Many homeowners face the common issue of black spot ruining their patio, but knowing what causes it and how to remove it will have your patio ready for enjoying in no time.
What Causes Black Spots on Your Patio?
The primary culprit of black spot is usually mould, mildew, algae, or a combination of these. These microorganisms thrive in damp and shaded areas, making your patio an ideal breeding ground.
When moisture collects on your patio’s surface and there isn’t enough sunlight to dry it out quickly, mould and mildew spores take advantage of these conditions. Over time, they form unattractive black spots, which not only affect the look of your patio but can make the surface slippery.
How Do I Get Rid of Black Spot on My Patio?
Use a patio cleaner that is suitable for your patio and is specifically designed to remove black spot. Rob Parker’s Best Patio Cleaner is an acid-free product that can be used on outdoor stone and concrete to remove black spot and other microbiological soiling.
How to use RPB Patio Cleaner
- Apply the cleaner directly to the surface being treated using a low-pressure sprayer or brush directly onto the surface.
- Apply at a rate of 3-5 sq. meters per litre. Do not dilute or mix the product with any other substance.
- Ensure the surface is saturated with the cleaner and leave for 10-60 minutes.
- The black spot will now be dead but still adhered to the treated surface.
- To remove, rinse with water using a stiff bristle brush.
Prevent Future Black Spot on Your Patio
Follow these steps to ensure your patio stays beautiful year-round:
- Regular Cleaning: Start by incorporating regular cleaning into your routine. Sweep away debris, leaves, and dirt that can accumulate on your patio’s surface. By keeping it clean, you’ll discourage moisture build-up.
- Sunlight and Airflow: Maximize sunlight exposure and ensure proper airflow around your patio area. Trim back any overhanging branches or vegetation that cast excessive shade or block sunlight. Abundant sun and fresh air inhibit the growth of unwanted spots.
- Apply a Patio Sealer: After cleaning your patio, apply a patio sealer to create a protective barrier. This barrier discourages the development of black spots and lichen.
- Mould and Mildew Inhibitors: Utilize mould and mildew inhibitors, such as RPB Algae Remover and Patio Reviver, as a preventive measure. This product can be applied after cleaning and help deter the growth of these unsightly spots.
- Regular Inspections: Periodically inspect your patio for signs of black spots, mould, mildew, or lichen. Detecting these issues early allows for prompt action and prevents them from becoming more challenging to manage.
- Address Drainage Issues: Ensure your patio has proper drainage to prevent water from pooling. Standing water can contribute to mould and mildew growth.