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Best Cleaner For Composite Deck (2024 Updated)

If you’re looking for a way to keep your composite deck looking spotless, a cleaner specially formulated for composite decking might be your solution. Composite decking doesn't require the same level of maintenance as traditional wood decking, but it still needs regular cleaning to get rid of dirt, grime, and other contaminants that can damage the deck over time. With the right cleaner for your composite deck, you can remove stains and restore the deck's original color, all while protecting it from future harm.

Before buying a cleaner for your composite deck, there are some factors to consider. First, make sure the cleaner is compatible with your specific composite deck's material. Some cleaners may be too harsh for your deck, causing damage and discoloration. Additionally, consider the cost and effectiveness of the cleaner, as well as any specific ingredients or features that may be important to you, such as being eco-friendly or easy to apply.

Are you tired of seeing stubborn stains and marks on your composite deck? Do you want to protect your deck from future damage and keep it looking pristine? Keep reading to discover some of the top-rated cleaners for composite decks on the market. Are you wondering if a composite deck cleaner is a worthwhile investment? Read on to learn about common issues that can arise if you neglect to clean your deck regularly.

10 Best Cleaner For Composite Deck

# Product Image Product Name Product Notes Check Price
1
The product is ideal for cleaning decks, fences, and patios made of wood or composite materials.
2
It is ideal for cleaning and maintaining composite decking materials.
3
The product is ideal for removing spots and stains from composite decking.
4
This product is ideal for cleaning driveways, sidewalks, patios, and decks with its hard composite construction and multiple nozzles.
5
Ideal for sealing and cleaning composite decks and concrete surfaces, preventing stains and keeping them looking clean.
6
The product is ideal for heavy-duty cleaning of surfaces using a pressure washer with a maximum working pressure of 4,000 PSI.
7
Ideal for efficiently cleaning large surfaces with a pressure washer and various nozzle options.
8
Ideal for cleaning and restoring the appearance of weathered and discolored exterior wooden surfaces, especially decks.
9
DEFY sealer is ideal for waterproofing and protecting composite decks from moisture, sun damage, mold, and mildew.
10
This product is ideal for securing composite decking with a brown finish, with 1750 pieces to cover up to 500 sq ft.
The product is ideal for cleaning decks, fences, and patios made of wood or composite materials.
It is ideal for cleaning and maintaining composite decking materials.
The product is ideal for removing spots and stains from composite decking.
This product is ideal for cleaning driveways, sidewalks, patios, and decks with its hard composite construction and multiple nozzles.
Ideal for sealing and cleaning composite decks and concrete surfaces, preventing stains and keeping them looking clean.
The product is ideal for heavy-duty cleaning of surfaces using a pressure washer with a maximum working pressure of 4,000 PSI.
Ideal for efficiently cleaning large surfaces with a pressure washer and various nozzle options.
Ideal for cleaning and restoring the appearance of weathered and discolored exterior wooden surfaces, especially decks.
DEFY sealer is ideal for waterproofing and protecting composite decks from moisture, sun damage, mold, and mildew.
This product is ideal for securing composite decking with a brown finish, with 1750 pieces to cover up to 500 sq ft.

1. Ez Deck & Patio Cleaner With Hose Adaptor.

MOLD ARMOR E-Z Deck, Fence and Patio washer is an ideal solution for removing exterior mold and mildew. It is designed for cleaning and brightening surfaces like decks, fences, painted/sealed wood, composite, PVC, restored, and resurfaced finishes. This product comes with a hose-end adapter that can be easily attached to a garden hose to apply the solution.

This powerful cleaning solution can make wooden surfaces look like new again within minutes, restoring the natural look of weathered and discolored wood. It is very easy to use; simply attach the garden hose while the valve is in the OFF position, spray the solution on the surfaces, wait for 10 minutes, and then wash off. The best part is, there's no need to scrub!

This outdoor cleaner is perfect for cleaning and preparing wood surfaces before painting them, and it provides a quick and easy way to clean fences and patios. It effectively removes dirt, grime, and other stains, leaving the surfaces looking clean and bright.

Pros

  • Easily removes exterior mold and mildew.
  • Powerful cleaning solution for decks, fences, and patios.
  • Restores the natural look of weathered and discolored wood.
  • Hassle-free application with hose-end adapter.
  • No scrubbing required.

