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How to Treat & Prevent Mould in Garden Shed?

Mould growth in sheds is an issue which many shed owners in the UK experience. With the right approach, you can effectively treat and prevent it.

mould growth in timber shed

If you are unsure how to tackle this common problem, we are here to help!

In the following guide, we'll explore practical steps to tackle mould in your shed and create a healthier environment.

Dealing with Mould in Your Shed: A Comprehensive Guide



1. Safety First:

   Before starting the clean-up process, prioritize safety. Wear protective gear, including a mask, gloves, and eye protection, to avoid inhaling mould spores or exposing your skin to potential irritants.

2. Ventilation:

   Improve ventilation in your shed to discourage mould growth. Ensure proper air circulation by installing vents, regularly opening doors/windows, or even using fans. Adequate ventilation helps reduce moisture, which is a key factor in mould development.


3. Moisture Control:

   Address the source of moisture in your shed. Repair leaks, improve drainage, and consider using a dehumidifier to maintain optimal humidity levels. Moisture control is crucial for preventing mould recurrence.


4. Cleaning Solutions:

   Depending on the type of mould, use appropriate cleaning solutions. For mild cases, a mixture of water and detergent may suffice. For tougher moulds, consider using specialized mould cleaners or a mixture of vinegar and baking soda.


5. Scrubbing and Disposal:

   Scrub mould-infested surfaces thoroughly with a stiff brush or sponge. Dispose of any porous materials (e.g., cardboard boxes) that cannot be adequately cleaned. Ensure that the affected items are removed and discarded safely.


6. Protective Coatings:

   Apply mould-resistant coatings or paints to surfaces in your shed. These products create a protective barrier, hindering mould growth and making future cleaning more manageable.


7. Regular Inspections:

   Schedule regular inspections to catch potential mould issues early. Check for signs of leaks, condensation, or dampness. Early intervention can prevent mould from spreading and becoming a more significant problem.


8. Organizational Strategies:

   Organize your shed to minimize clutter and promote air circulation. Store items off the floor on shelves or pallets to prevent them from absorbing moisture. Proper organization helps create an environment less conducive to mould growth.


9. Natural Remedies:

    Consider using natural remedies like tea tree oil or grapefruit seed extract, known for their antifungal properties. These can be mixed with water and sprayed on surfaces to inhibit mould growth.


Taking proactive steps to treat and prevent mould in your shed is crucial for maintaining a healthy and functional space. By identifying the type of mould, addressing moisture issues, and implementing regular maintenance, you can keep your shed mould-free and extend its longevity.

garden building with doors open

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