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Best Cleaner For Composite Decks (2024 Update)

Choosing the best cleaner for your composite deck is an important decision that requires careful consideration. A high-quality composite deck cleaner will help protect your investment and keep your outdoor living space looking its best. When evaluating composite deck cleaners, there are several key factors savvy homeowners research.

First, you’ll want to understand the different types of composite decking materials, as cleaning methods can vary depending on the specific composite your deck is made from. You’ll also need to consider the condition of your deck and the types of stains or dirt you need to remove, as heavy-duty cleaners are required for mold, mildew, and ground-in grime. Evaluating the active cleaning agents is also wise, as powerful ingredients like sodium percarbonate may be required to break down tough accumulations.

It’s also smart to look at any special features the composite deck cleaners offer, such as formulations designed to inhibit future growth of mold and mildew. Checking that the cleaner is safe for composite decks and won’t cause damage to the material is crucial as well. And of course, comparing costs and value is key.

Ask yourself these important questions when researching the ideal composite deck cleaner for your needs: Will this product provide the level of cleaning power my deck requires? Will it brighten my deck and bring back that just-installed look? Will it help protect my composite decking investment against future deterioration? Does this cleaner offer good value for the money? Taking the time to answer these questions will steer you towards the perfect composite deck cleaning product for your home.

10 Best Cleaner For Composite Decks

# Product Image Product Name Product Notes Check Price
1
It is an all-purpose cleaner that is ideal for cleaning various surfaces, including cars, floors, and appliances.
2
Zep Wood is ideal for quickly cleaning and restoring the natural color of outdoor wooden surfaces.
3
Ideal for efficient and precise mowing of large lawns and landscapes with tight spaces and obstacles to navigate.
4
Ideal for maintaining and protecting outdoor surfaces from mold, mildew, and fading caused by UV rays.
5
It is ideal for cleaning and protecting non-slip surfaces to prevent future stains.
6
It is ideal for cleaning and protecting outdoor surfaces from stains.
7
Composite material is ideal for producing strong, lightweight structures and products that are resistant to corrosion and weathering.
8
Ideal for outdoor cleaning and removing dirt, grime, and stains from various surfaces.
9
The product is ideal for protecting and preserving wood decks from weathering, UV rays, and mildew growth.
10
Product is ideal for efficient and precise lawn mowing, adaptable to different landscapes and terrains, suitable for residential and commercial use.
It is an all-purpose cleaner that is ideal for cleaning various surfaces, including cars, floors, and appliances.
Zep Wood is ideal for quickly cleaning and restoring the natural color of outdoor wooden surfaces.
Ideal for efficient and precise mowing of large lawns and landscapes with tight spaces and obstacles to navigate.
Ideal for maintaining and protecting outdoor surfaces from mold, mildew, and fading caused by UV rays.
It is ideal for cleaning and protecting non-slip surfaces to prevent future stains.
It is ideal for cleaning and protecting outdoor surfaces from stains.
Composite material is ideal for producing strong, lightweight structures and products that are resistant to corrosion and weathering.
Ideal for outdoor cleaning and removing dirt, grime, and stains from various surfaces.
The product is ideal for protecting and preserving wood decks from weathering, UV rays, and mildew growth.
Product is ideal for efficient and precise lawn mowing, adaptable to different landscapes and terrains, suitable for residential and commercial use.

1. Simple Green 18200 1 Gallon Simple Green

The Simple Green deck and fence cleaner is a reliable solution to remove dirt, grime, and environmental pollution from outdoor structures. This specially formulated cleaner is designed to work effectively on decks, fences, and other outdoor surfaces, leaving them looking bright and rejuvenated.

Whether you prefer to use a pressure washing system or prefer manual application, this cleaner is versatile and powerful enough to meet your needs. It is safe to use on natural wood, PVC, and composite decking and fences, so you can trust that it won't cause damage or discoloration.

This new formula comes in a concentrated form, which means you can make over 11 gallons of cleaning solution for manual application. It is also safe for use with pressure washing machinery, making it an ideal choice for both DIYers and professionals.

2. Zep Wood

Looking for a powerful pressure washing solution that can remove tough stains and discoloration? Look no further than this construction grade pressure wash cleaner! With its potent formula, this pressure wash liquid can easily tackle even the most stubborn stains, including mold and mildew stains.

