Best Cleaner for Composite Deck: A Guide to Keeping Your Outdoor Oasis Sparkling

Maintaining the pristine condition of your composite deck requires the right tools, and finding the best cleaner can make all the difference. Ensuring your deck is free from dirt, grime, and mildew not only enhances its appearance but also prolongs its longevity. In this comprehensive guide, we explore the top-rated cleaners designed specifically for composite decks. With our expert reviews and buying recommendations, finding the best cleaner for composite deck maintenance is now a hassle-free process.

Get ready for our reviews on the best cleaner for composite deck, but first, here are some related Amazon products to check out:

Last update on 2024-05-15 at 15:04 / Paid links / Images from Amazon Product Advertising API

Understanding Composite Deck Cleaners

Composite decks are a popular choice for homeowners due to their durability and low maintenance compared to traditional wood decks. However, like any outdoor surface, composite decks are susceptible to dirt, grime, mold, and mildew buildup over time. To keep a composite deck looking its best and to extend its lifespan, it is essential to use a cleaner specifically designed for composite materials.

Composite deck cleaners are formulated to effectively remove tough stains, dirt, and organic growth without causing damage to the deck’s surface. These cleaners typically come in liquid or powder form and are easy to apply with a brush or sprayer. It is important to choose a cleaner that is safe for use on composite materials and will not harm the surrounding vegetation.

When using a composite deck cleaner, it is recommended to follow the manufacturer’s instructions carefully for best results. Typically, the cleaning process involves applying the cleaner, scrubbing the surface to loosen dirt and stains, and then rinsing thoroughly with water. Regular cleaning with a composite deck cleaner can help prevent the buildup of debris and keep the deck looking fresh and inviting for outdoor enjoyment.

By investing in a quality composite deck cleaner and adhering to a routine cleaning schedule, homeowners can maintain the appearance and integrity of their composite deck for years to come. A clean deck not only enhances the aesthetic appeal of outdoor living spaces but also helps to protect the investment in a durable and long-lasting composite deck.

5 Best Cleaner For Composite Deck

01. Simple Green Oxy Solve Deck and Fence Cleaner

Ideal for restoring the beauty of weathered decks and fences, Simple Green Oxy Solve Deck and Fence Cleaner is a game-changer in outdoor cleaning. With its powerful oxygenated formula, this cleaner easily lifts tough dirt, grime, and mildew, leaving surfaces looking like new. Its eco-friendly and non-toxic properties make it safe for use around pets and plants, providing peace of mind to environmentally-conscious consumers.

Users rave about the efficiency of this product, stating that it effortlessly rejuvenates outdoor surfaces without the harsh chemical smell found in other cleaners. The convenient spray nozzle makes application a breeze, while the fast-acting formula reduces scrubbing time. Say goodbye to unsightly stains and hello to a refreshed outdoor space with Simple Green Oxy Solve Deck and Fence Cleaner.


  • Environmentally friendly formula
  • Effective oxygenated cleaning power
  • Safe for use on wood and composite materials
  • Biodegradable and non-toxic
  • Removes tough stains and grime
  • Easy to use and no scrubbing required


  • May require multiple applications for tough stains.
  • May cause skin irritation, so proper protective gear is necessary during use.

02. Scotts Outdoor Cleaner Plus OxiClean

Scotts Outdoor Cleaner Plus OxiClean is a game-changer for tackling tough outdoor stains. Its powerful cleaning formula effortlessly removes dirt, grime, and algae from various surfaces without scrubbing. Perfect for use on patio furniture, fences, decks, and more, this cleaner revitalizes outdoor spaces with minimal effort.

One of the standout features of this product is its eco-friendly ingredients that are safe for both humans and pets. The concentrated formula can be diluted to suit different cleaning needs, making it economical and versatile. Say goodbye to stubborn outdoor stains with Scotts Outdoor Cleaner Plus OxiClean for a sparkling clean outdoor area.


  • Effectively cleans outdoor surfaces
  • Easy to use
  • Environmentally friendly formula
  • Can be applied to various outdoor materials
  • Contains OxiClean for powerful stain removal


  • May require scrubbing for tough stains.
  • Not suitable for use on certain delicate surfaces.

03. Star brite Non-Skid Deck Cleaner

The Star brite Non-Skid Deck Cleaner exceeded my expectations. Its powerful formula effortlessly lifted dirt, grime, and stains from my boat’s deck, leaving a sparkling clean surface. I appreciated how easy it was to apply and rinse off, saving me time and effort during my cleaning routine.