Cons

  • – May not be suitable for use on all types of surfaces.
  • – May not be effective on tough stains.

2. Timbertech Composite Deckcleaner – 1 Gallon

Keep your TimberTech AZEK, PRO, and EDGE Capped Decking, Porch, and Railing looking brand new with this specially formulated deck cleaner. This biodegradable formula is designed to be versatile, allowing you to use it for spot treatment or to clean your entire deck. With its concentrated formula, a single 1 gallon bottle yields 4 gallons of cleaner, which is enough to clean approximately 1,000 square feet of surface area.

This effective formula was created specifically for TimberTech AZEK, PRO, and EDGE Capped Decking, Porch, and Railing. It is guaranteed not to damage products or compromise warranties when used as directed. You can also use it for DrySpace and Pavers, making it a versatile deck cleaner for all your outdoor surfaces.

Not only is this deck cleaner effective and safe to use, but it is also environmentally friendly. Its biodegradable formula allows you to clean your deck without harming the environment. Keep your outdoor living space looking its best with this specially formulated deck cleaner.

Pros

  • Versatile formula for spot treatment or entire deck cleaning
  • Concentrated formula yields 4 gallons of cleaner from a single 1 gallon bottle
  • Safe to use on TimberTech AZEK, PRO, and EDGE Capped Decking, Porch, and Railing without compromising warranties
  • Biodegradable formula is environmentally friendly

3. Composite Deck Spot Remover By Pour-N-Restore No Pnrdk32oz

The Restore Composite Deck Spot Remover Neutral 32 Oz is a powerful and concentrated cleaner specially formulated for removing black and green environmental stains on composite and wood decking. It is also effective in removing food and beverage stains, grease and cooking oil, as well as stains from algae and mold. This deck spot remover is free of any harmful solvents, making it safe for use on your wood or composite deck. The kit comes with a high quality natural bristle brush, perfect for easy and safe application on your deck. The product can also be used to remove stains on concrete, stone patios, and walkways, making it an all-around solution for your outdoor cleaning needs.

This deck spot remover is easy to use and is guaranteed to restore the original look of your deck. It is safe for the environment and will not damage the wood or composite material of your deck. It is also a cost-effective solution to maintaining the beauty of your deck, as it requires minimal effort and time to use. With the Restore Composite Deck Spot Remover Neutral 32 Oz, you can enjoy a clean and pristine deck all year long.

Pros

  • Powerful and concentrated cleaner
  • Safe for wood or composite deck
  • Comes with a high quality natural bristle brush
  • Effective in removing food and beverage stains, grease, cooking oil, algae and mold stains
  • Can also be used to remove stains on concrete, stone patios, and walkways
  • Easy to use and cost-effective

4. Janz 20" Dual Handle Surface Cleaner

The JANZ surface cleaner is a professional-grade cleaning tool that provides a wide cleaning area of 20 inches. It is perfect for efficiently cleaning large flat surfaces such as driveways, patios, decks, and sidewalks. The hard composite construction with a heavy-duty bearing ensures that it can be used for a long time.

The splash-free skirt reduces overspray and keeps you dry while you clean. Additionally, the adjustable handle and 4 castors make it easy to operate and move, saving your effort. With dual high-pressure jets that spin rapidly, it breaks up dirt and grime with great efficiency. It cleans up to 8 times faster than using a spray nozzle alone, significantly reducing cleaning time. Furthermore, it eliminates streaks by keeping the nozzles at a fixed height from the surface.

This surface cleaner is compatible with most gas and electric pressure washers rated between 2,000-4,000 PSI. The spray gun has a 3/8'' QC inlet and 2 hose adapters that fit most power washer hoses. The design of trigger locking keeps it in working mode, saving your effort. The built-in filter prevents clogging.

The JANZ surface cleaner comes with 4 easy-to-replace nozzles, 3/8'' QC to M22-14 male fitting, 3/8'' QC to M22-15 male fitting, Teflon tape, and nozzle cleaner. Additionally, it comes with a 12-month warranty. If you have any problems, please do not hesitate to contact the Service Team, who are available to assist you within 24 hours.

