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"Keep Your Queensland Home Mould-Free: The Benefits of House Soft Washing"

Queensland, known for its stunning coastlines and tropical climate, also brings unique challenges for homeowners. The high humidity levels, create an ideal environment for mould, mildew, and algae growth on the exterior surfaces of homes. One highly effective method to combat these issues is soft washing. This blog post will delve into the importance of soft washing, its benefits, the recommended frequency for this maintenance task, the best chemicals to use, and the best practices for different house materials.

Understanding Soft Washing

Soft washing is a cleaning method that uses low-pressure water combined with specialized solutions to safely remove mould, mildew, bacteria, algae, and other organic stains from exterior surfaces. Unlike pressure washing, which can damage surfaces with high-pressure water jets, soft washing relies on eco-friendly cleaning agents that penetrate and break down the contaminants without causing harm to the surfaces being cleaned.

How Soft Washing Works

  1. Application of Cleaning Solution: A biodegradable solution is applied to the surface, targeting mould, mildew, algae, and other organic growths.

  2. Dwell Time: The solution is allowed to sit for a period, during which it penetrates and breaks down the contaminants.

  3. Rinsing: The surface is then gently rinsed with low-pressure water, washing away the solution and the contaminants.

The Importance of Soft Washing in Queensland

Combatting Mold and Mildew Queensland's humid climate is a breeding ground for mould and mildew. These fungi not only mar the appearance of your home but can also pose serious health risks to the inhabitants. Mould spores can cause allergic reactions, respiratory problems, and other health issues. Regular soft washing helps prevent mould and mildew buildup, ensuring a healthier living environment.

Preserving Property Value Curb appeal is crucial for maintaining and increasing the value of your property. A home covered in mold, algae, or dirt can be off-putting to potential buyers. Soft washing enhances the aesthetic appeal of your home by keeping the exterior clean and fresh, which can significantly boost its market value.

Extending the Lifespan of Exterior Surfaces Organic growths like mould, algae, and mildew can cause damage to exterior surfaces over time. They can lead to wood rot, paint deterioration, and even structural damage if left unchecked. Soft washing not only cleans but also protects surfaces, extending their lifespan and reducing the need for costly repairs.

Benefits of Soft Washing

  • Soft washing is a gentle method that uses low-pressure water, making it safe for all types of exterior surfaces. This approach minimizes the risk of damage compared to high-pressure washing techniques.

  • The cleaning solutions used in soft washing not only remove existing contaminants but also have residual effects that inhibit the regrowth of mould, mildew, and algae. This means your home stays cleaner for longer periods.

  • By preventing damage and extending the lifespan of your home's exterior surfaces, soft washing can save you money in the long run. Regular maintenance reduces the need for expensive repairs and repaints.

Recommended Frequency for Soft Washing

The frequency of soft washing your home depends on several factors, including the local climate, the amount of shade on your property, and the type of materials used in your home's construction. In Queensland, with its high humidity and propensity for mould growth, it is generally recommended to soft wash your home at least once a year. However, areas with more shade or homes with significant organic growth might benefit from more frequent cleanings, such as every six months.

Soft Washing Techniques for Different House Materials

  • Vinyl siding is a popular choice for homes due to its durability and low maintenance requirements. Soft washing is highly effective for cleaning vinyl siding. The gentle pressure prevents any cracking or warping that can be caused by high-pressure washing.

  • Wood siding requires a more delicate approach to avoid damage. Soft washing is ideal for wood surfaces as it cleans thoroughly without causing splintering or erosion. Regular soft washing helps prevent wood rot and preserves the natural beauty of the wood.

  • Brick and stone are sturdy materials but can accumulate significant amounts of dirt, mould, and algae. Soft washing effectively cleans these surfaces without the risk of etching or degrading the masonry. The cleaning solutions also penetrate the porous surfaces, providing a deep clean.

  • Stucco is prone to staining and can be damaged by high-pressure washing. Soft washing is the safest method for cleaning stucco, removing stains and growths without causing any surface damage.

  • Metal siding, commonly used in industrial and modern residential buildings, benefits from soft washing as it removes rust stains, mould, and algae without scratching or denting the metal.

Composite materials, designed to mimic wood or other natural materials, are durable but can still be susceptible to organic growth. Soft washing maintains the appearance and integrity of composite siding without the risk of damage.

Best Chemicals for Soft Washing

Using the right chemicals is crucial for effective and safe soft washing. Here are some of the best chemicals used in soft washing:

  • Sodium hypochlorite, commonly known as bleach, is a powerful disinfectant that kills mold, mildew, and algae. When diluted properly, it is highly effective for cleaning and sanitizing exterior surfaces. However, it should be used with care to avoid damage to plants and surrounding areas.

  • Surfactants are detergents that help the cleaning solution adhere to surfaces and break down dirt and organic matter. They enhance the effectiveness of sodium hypochlorite and other cleaning agents. Common surfactants include substances like soap or specially formulated detergents for soft washing.

  • Sodium percarbonate is an eco-friendly alternative to bleach. It is a combination of sodium carbonate and hydrogen peroxide that releases oxygen when dissolved in water. This oxygenated cleaning action effectively removes stains and organic growth without harsh chemicals.

  • Potassium hydroxide is used in some soft washing solutions to saponify oils and grease, making them easier to wash away. It is often used in conjunction with other cleaning agents for more effective cleaning.

  • These compounds, also known as "quats," are used for their disinfectant properties. They are effective against a wide range of bacteria, viruses, and fungi, making them ideal for soft washing applications.

  • Citric acid is a natural, biodegradable cleaning agent that is effective for removing stains and mineral deposits. It is often used in environmentally friendly soft washing solutions.

  • Oxalic acid is particularly effective for removing rust stains and other types of metal oxidation from surfaces. It is commonly used on brick, stone, and other masonry surfaces.

Preparing for a Soft Wash

Before you begin the soft washing process, it’s important to prepare your home and surroundings:

  1. Protect Plants and Outdoor Furniture: Cover any plants, outdoor furniture, or other items near your home to protect them from the cleaning solutions.

  2. Close Windows and Doors: Ensure all windows and doors are closed to prevent water from entering your home.

  3. Repair Any Damages: Address any cracks, holes, or other damages on the exterior surfaces to prevent water from seeping in and causing further damage.

  4. Remove Obstacles: Clear the area around your home of any obstacles that might hinder the cleaning process.

Professional vs. DIY Soft Washing

While DIY soft washing is possible, it requires the right equipment and cleaning solutions to be effective and safe. Professional soft washing services have the experience and tools to clean your home thoroughly without causing damage. Hiring professionals can save you time and ensure the job is done correctly.


We offer professional soft and pressure washing service,

Oceanwave Soft and Pressure Washing stands out for several reasons:

  1. Experience and Expertise: With years of experience in soft washing, our team has the expertise to handle all types of surfaces and contaminants.

  2. Eco-Friendly: We prioritize environmentally friendly techniques, ensuring your home and the surrounding environment are safe.

  3. Insurance and Licenses: OceanWave is fully insured and licensed, providing you with peace of mind and protection from any liabilities.

  4. Customer Reviews: Our satisfied customers speak for our quality of service. We encourage you to check our online reviews and ask for references to understand our commitment to excellence.

  5. Guarantees: We stand by our work and offer guarantees to ensure your complete satisfaction with our services.


Soft washing is an essential maintenance task for homeowners in Queensland, offering numerous benefits from preventing mold growth to preserving the aesthetic and structural integrity of your home. The humid climate of Queensland necessitates regular cleaning to protect your investment and ensure a healthy living environment.


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