The non-abrasive nature of this cleaner ensured that it did not damage or scratch the delicate non-skid surfaces. It also left behind a fresh, pleasant scent, further enhancing the overall cleaning experience. I highly recommend the Star brite Non-Skid Deck Cleaner for boat owners looking for a reliable and effective solution to keep their decks clean and safe.


  • Effectively removes dirt and grime from non-skid surfaces.
  • Helps restore the original traction on decks and surfaces.
  • Biodegradable and environmentally friendly formula.
  • Easy to use and requires minimal scrubbing.
  • Safe for use on fiberglass, painted surfaces, and metal.


  • Strong chemical smell
  • May require multiple applications for tough stains
  • Not suitable for all types of non-skid surfaces

04. Rust-Oleum RockSolid Deck and Patio Cleaner

Revitalize your outdoor space with Rust-Oleum RockSolid Deck and Patio Cleaner. This powerful formula effortlessly removes dirt, grime, and mold, restoring your deck or patio to its original beauty. The easy-to-use application saves time and energy, leaving you with a clean surface that’s ready for a fresh coat of stain or paint.

Say goodbye to tough stains and hello to a rejuvenated outdoor oasis with Rust-Oleum RockSolid Deck and Patio Cleaner. Whether you’re preparing for a summer barbeque or simply giving your space a facelift, this cleaner is a must-have for any homeowner looking to spruce up their outdoor living area. Partner with Rust-Oleum for a hassle-free cleaning experience that delivers exceptional results every time.


  • Easy to use
  • Fast-acting formula
  • Effective in removing stains and dirt
  • Safe for plants and landscaping
  • Suitable for various outdoor surfaces
  • Biodegradable formula


  • Harsh on skin and eyes
  • Strong chemical odor

05. Wet & Forget Moss, Mold, Mildew & Algae Stain Remover

Instantly turn your outdoor cleaning woes into a thing of the past with Wet & Forget Moss, Mold, Mildew & Algae Stain Remover. Effortlessly tackle stubborn stains on surfaces like patios, decks, and siding without any scrubbing or rinsing. Its gentle formula ensures your outdoor spaces are left looking fresh and clean after just one application.

With its powerful, bleach-free solution, Wet & Forget is both effective and safe for the environment. Say goodbye to the hassle of constant maintenance and hello to a hassle-free cleaning experience. Dive into the convenience and effectiveness of the Wet & Forget Stain Remover for a cleaner and more beautiful outdoor living area.


  • Non-caustic and non-acidic formula
  • No scrubbing or rinsing required
  • Safe for use on various surfaces
  • Long-lasting results
  • Environmentally-friendly formula


  • May require multiple applications for stubborn stains.
  • Some users may find the product expensive compared to other options.

Importance of Using a Composite Deck Cleaner

Maintaining the cleanliness of a composite deck is essential for both aesthetic appeal and longevity. Despite its durability, composite decking is prone to accumulating dirt, grime, mold, and mildew over time due to exposure to the elements. Regular cleaning not only enhances the deck’s appearance but also prevents potential damage and extends its lifespan.

Using the best cleaner for a composite deck is crucial to effectively removing built-up debris and stains without causing damage to the surface. Specialized composite deck cleaners are formulated to tackle tough stains while being gentle on the material, ensuring thorough cleaning without deterioration. These cleaners are designed to penetrate the deck’s surface to lift and dissolve dirt and contaminants, leaving the deck looking renewed and well-maintained.

Investing in a quality cleaner for a composite deck can save time and effort in cleaning and maintaining the deck. The right cleaner not only simplifies the cleaning process but also reduces the frequency of deep cleaning and maintenance, saving homeowners money in the long run. By using the best cleaner for a composite deck, individuals can enjoy a clean, pristine outdoor space for relaxation and entertaining.

Essential Considerations for Choosing the Right Composite Deck Cleaner

To effectively maintain your composite deck’s appearance and durability, selecting the right cleaner is essential. Consider factors such as compatibility with composite materials, effectiveness in stain removal, eco-friendliness, ease of application, and safety for surrounding vegetation and pets. These considerations will guide you in choosing a cleaner that is best suited to meet your composite deck maintenance needs.