Pros

  • Professional-grade cleaning tool
  • Wide cleaning area of 20 inches
  • Hard composite construction with a heavy-duty bearing ensures durability
  • Splash-free skirt reduces overspray and keeps you dry
  • Dual high-pressure jets break up dirt and grime efficiently
  • Cleans up to 8 times faster than using a spray nozzle alone
  • Compatible with most gas and electric pressure washers
  • Trigger locking design keeps it in working mode
  • Built-in filter prevents clogging
  • Comes with 4 easy-to-replace nozzles and hose adapters
  • 12-month warranty included
  • Excellent customer service

Cons

  • – May not be suitable for small or narrow surfaces
  • – May be heavy for some users

5. Resist Mist Pro-Deck Sealer & Cleaner

The Multi-Purpose Composite Deck Cleaner & Sealer Combo is an excellent solution for cleaning and sealing composite decks, fences, and concrete surfaces. This bleach-free and non-toxic formula can effectively remove black spot stains as well as grease stains from food, suntan lotion, or other sprays without causing any damage to your surfaces. The Resist Mist sealer helps restore your deck's natural stain resistance and near maintenance-free properties, reversing years of bleach use.

This Combo eliminates the need for yearly deck cleaning, keeping your deck clean for more than three years. The Renu Pro strength deck cleaner penetrates deeply to remove the most stubborn stains, and the sealer protects your deck by forming a microscopic shield that blocks all types of stains from returning. The product is recommended by major deck manufacturers such as Trex, Timbertech, Azek, and Fiberon, making it ideal for use on all composite decks and fences.

The Multi-Purpose Composite Deck Cleaner & Sealer Combo is also an excellent solution for keeping concrete and pavers clean for years, eliminating the need for pressure washing. This professional-strength formula is easy to apply, and all you need is a garden pump sprayer. It can clean and treat up to 600SF of fencing, 375SF of composite decking, and 250SF of cement/pavers. Try it today and enjoy a cleaner, more beautiful outdoor living space.

In addition, the product comes with a money-back guarantee, so you can confidently purchase it and experience the benefits. This Combo is perfect for both commercial and residential properties and is now available for use around your home. Order now and enjoy a cleaner, more beautiful outdoor living space.

Pros

  • Bleach-free and non-toxic formula
  • Eliminates the need for yearly deck cleaning
  • Resists black spot stains and grease stains
  • Restores your deck's natural stain resistance and near maintenance-free properties
  • Penetrates deeply to remove the most stubborn stains
  • Forms a microscopic shield that blocks all types of stains from returning
  • Recommended by major deck manufacturers
  • Ideal for use on all composite decks and fences
  • Keeps concrete and pavers clean for years
  • Easy to apply with a garden pump sprayer
  • Money-back guarantee

Cons

  • – None found

6. Proclean Plus: 15" Heavy-Duty Pressure Surface Cleaner

Introducing the Professional Cleaner – a commercial-grade cleaning tool designed for large surfaces such as driveways, patios, decks, and sidewalks. With its high efficiency, this cleaner can clean up to 6 times faster than traditional cleaning methods.

Featuring an integrated rotary rod with dual high-pressure rotating jets, the Professional Cleaner ensures a thorough and deep clean every time. Its 4 universal castors make it easy to move around and clean large surfaces with ease.

Crafted from premium quality materials, this cleaner boasts a durable and maintenance-free hard composite construction with flexible bristles. It also comes equipped with a built-in filter screen at the inlet for clean nozzles, ensuring optimal performance every time.

The Professional Cleaner is compatible with 1/4 inch quick-connect capable wands and comes with 2 17-inch extension wands, making it easy to clean hard-to-reach areas. It works with 2000-4000 PSI power washers, making it a versatile tool for any cleaning job.

In the package, you will receive the surface cleaner, 2 extension wands, and 2 replaceable nozzles. You can trust in the lifetime customer support that responds within 24 hours for any questions or concerns you may have.