Designed for use on a variety of outdoor wooden surfaces, including wood or composite decks, fences, shake roof shingles, and sheds, this pressure wash cleaner is a versatile solution that can handle all your cleaning needs. It's important to note, however, that this cleaner is not suitable for use on acid-sensitive surfaces, so be sure to read the label carefully before use.

One of the key benefits of this construction grade pressure wash cleaner is its powerful formula. Unlike other cleaners that may require multiple applications or extensive scrubbing, this pressure wash liquid can quickly and easily remove stains with minimal effort. Simply apply the solution to the affected area, let it sit for a few minutes, and then rinse it away for a clean, like-new surface.

While this pressure wash cleaner is certainly potent, it's also safe to use when used correctly. Just be sure to follow the instructions carefully, and avoid using it on surfaces that may be sensitive to acid or other harsh chemicals.

3. Timbertech

This versatile deck cleaner is a must-have for any homeowner looking to keep their outdoor space looking pristine. Whether you need to clean an entire deck or just tackle stubborn stains and spills, this cleaner gets the job done. When properly diluted, a single one-gallon bottle of this concentrated formula yields an impressive four gallons of cleaner, enough to clean approximately 1,000 square feet of surface area.

One of the standout features of this deck cleaner is its biodegradable formula. Not only is it effective at cleaning even the toughest grime and dirt, but it's also environmentally friendly. You can feel good about using this cleaner knowing that it won't harm the planet.

This deck cleaner is specially formulated for use with TimberTech AZEK, PRO, and EDGE Capped Decking, Porch, and Railing. It's been designed to clean these products without causing any damage or compromising warranties when used as directed. Additionally, it can also be used for DrySpace and Pavers, making it an incredibly versatile cleaning solution.

4. Resist Mist

Spend more time enjoying your deck with family and friends and less time scrubbing with Resist Mist. This easy-to-use treatment requires just three simple steps every three years to keep your deck looking its best.

Resist Mist's BLEACH FREE Micro Encapsulation technology eliminates stubborn black spot stains, grime, and grease stains and keeps them from coming back. The treatment is easy to apply with a garden pump sprayer, making it simple to maintain your deck's appearance.

Resist Mist's cleaner and sealer are both water-based and VOC-free, using plant-based surfactants and containing zero Volatile Organic Compounds. This means that you can keep Mother Nature's ugly stains off your composite deck, fencing, PVC siding, roofing, cement, brick, pavers, and nearly all exterior surfaces without harming the environment.

This product is not just for decks – it can be used on a variety of exterior surfaces to keep them looking their best.

Resist Mist is recommended by major deck manufacturers, including Timbertech, Trex, Fiberon, and others, so you can trust that it is a high-quality product.

If you're new to Amazon, you can try Resist Mist risk-free – if you don't love it, you can get your money back. And with Resist Mist, you can use the same product that the pros use, making it ideal for use on decks made by Trex, Timbertech, Azek, Green Bay, and more.

Invest in Resist Mist today and spend less time scrubbing and more time enjoying your outdoor space.

5. Non-Slip Deck Protector – 1 Gal

The all-surface cleaner being reviewed is an exceptional product that can effectively clean different types of surfaces such as fiberglass, vinyl, plastic, rubber, metal, and painted surfaces. This cleaner is a powerhouse product that can lift dirt and spills with ease, thanks to its specialized chelating agents. Its unique formulation eliminates the need for heavy scrubbing, making cleaning less stressful and more efficient.

One of the outstanding features of this cleaner is its protective polymers. These polymers leave a protective barrier that helps prevent future stains and spills, which can make cleaning up a breeze. Additionally, this all-surface cleaner is perfect for cleaning non-textured areas, and it won't remove wax or polish, ensuring your surfaces remain in pristine condition.

The manufacturer of this product, Star brite, has been proudly making products in the United States since 1973. This is an added assurance of quality and reliability that customers can trust.

6. Max Defender By Deckmax – Cleans & Defends Against Stains On Outdoor Surfaces

Introducing the MAX Defender Concentrated Time Release Formula, a powerful cleaner that allows you to effortlessly maintain the cleanliness of your outdoor surfaces. This formula is designed to make two gallons, and it keeps on working long after application. With MAX Defender, there is no need for brushing or power washing, simply spray and let Mother Nature do the cleaning for you.

