, promptly fixing any leaks or water issues, using mould-resistant products and materials, and regularly cleaning and drying surfaces, you can greatly reduce the chances of mould regrowth.


Remember to monitor humidity levels and address any signs of moisture or mould promptly. With these best practices in place, you’ll be able to maintain a healthier living environment for years to come.




Q: What are the main causes of mould coming back?


A: The main causes of mould coming back include high humidity levels, poor ventilation, water leaks or condensation issues, and inadequate cleaning or removal of existing mould.


Q: How can I prevent mould from returning in my home?


A: To prevent mould from coming back, it is important to control moisture levels by using dehumidifiers, improving ventilation in areas prone to dampness (such as bathrooms and kitchens), fixing any water leaks promptly, regularly cleaning and drying surfaces prone to moisture buildup, and ensuring proper insulation to prevent condensation.


Q: Can I use bleach to stop mould from recurring?


A: While bleach can kill existing mould on hard surfaces temporarily, it is not effective at preventing mould from returning. This is because bleach does not kill mould spores, which are the root cause of mould growth.


Moreover, bleach can’t penetrate porous materials where mould often grows, such as wood and drywall. Therefore, it’s best to use other methods to prevent mould from coming back, such as controlling moisture levels and improving ventilation.


Q: When should I call a professional to deal with mould?


A: If the mould covers a large area (more than 10 square feet), if it keeps coming back despite your efforts, or if you have health concerns related to mould exposure, it’s best to call a professional. Professionals have the necessary equipment and expertise to safely remove mould and prevent it from returning.



Mould can be a serious health hazard, so it’s important to take steps to prevent it from coming back once you’ve removed it. 


While you can take some steps to prevent mould growth yourself, it’s always best to call a professional mould removal service if you have a large infestation or if the mould is in a hard-to-reach area.


Call us at 0203 130 4068 to schedule a free consultation.



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