Pros

  • Commercial-grade cleaning tool for large surfaces
  • Integrated rotary rod with dual high-pressure rotating jets
  • Cleans up to 6 times faster than traditional cleaning methods
  • Durable and maintenance-free hard composite construction
  • Flexible bristles and built-in filter screen for optimal performance
  • Compatible with 1/4 inch quick-connect capable wands and 2 17-inch extension wands
  • Works with 2000-4000 PSI power washers
  • Lifetime customer support with 24-hour response time

7. Janz 16" Pressure Washer Surface Cleaner 4000 Psi

The JANZ surface cleaner is an ideal tool for commercial grade cleaning of large flat surfaces such as driveways, patios, decks, and sidewalks. Equipped with a 16'' wide cleaning area, it efficiently removes stubborn stains and grime, reducing cleaning time by up to 5 times faster than a spray nozzle alone. The cleaner has dual high-pressure jets that rapidly spin, breaking up dirt and grime while eliminating streaks by keeping the nozzles at a fixed height from the surface. The splash-free skirt reduces overspray and keeps you dry while cleaning.

The surface cleaner is made of durable composite construction with a heavy-duty bearing that can be used for an extended period. It is also equipped with 4 large wheels, making it easy to move and control under high pressure. The brand-new upgraded nozzles are easy to remove and maintain, ensuring long-lasting use. The cleaner is compatible with most gas and electric pressure washers rated 2,000-4,000 PSI, 1.8-3.7 GPM, and comes with a 1/4'' quick plug that is easy to connect with included pressure washer wands. A filter is built into the entrance to prevent the nozzle clogging.

The package includes 2 extension wands, 2 easy-to-replace nozzles, 3 0-degree spray nozzle tips, 2 O-rings, 1 inlet filter, 1 Teflon tape, and 1 nozzle cleaner. The JANZ surface cleaner also comes with a 12-month warranty, and if you have any problems, the customer service team is available to provide assistance within 24 hours.

Pros

  • Efficiently removes stubborn stains and grime
  • Reduces cleaning time by up to 5 times faster than a spray nozzle alone
  • Dual high-pressure jets that rapidly spin, breaking up dirt and grime
  • Eliminates streaks by keeping the nozzles at a fixed height from the surface
  • Splash-free skirt reduces overspray and keeps you dry while cleaning
  • Durable composite construction with a heavy-duty bearing can be used for an extended period
  • Equipped with 4 large wheels, making it easy to move and control under high pressure
  • Brand-new upgraded nozzles are easy to remove and maintain
  • Compatible with most gas and electric pressure washers rated 2,000-4,000 PSI, 1.8-3.7 GPM
  • Comes with a 12-month warranty
  • Customer service team available to provide assistance within 24 hours

8. Restore-A- Deck Wood Cleaner

Restore-a-Deck Step 1 is a highly effective powdered formula that is specifically designed to clean and prepare all exterior wood and composite decking. Whether you have new wood, weathered wood, or need to apply maintenance coats, this product is ideal for all your needs. It is a cost-effective option as one can make 5 liquid gallons when mixed, and the cost per gallon is less than $10. This product is perfect to prep stains for reapplication of a stain, but it is not recommended as a stain stripper or remover of old stains. In case you are trying to remove a semi-transparent stain, please consider using Restore-A-Deck Stripper. With a coverage of 750-1000 square feet per container, this product is an excellent option for those looking to restore their deck's beauty.

Restore-a-Deck Step 1 is an essential product to restore the beauty of your deck. It is easy to use, cost-effective, and can be used on all exterior wood and composite decking. The powdered formula makes it convenient to use as it can make 5 liquid gallons when mixed. You can use this product to prep stains for reapplication of a stain with ease. With a coverage of 750-1000 square feet per container, you can cover a large area with one container. However, it is important to note that it is not recommended as a stain stripper or remover of old stains. If you are looking to remove a semi-transparent stain, please consider using Restore-A-Deck Stripper.

Get your deck looking like new with Restore-a-Deck Step 1. This powdered formula is perfect for cleaning and preparing all exterior wood and composite decking. It can be used on new wood, weathered wood, and maintenance coats. The cost-effectiveness of this product is impressive, as the powdered formula makes 5 liquid gallons when mixed, and the cost per gallon is less than $10. One container can cover 750-1000 square feet, making it easy to cover a large area. Please note that it is not recommended as a stain stripper or remover of old stains. If you are trying to remove a semi-transparent stain, please consider using Restore-A-Deck Stripper.