MAX Defender has a long-lasting effect that can last for up to 12 months with each treatment. It effectively reduces and prevents environmental black and green staining on outdoor surfaces, making it an essential product for any homeowner who wants to keep their exterior looking great year-round.

This all-surface cleaner is formulated without harmful chemicals that could cause corrosion to your home or the environment. You can be confident that MAX Defender is safe to use on any outdoor surface without causing harm.

Cleaning outdoor surfaces has never been easier with MAX Defender. Its concentrated formula and time-release technology ensure that you get the most out of every application. Keep your outdoor surfaces looking great with MAX Defender, the easy-to-use, long-lasting cleaner that delivers amazing results.

7. Composite

The Restore Composite Deck Spot Remover is an excellent solution to remove stains from your wood or composite deck. It comes in a neutral 32 oz formula that is free of any harmful solvents, making it safe to use. The kit also includes a high-quality, natural bristle brush, which makes it the perfect choice for cleaning your deck.

Apart from composite and wood decking, this product is also suitable for removing stains on concrete, stone patios, and walkways. With its powerful and concentrated formula, it can easily and safely remove various stains such as food and beverage stains, cooking oil and grease, stains from algae and mold, and more.

The Restore Composite Deck Spot Remover is specifically formulated to remove environmental black and green staining on composite and wood decking. It is an effective solution that can restore the original look of your deck by removing tough stains that are hard to clean.

This product is easy to use, and it comes with clear instructions on how to apply it. It is designed to work quickly, so you can have a clean and spotless deck in no time. The natural bristle brush included in the kit makes it easy to scrub and remove stains from hard-to-reach areas.

8. 30 Seconds Cleaners 1.3g30smps2pa 1.3 Gallon 2 Pack Outdoor

The 30 SECONDS Outdoor Cleaner is a remarkable solution for cleaning organic growth stains on outdoor surfaces. With its rapid cleaning formula, it can easily remove algae, mold, mildew, dirt, and grime, leaving your surfaces looking spotless.

This outdoor cleaner is a DIY home improvement solution that requires no pressure washing or messy mixing. The motorized sprayer included in the package makes it easy to use. Simply follow the instructions and your home will be more beautiful in no time.

The 30 SECONDS Outdoor Cleaner provides immediate results on a variety of outdoor surfaces. It works well on decks, composite and stained surfaces, concrete, bricks and masonry, gutters, siding, canvas, plastic, stucco, fences, arbors, and painted surfaces. The results are visible immediately after use, leaving your surfaces looking brand new.

This outdoor cleaner is plant and lawn safe. When used as directed, it is safe to use around landscaping, plants, and your lawn. The formula breaks down once rinsed into the soil, making it an eco-friendly solution for outdoor cleaning.

All 30 SECONDS products are proudly made in America, ensuring the highest quality standards. When you choose this outdoor cleaner, you can trust that it is made with top-notch materials and manufacturing processes.

9. Defy 2 Lb Wood Deck

The DEFY Wood Cleaner is a versatile and powerful product that effectively cleans and prepares wood surfaces for staining. With its oxygenated bleach formula, it deeply cleans wood and opens up the pores for maximum stain absorption.

Not only does it clean, but it also removes graying caused by UV rays on weathered wood. This feature helps to restore the wood's natural color, giving it a fresh and vibrant look.

Furthermore, the DEFY Wood Cleaner is also effective in removing mill scale from new wood. Mill scale is a crushing of the grain that happens during the milling process, and if not removed, it can prevent wood stains from absorbing evenly and completely.

This product is safe for use around grass and most plants, making it an ideal choice for those who want to clean their wood surfaces without causing harm to their surrounding vegetation.

Aside from being a great deck cleaner, the DEFY Wood Cleaner is also a versatile "whole house" cleaner. It can be used on various surfaces such as wood fences, wood siding, vinyl siding, aluminum siding, sidewalks, driveways, and more.

10. Defy

The DEFY Composite Deck Cleaner is a powerful cleaning solution that is designed to deep clean composite wood surfaces before sealing. This oxygenated bleach cleaner effectively opens the pores of composite wood surfaces, allowing for maximum absorption of the DEFY Composite Deck Sealer.

