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How To Clean and Protect Waterproof Cushions?

Maintaining the durability and visual allure of waterproof cushions is pivotal. Regular upkeep and protective measures are crucial in fending off blemishes, mould, and the gradual effects of usage. Outdoor furniture’s appeal is often enhanced by cushions and pillows, adding both comfort and elegance. However, these soft additions bear the brunt of outdoor exposure, accumulating dirt, grime, and various stains, necessitating a sound cleaning regimen. Waterproof cushions for outdoor furniture require specialised care to counter elements like mildew, tree sap, bird droppings, and general wear.

Knowing how to effectively cleanse these elements ensures a welcoming and enduring seating area. Regular cleaning not only maintains freshness but also extends the lifespan of these vital accessories. By implementing the appropriate cleaning methods and protective strategies, you can preserve both the aesthetics and functionality of your outdoor space. Waterproof cushions for outdoor furniture are pivotal components, and their maintenance contributes significantly to an inviting and comfortable alfresco experience. Here’s a comprehensive guide on how to clean and protect waterproof cushions effectively.


To maintain the pristine condition of waterproof cushions, assemble essential tools such as a gentle-bristled brush, garden hose, absorbent towel, vacuum equipped with an upholstery attachment, food dishes detergent, borax, and a bucket of water. These tools form the arsenal for thorough cleaning and protection against stains and grime. The soft-bristled brush delicately removes surface debris, while the garden hose facilitates a thorough rinse. An absorbent towel aids in drying, and the vacuum, equipped with an upholstery attachment, ensures meticulous cleaning. Dish detergent and borax combined with water form an effective solution for tackling tougher stains.

Vacuum The Cushions:

Employ the upholstery attachment on the vacuum cleaner to eliminate loose dirt and dust from the cushion’s surface. Ensure a thorough pass over the entire cushion, giving extra attention to seams and hidden crevices where debris might accumulate. Take caution around decorative elements like buttons to avoid damage while effectively cleaning these areas. This initial vacuuming step helps prepare the cushion for deeper cleaning, ensuring a cleaner surface before delving into more specific stain removal or overall cleansing methods. Removing loose debris is pivotal in achieving a more effective and thorough cleaning process.

Scrub the Cushions:

For this phase, there are two effective methods. Firstly, prepare a cleaning solution using a bucket filled with water and a conservative amount of dish soap. Dip a bristle brush into this solution and gently scrub both sides of the cushion thoroughly. For an eco-friendly option, use undiluted distilled white vinegar in a spray bottle. Spray the vinegar generously onto the cushions and use a bristle brush to scrub away dirt and stains. For tougher stains, allow the vinegar to penetrate the fabric for about 10 minutes before scrubbing. This method is also suitable for cleaning accent pillow cushions. lacking removable covers and it also increase mattress comfort .

Rinse The Cushions:

Employ a garden hose or a pressure washer set at a low to medium setting for rinsing the cushions thoroughly. To safeguard your lawn, conduct this rinsing process on a tarp or an area that prevents chemical runoff. This precaution is particularly crucial when using bleach or other chemicals to avoid any potential harm to the surrounding environment. Ensure complete removal of the cleaning solution or vinegar residue by flushing the cushions with water until they are free from any soap or vinegar remnants. Adequate rinsing is essential to maintain the cushion’s cleanliness and prevent any potential damage from lingering chemicals.

Addressing Resilient Stains:

For persistent stains on outdoor cushions, it’s crucial to approach them strategically. Prioritise spot testing any stain remover on a discreet section of the fabric to ensure it won’t harm the cushion’s material. Diluted bleach is effective in combating stubborn mildew or mould if the fabric permits. If unsure about using bleach, a blend of water and white vinegar in equal parts can serve as an alternative solution. Apply this mixture to the affected area and allow it to sit for 5-10 minutes. This process assists in breaking down and lifting stubborn stains without compromising the cushion’s fabric integrity. Always exercise caution and test any solution before widespread application.


Allow the cushions to air-dry entirely in a well-ventilated space, steering clear of direct sunlight to prevent potential fading or harm. Optimal drying conditions involve a breezy area that promotes efficient evaporation without subjecting the cushions to harsh sunlight. Lay them flat or prop them up in a manner that ensures even airflow on all sides, aiding in a thorough drying process. It’s essential to wait until the cushions are completely dry before returning them to furniture or storage, as any residual moisture can lead to mould or mildew growth, undermining the cleaning efforts.

Waterproofing Treatment:

Enhance the safeguarding of your outdoor cushions by applying a specialised waterproofing spray or solution tailored for outdoor fabrics. This treatment significantly reinforces the fabric’s resistance to water damage, providing an extra layer of protection against potential moisture infiltration. Ensure the cushions are thoroughly cleaned and completely dry before applying the waterproofing solution for optimal effectiveness. Following the manufacturer’s instructions regarding application techniques and drying time is crucial to maximise the effectiveness of the waterproofing treatment. Regular reapplication of the waterproofing solution as per guidelines can help maintain the cushions’ resistance to water damage over time, prolonging their lifespan.

By following these steps, you can effectively clean and protect your waterproof cushions, ensuring they remain in optimal condition for an extended period. 

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