Pros

  • Cost-effective as the powdered formula makes 5 liquid gallons when mixed, and the cost per gallon is less than $10.
  • Can be used on all exterior wood and composite decking
  • Highly effective in cleaning and preparing the wood for reapplication of a stain
  • Covers a large area, with a coverage of 750-1000 square feet per container

Cons

  • – Not recommended as a stain stripper or remover of old stains

9. Defy Crystal Clear Composite Deck Waterproofing Sealer, 1 Gallon

Protect your composite deck from the harmful effects of the sun with this water-based, clear composite deck sealer. DEFY Composite Deck Sealer is fortified with zinc nano-particle technology that acts as sunscreen for your wood. The tiny zinc particles dispersed throughout the stain reflect damaging UV rays, preventing premature graying and color loss. This sealer is made with extremely durable, high-quality resins that have better resistance to fading and darkening compared to other competitive products. As a result, DEFY Composite Deck Sealer is a premium-grade, clear deck sealer that typically lasts a season or two longer than other similar products. With DEFY, you can keep your weathered composite deck or fence looking great for longer. It's easy to maintain and, when it's time to do a maintenance coat, there's no need to strip the surface. Simply make sure the surface is clean and apply a single maintenance coat of DEFY Composite Waterproofing Sealer.

Pros

  • Fortified with zinc nano-particle technology that acts as sunscreen for your wood
  • Made with extremely durable, high-quality resins that have better resistance to fading and darkening
  • Premium-grade, clear deck sealer that typically lasts a season or two longer than other similar products
  • Easy to maintain and apply a single maintenance coat
  • Does not change the natural look of your composite deck

10. Ultimate Decking Solution: Cap-Tor Composite Screws

Upgrade your decking with these premium quality screws that are designed to match popular PVC and composite decking colors. The epoxy coating not only adds a sleek look to your deck but also provides superior protection against rust and corrosion. These screws feature reverse threading that prevents any surface defects such as mushrooming. The star drive system and extra deep recess reduces the chances of cam-out, ensuring that the screws stay securely in place. The undercut head is designed to penetrate capstock decking cleanly, leaving no room for any damage. The tri-lob shank and acute thread angle ensure that the screws have more driving power and cleaner penetration through harder materials. These screws are perfect for DIY enthusiasts and professionals alike and are sure to provide a sturdy and long-lasting finish to your decking.

Say goodbye to inferior quality screws that damage your decking and upgrade to these premium quality screws that are built to last. The epoxy coating not only adds to the aesthetics of your deck but also provides superior protection against rust and corrosion. The reverse threading prevents mushrooming and other surface defects, ensuring that your decking stays in pristine condition. The star drive system and extra deep recess reduces the chances of cam-out, ensuring that the screws stay firmly in place. The undercut head cleanly penetrates capstock decking, leaving no room for any damage. The tri-lob shank and acute thread angle provide better driving power and cleaner penetration through harder materials, making these screws perfect for use by DIY enthusiasts and professionals alike. With these screws, you can rest assured that your decking will have a sturdy and long-lasting finish.

Upgrade your decking with these high-quality screws that are designed to match popular PVC and composite decking colors. The epoxy coating adds to the aesthetics of your deck while also providing superior protection against rust and corrosion. The reverse threading system prevents mushrooming and other surface defects, ensuring that your decking stays in top condition. The star drive and extra deep recess reduce the chances of cam-out, keeping the screws securely in place. The undercut head cleanly penetrates capstock decking, providing a clean finish every time. The tri-lob shank and acute thread angle provide better driving power and cleaner penetration through harder materials, making these screws perfect for use by DIY enthusiasts and professionals alike. With these screws, you can be sure that your decking will have a sturdy and long-lasting finish that will last for years to come.

Pros

  • Epoxy coating for a sleek look
  • Reverse threading prevents surface defects
  • Star drive system and extra deep recess reduce cam-out
  • Undercut head cleanly penetrates capstock decking
  • Tri-lob shank and acute thread angle provide better driving power

Cons

  • – May be more expensive than other decking screws

Best Cleaner For Composite Deck FAQs

1) What is the best cleaner for a composite deck?