In addition to its sealing capabilities, this composite deck cleaner is also effective in removing weathered graying caused by damaging UV rays. It's a great solution for restoring the natural color of composite wood surfaces. Moreover, this product is highly effective in removing dirt, debris, and unsightly stains from composite wood surfaces.

One of the best things about this composite deck cleaner is its safety for grass and most plants. It is a powerful oxygenated cleaner that won't harm grass and other plants. This makes it a great solution for homeowners who want to clean their decks without damaging their lawns or gardens.

Another great feature of DEFY Composite Deck Cleaner is its versatility. It is a great "whole house" cleaner that can be used to clean wood fences, wood siding, vinyl siding, aluminum siding, and more. With this product, homeowners can enjoy a clean, well-maintained home exterior without worrying about damaging their surfaces.

Best Cleaner For Composite Decks FAQs

Are there any eco-friendly cleaners for composite decking?

Yes, there are eco-friendly cleaners available for composite decking. Composite decking is a popular choice because it is low maintenance and durable, but it still needs to be cleaned regularly to maintain its appearance and prevent mold and mildew growth. Many traditional decking cleaners contain harsh chemicals that can harm the environment, but there are several eco-friendly options that are equally effective.

One popular option is to use a mixture of vinegar and water to clean composite decking. The acidic properties of vinegar help to break down dirt and grime, and it is safe for the environment. Another eco-friendly option is to use a baking soda and water solution. Baking soda is a natural abrasive and can help to remove stains and dirt from the surface of the decking.

There are also many commercial eco-friendly cleaners available that are specifically designed for composite decking. These products are made with natural ingredients and are free from harsh chemicals. When choosing an eco-friendly cleaner, it is important to read the label carefully to ensure that it is safe for use on composite decking.

Can I use a deck brush to clean my composite deck?

Yes, you can use a deck brush to clean your composite deck. However, you need to make sure that the deck brush you are using has soft bristles to avoid any scratches on the surface of your deck. Composite decking is typically made up of a combination of wood fibers and plastic, and it is designed to be durable and low maintenance. To clean your composite deck, start by sweeping off any loose debris, then use a mild detergent and warm water to clean the surface. Scrub the deck using a soft-bristled deck brush to remove any stubborn stains or debris. Rinse the deck thoroughly with a garden hose or a power washer, making sure to use low pressure to avoid damaging the surface. Overall, using a deck brush to clean your composite deck is a great way to keep it looking clean and well-maintained.

Can vinegar be used to clean composite decking?

Yes, vinegar can be used to clean composite decking. Vinegar is a natural cleaning agent that is effective in removing dirt, grime, and mold from various surfaces, including composite decking. To clean composite decking with vinegar, mix equal parts of white vinegar and water in a spray bottle and spray the solution onto the decking. Allow the solution to sit for a few minutes and then scrub the decking with a soft-bristled brush. Rinse the decking thoroughly with clean water to remove any remaining residue. It is important to note that while vinegar is generally safe for composite decking, it is always a good idea to test the solution on a small, inconspicuous area of the decking first to ensure that it does not cause any damage or discoloration. Additionally, it is recommended to avoid using any abrasive cleaning tools or harsh chemicals on composite decking, as they can scratch or damage the surface.

How do I remove stains from my composite deck?

Composite decking is a great choice for outdoor spaces, but it can still become stained over time. The good news is that removing stains from a composite deck is relatively easy. First, identify the type of stain you are dealing with. Common stains include food, grease, oil, algae, and mold. Once you know what you are dealing with, you can choose the right cleaning solution.

For most stains, a simple mixture of warm water and mild detergent will do the trick. Scrub the affected area with a soft-bristled brush, then rinse with a hose or pressure washer. For tougher stains, you can use specialized composite deck cleaners that are designed to remove specific types of stains.

It is important to avoid using harsh chemicals or abrasive scrubbers, as these can damage the surface of your composite deck. Also, be sure to rinse your deck thoroughly after cleaning to avoid leaving any residue behind.

Regular cleaning and maintenance can help prevent stains from forming in the first place. Sweep your deck regularly to remove debris, and clean up spills as soon as they occur. With proper care, your composite deck will look beautiful for years to come.