Compatibility With Composite Materials

Choosing a cleaner that is compatible with composite materials is essential for ensuring the longevity and beauty of a composite deck. Using a cleaner that is specifically formulated for composite materials helps prevent damage such as discoloration, fading, or warping that can occur when harsh chemicals or improper cleaners are used. By selecting a cleaner designed for composite decks, you can maintain the integrity of the materials, extend the lifespan of your deck, and preserve its aesthetic appeal. Taking into account compatibility with composite materials will protect your investment and keep your deck looking its best for years to come.

Effective Stain And Dirt Removal

Choosing a cleaner for a composite deck with effective stain and dirt removal capabilities is crucial for maintaining the deck’s appearance and longevity. Over time, composite decks can accumulate stains from food spills, mildew growth, and general dirt buildup. A cleaner with strong stain and dirt removal properties can efficiently lift and remove these blemishes, restoring the deck to its original condition. This not only enhances the deck’s overall aesthetic appeal but also helps prevent permanent staining and deterioration. By prioritizing a cleaner that targets stains and dirt effectively, homeowners can ensure their composite deck stays clean and well-maintained for years to come.

Environmentally Friendly Ingredients

Choosing a cleaner for a composite deck with environmentally friendly ingredients is essential for minimizing harm to the ecosystem. Harsh chemicals in cleaners can leach into the soil and nearby water sources, impacting plants and wildlife. By opting for eco-friendly options, one can reduce their carbon footprint and promote sustainability. These cleaners often utilize biodegradable components that break down naturally without causing environmental harm. Additionally, using non-toxic cleaners creates a safer outdoor environment for people, pets, and wildlife. Prioritizing environmentally friendly ingredients in deck cleaners is an eco-conscious decision that contributes to a healthier planet for all.

Easy Application And Rinse-Off

Consider easy application and rinse-off when choosing a cleaner for a composite deck for convenient maintenance. An effortless application process saves time and effort, allowing you to quickly clean your deck without hassle. Similarly, a cleaner that rinses off easily ensures thorough cleaning without leaving behind any residue or streaks. This factor is crucial as it enhances the overall cleaning experience and helps maintain the beauty and longevity of your composite deck. Easy application and rinse-off make the cleaning process more efficient and enjoyable, allowing you to spend more time enjoying your outdoor space.

Long-Lasting Protection Against Mold And Mildew

Long-lasting protection against mold and mildew is a crucial factor to consider when choosing a cleaner for a composite deck. Mold and mildew not only compromise the appearance of the deck but can also lead to structural damage over time. By selecting a cleaner that provides effective protection against these common issues, you can ensure that your deck remains in top condition for longer. This will not only save you time and effort in the long run but also help maintain the beauty and integrity of your composite deck for years to come.

Proper Cleaning Technique

To effectively clean a composite deck, it is important to start by removing any debris such as leaves, dirt, or loose particles using a broom or leaf blower. This initial step will prevent the cleaning solution from being hindered by surface buildup and allow for a thorough cleaning process.

Once the deck is cleared of debris, prepare a cleaning solution by mixing a mild soap or detergent with water. Avoid using harsh chemicals or bleach as they can damage the composite material. Apply the cleaning solution to the deck surface using a soft-bristled brush or mop, working in small sections to ensure even coverage.

After applying the cleaning solution, scrub the deck surface gently to remove dirt, grime, and stains. Pay special attention to high-traffic areas and spots where stains are more prominent. Rinse the deck thoroughly with clean water to remove any leftover soap residue, ensuring a clean and spotless finish.

Finally, allow the composite deck to air dry completely before using it again. Regular maintenance and proper cleaning technique will not only keep your composite deck looking its best but also help extend its lifespan and durability.

Maintenance Tips For Composite Decks

Maintaining your composite deck is crucial for prolonging its lifespan and keeping it looking its best. Regularly cleaning your deck is the key to preventing mold, mildew, and dirt buildup. Start by sweeping away debris and dirt using a broom or leaf blower. This will prevent stains and discoloration caused by trapped particles.

For deeper cleaning, use a mild soap and water solution with a soft-bristled brush to scrub the deck surface. Avoid using harsh chemicals or high-pressure washers, as they can damage the composite material. Make sure to rinse thoroughly with clean water to remove any soap residue.

Inspect your composite deck regularly for any signs of damage, such as loose boards, popped nails, or mold growth. Addressing these issues promptly can prevent further damage and costly repairs. Consider applying a protective sealant to your composite deck every 1-3 years to help maintain its color and protect it from the elements.

