How to Manage Mould on Your Deck

How to Manage Mould on Your Deck

Apr 25, 2024 | Blog, Deck Cleaning, Deck Protection, Helpful Tips

In Australia, where the climate can swiftly shift from sunny to stormy, our decks can bear the brunt of extreme weather conditions. Recent heavy rainfall and flooding across regions like Queensland, New South Wales, and Victoria have significantly increased the prevalence of mould, a common yet troublesome issue that homeowners face. Here, we explore effective strategies for mould prevention and removal to ensure your deck remains in prime condition.

Understanding Mould Growth on Deck

Mould thrives in damp, humid conditions, which are not uncommon during the Australian rainy season. This fungi can quickly become a nuisance, penetrating wooden decks and potentially compromising their structural integrity. In timber decks, mould can be particularly destructive as it embeds deep within the wood, making eradication challenging and often leading to rot.

mould on outdoor deck

Checking for Mould

Regular inspection of your deck is crucial, especially after periods of heavy rain. It’s essential to examine more than just the surface; look under the deck and in all corners where moisture might accumulate unnoticed. Early detection is key to preventing the spread and deeper penetration of mould.

Effective Mould Removal Techniques

If you discover mould, addressing it promptly will minimise damage. Here are some methods to consider:

Pressure Washing: This is a common method, but it requires care. Use a fan tip nozzle to avoid damaging the wood and maintain an appropriate distance to ensure the water pressure cleans without harming the deck.

Eco-friendly Solutions: Natural options such as tea tree oil or white vinegar can be effective for surface mould. These solutions are gentle on your deck and the environment.

Professional Cleaning: Sometimes, the extent of mould may require professional intervention. Hiring an expert can provide peace of mind and ensure that the mould is thoroughly removed without damaging your deck.

What to Avoid

Steer clear of bleach for mould removal; it can discolour and damage wood decks and is ineffective against mould at its root. Similarly, avoid dry brushing, as it can spread mould spores, exacerbating the issue.

Preventing Mould on Your Deck

Prevention is always better than cure. Here are some preventative measures to keep mould at bay:

Maintain Dryness: Ensure your deck remains as dry as possible, using covers during rain if feasible.

Clear Debris: Regularly sweep your deck to remove leaves, twigs, and dirt that can trap moisture and foster mould growth.

Proper Installation and Maintenance: When installing a new deck, ensure adequate ground clearance to prevent moisture retention. Consider a moisture barrier if installing over concrete or in areas prone to water stagnation.

Conclusion

While mould can be a nuisance, with proper design, regular maintenance, and prompt action when issues arise, it can be managed effectively. This ensures that your deck not only looks great but remains a safe and enjoyable extension of your home for years to come. Always be proactive about deck care to enjoy a pristine outdoor living space, regardless of the weather.

If you are looking for deck maintenance or restoration services like deck oiling, then you don’t have to look any further than DeckSeal. If you want to find out about one of our other services like deck cleaningsanding, staining or painting, then we can help with that too. We bring you the professional expertise of our team of decking professionals and a range of services that will help you to take care of your decking.

If you are interested in deck oiling in Melbourne, Sydney, Perth, Brisbane, the Gold Coast, Adelaide, Wollongong, Hobart, or Byron Bay, give us a call at 1800 332 525, or fill out our online contact form.

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