How often should I clean my composite deck?

It is recommended to clean your composite deck at least twice a year, preferably in the spring and fall. However, the frequency of cleaning may depend on several factors such as the location of your deck, the amount of foot traffic it receives, and the weather conditions in your area. If your deck is located in an area with high humidity or frequent rainfall, it may require more frequent cleaning to prevent the growth of mold and mildew. Similarly, if your deck receives a lot of foot traffic or is frequently used for outdoor gatherings, it may need to be cleaned more often to remove dirt, grime, and stains. Regular cleaning not only helps maintain the appearance of your deck but also extends its lifespan by preventing damage from accumulating dirt and debris.

Is it safe to use bleach on composite decking?

It is not recommended to use bleach on composite decking as it can damage the surface. Bleach is a harsh chemical that can lead to discoloration, fading, and even break down the material of the decking. Instead, it is recommended to use a mild cleaning solution designed specifically for composite decking. These solutions usually contain a mixture of water, soap, and sometimes vinegar or baking soda. It is important to follow the manufacturer's instructions when cleaning your composite decking to avoid damaging the surface. Additionally, it is recommended to use a soft-bristled brush or a pressure washer with a low setting to avoid scratching or damaging the decking. Regular cleaning and maintenance can help keep your composite decking looking its best for years to come.

Should I use a pressure washer to clean my composite deck?

Using a pressure washer to clean a composite deck is generally safe, but it depends on the type of composite decking material you have. It's important to check the manufacturer's guidelines before using a pressure washer, as some types of composite decking may be more susceptible to damage than others.

If you do decide to use a pressure washer, make sure to use a low-pressure setting and keep the nozzle at least 12 inches away from the surface of the deck. Using too much pressure or getting too close to the surface can cause damage to the composite material, leaving behind scratches or even removing the protective coating.

It's worth noting that using a pressure washer is not always necessary for cleaning a composite deck. A simple solution of warm water and mild detergent, along with a soft-bristled brush, can effectively remove dirt and debris without the risk of damage. Regularly cleaning your composite deck with gentle methods will help keep it looking great for years to come.

What is the best cleaner for composite decks?

Composite decks have become increasingly popular over the years due to their low maintenance and durability. When it comes to cleaning a composite deck, it is important to use a cleaner specifically designed for this type of material. One of the best cleaners for composite decks is a non-toxic, biodegradable cleaner that is safe for use around plants and pets. Look for a cleaner that is also effective at removing dirt, grime, and mold stains. It is important to follow the manufacturer's instructions when using a composite deck cleaner, as some cleaners require dilution or a certain amount of time to sit on the surface before rinsing. It is also recommended to use a soft-bristle brush or a pressure washer on a low setting to avoid damaging the deck's surface. Regular cleaning and maintenance will help prolong the life of your composite deck and keep it looking great for years to come.

What is the best way to maintain my composite deck?

Composite decking is a popular and durable alternative to traditional wood decking. To maintain its appearance and functionality, there are several steps you can take. First, regularly sweep or blow off any debris, such as leaves or dirt, that accumulates on the deck. This will prevent mold and mildew from forming and keep the surface clean. Second, use a mild soap and water solution to clean any stains or spills on the deck. Be sure to rinse thoroughly with a hose or power washer. Third, avoid using harsh chemicals or abrasive cleaners, as these can damage the composite material. Finally, consider applying a protective coating or sealant to the deck to prevent fading and staining over time. Overall, proper maintenance of your composite deck will ensure it remains a beautiful and functional space for years to come.

Will a power washer damage my composite deck?

Using a power washer on a composite deck can be an effective way to clean and maintain it, but it is important to use caution to avoid causing any damage. Most composite decking manufacturers recommend using a pressure washer with a fan-tipped nozzle, set to no more than 3100 PSI and held at least 8 inches away from the deck surface. Using a higher pressure or getting too close to the deck can cause damage, such as splintering, cracking, or even removing the protective outer layer of the composite material. It is also important to use the appropriate cleaning solution, as some chemicals can be harmful to the composite material. Before using a power washer on your composite deck, it is recommended to consult the manufacturer's guidelines and test a small, inconspicuous area first to ensure that the pressure and cleaning solution do not cause any damage.

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