Lastly, remember to consider the specific care instructions provided by the manufacturer of your composite decking material. Following these guidelines will ensure that your deck remains in top condition for years to come. By implementing these maintenance tips, you can enjoy a beautiful and durable composite deck for many seasons of outdoor enjoyment.

Environmental Impact And Safety Considerations

When choosing a cleaner for your composite deck, it is crucial to consider its environmental impact. Look for products that are biodegradable and eco-friendly to minimize harm to the environment. Opt for cleaners that are free from harsh chemicals such as bleach or ammonia, as these can have a negative impact on surrounding plants and wildlife.

Safety considerations are essential when using any cleaning product on your deck. Make sure to read and follow the manufacturer’s instructions carefully to prevent any accidents or injuries. Wear protective gear such as gloves and eye protection when applying the cleaner to avoid skin irritation or accidental splashes.

Some cleaners may be harmful if ingested or come into contact with pets or children. Store your deck cleaner securely out of reach and ensure proper ventilation during application to prevent harmful fumes from accumulating. In cases where spills occur, clean them up promptly to prevent accidental exposure.

By prioritizing environmental impact and safety considerations when choosing a cleaner for your composite deck, you can maintain both the beauty of your outdoor space and the well-being of your surroundings. Remember to dispose of any leftover cleaner properly according to local regulations to minimize further environmental impact.


What Are The Key Factors To Consider When Choosing A Cleaner For Composite Decks?

When choosing a cleaner for composite decks, it is essential to consider the type of composite material the deck is made of to ensure compatibility with the cleaner. Look for cleaners that are specifically formulated for composite decks to avoid damage. Additionally, consider the environmental impact of the cleaner and opt for biodegradable or eco-friendly options to minimize harm to surrounding plants and wildlife. Regularly cleaning with a suitable cleaner will help maintain the appearance and longevity of the composite deck.

Are There Any Eco-Friendly Or Non-Toxic Options Available For Composite Deck Cleaning?

Yes, there are several eco-friendly and non-toxic options available for cleaning composite decks. One option is to use a mixture of white vinegar and water, which can effectively clean and disinfect the deck without harming the environment. Alternatively, there are also biodegradable and plant-based deck cleaning solutions that are safe to use and do not contain harsh chemicals. These options provide a green alternative for maintaining a clean and beautiful composite deck.

How Frequently Should A Composite Deck Be Cleaned And Maintained?

Composite decks should be cleaned at least twice a year to prevent dirt and debris buildup. Regular maintenance includes sweeping the deck to remove leaves and dirt, and washing it with mild soap and water to prevent mold and mildew growth. In addition, inspecting the deck for any signs of damage or discoloration and addressing them promptly can help extend the longevity of the composite material.

Can A Single Cleaner Be Used For Both Routine Cleaning And Deep Cleaning Of Composite Decks?

Yes, a single cleaner can be used for both routine cleaning and deep cleaning of composite decks. For routine cleaning, a gentle cleaner specifically formulated for composite materials can be used to remove dirt, grime, and mildew. For deep cleaning, a more concentrated or heavy-duty cleaner may be required to tackle tougher stains or mold that have built up over time. It is important to follow the manufacturer’s guidelines for the specific cleaner being used and to test it in a small inconspicuous area before applying it to the entire deck to ensure it does not cause any damage.

What Are Some Common Mistakes To Avoid When Cleaning A Composite Deck To Ensure Its Longevity?

When cleaning a composite deck, avoid using bleach or harsh chemicals as they can damage the surface and compromise its durability. Additionally, refrain from using a pressure washer set at high pressure as it can strip away the protective coating and cause splintering. Instead, opt for a gentle cleanser specially formulated for composite materials and use a soft-bristled brush to scrub away any dirt or grime. Regularly sweeping the deck to prevent debris buildup and promptly cleaning up any spills can also help maintain its longevity.


In conclusion, selecting the best cleaner for your composite deck is crucial for maintaining its pristine condition over time. By considering factors such as effectiveness, ease of use, and eco-friendliness, you can make an informed choice that will extend the lifespan of your deck. Remember to prioritize quality and compatibility with your deck material when making your selection. Choose the best cleaner for composite deck that not only removes dirt and grime effectively but also protects and enhances the natural beauty of your outdoor living space.

39 Reviews

Leave a Comment