When it comes to cleaning a composite deck, it is important to choose a cleaner that is specifically designed for this type of material. Composite decks are made of a combination of wood fibers and plastic, and therefore require a cleaner that will effectively remove dirt and grime without damaging the surface.

One of the best cleaners for composite decks is a solution of warm water and mild detergent. This can be applied with a soft-bristled brush or a power washer on a low setting. It is important to rinse the deck thoroughly after cleaning to ensure that all soap residue is removed.

Another option is to use a specialized composite deck cleaner that is designed to remove tough stains and mildew. These cleaners can be found at most home improvement stores and should be used according to the manufacturer's instructions.

Ultimately, the best cleaner for a composite deck will depend on the specific type of decking and the severity of the stains or dirt. It is important to research and choose a cleaner that is safe and effective for your particular deck to ensure a long-lasting and beautiful finish.

2) Can I use bleach to clean my composite deck?

It is not recommended to use bleach to clean a composite deck. While bleach may effectively remove stains and discoloration, it can also damage the protective coating of the composite material. This can lead to discoloration, fading, and even degradation of the composite decking material. In addition, bleach can also be harmful to surrounding plants and landscaping.

Instead, it is recommended to use a specialized composite deck cleaner that is specifically formulated for use on these types of materials. These cleaners are designed to gently remove stains and dirt without causing damage to the composite material. They are also safe for use around plants and landscaping.

If you are unsure about which cleaning products to use on your composite deck, it is always best to consult with the manufacturer's recommendations or seek the advice of a professional deck cleaner. This will help ensure that you are using the right products and methods to keep your composite deck looking its best for years to come.

3) How often should I clean my composite deck?

Composite decks are a great investment for your home, as they offer a low-maintenance outdoor living space. However, like any outdoor surface, it is important to keep your composite deck clean to ensure its longevity and appearance. But how often should you clean it?

The frequency of cleaning your composite deck depends on several factors such as the location of your deck, the climate in your area, and the amount of foot traffic it receives. In general, it is recommended to clean your composite deck at least twice a year, once in spring and once in fall.

If you live in an area with harsh climate conditions such as heavy rainfall or snowfall, you may need to clean your deck more frequently to prevent mold and mildew growth. Additionally, if your deck is located near trees or plants, it may require more frequent cleaning to remove debris and stains.

It is also recommended to spot clean your composite deck as needed throughout the year. This can include removing food and drink spills or bird droppings as soon as possible to prevent staining or discoloration.

Overall, regular cleaning and maintenance of your composite deck will not only improve its appearance but also prolong its lifespan.

4) Are there any eco-friendly cleaners for composite decks?

Yes, there are eco-friendly cleaners available for composite decks. Composite decks are made of a combination of wood fibers and recycled plastic, and they are designed to be low-maintenance. However, they still require occasional cleaning to keep them looking their best.

Many commercial deck cleaners contain harsh chemicals that can be harmful to the environment, but there are a number of eco-friendly alternatives that are just as effective. Some popular options include vinegar, baking soda, and hydrogen peroxide. These natural cleaners are non-toxic and biodegradable, making them safe for both your deck and the environment.

In addition to natural cleaners, there are also a number of eco-friendly deck cleaning products available on the market. These products are formulated with plant-based ingredients and are free from harmful chemicals, making them a great choice for those who are looking to reduce their environmental impact.

Overall, there are many eco-friendly options available for cleaning composite decks. By choosing natural or plant-based cleaners, you can keep your deck looking great without harming the environment.

5) Will a cleaner for composite decks remove stains and discoloration?

Yes, a cleaner for composite decks can help remove stains and discoloration. Composite decking is designed to be low-maintenance, but it can still become stained or discolored over time due to exposure to the elements, mold, mildew, or other factors. Using a cleaner specifically designed for composite decking can help to remove these stains and restore the deck's original color and appearance.

When choosing a cleaner for your composite deck, it's important to read the label carefully and make sure that it is safe for use on your specific type of decking. Some cleaners may be too harsh and can damage the surface of the deck, while others may not be effective at removing tough stains. Additionally, be sure to follow the manufacturer's instructions carefully and take any necessary safety precautions, such as wearing gloves and protective eyewear. With the right cleaner and proper care, your composite deck can stay looking beautiful for years to come.

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