Best Composite Deck Cleaner Reviews : Top 8 Picks for 2025

In the 21st century, if you’re the proud owner of a house in the suburbs, then you must be familiar with decks. Decks are an excellent addition to your house.

It is a fantastic place to spend a lazy afternoon lounging or playing board games in the evening with your family.

However, maintaining decks can be a very difficult and time-consuming task. You will need the best composite deck cleaner to keep it spick and span.

A composite deck cleaner ensures that your deck remains spotless, and you can clean it quickly with efficiency.

8 Best Composite Deck Cleaner On The Market

Here are eight of the most premium composite deck cleaners that you will find available in the current market. Keep on reading to discover all there is to know about them, and the perks and disadvantages of having them to find the one that suits you best!

1. MOLD ARMOR E-Z Deck, Fence and Patio Wash

One of the most noticeable things about a dirty deck is mold and mildew, which tend to grow around and on top of decks and look uninhabitable. If you own this product, all you have to do is connect it to your hose with its hose-end technology and watch it do the rest, as it removes them while also brightening your deck.

Mold Armor's miracle product, this unit is unquestionably versatile as it does more than cleaning the decks of your home. This product is no mere composite deck wash, as you can use it on fences, PVC, or any painted wood for the matter. It will yield the same excellent results, and make them look brand-new in no time.

Maintaining a deck can be a challenging and expensive affair, as wood is pretty costly. It is always better to refurbish or restore your deck, rather than replacing it.

Having this composite deck cleaner means that you won’t have to worry about replacements for a long time. It can quickly restore wood and prevent discoloration.

Although this is a fantastic product to have, you might want to consider other options if you have a two-story house.

This composite deck cleaner has difficulty setting onto wood, especially if there is a light wind blowing, making it unfit for tall structures.

Highlighted Features:

• Easily restores wood to remove weather-beaten aesthetics
• Hose-end technology for adaptation on a water hose
• Compatible for use on a wide variety of objects
• Works on PVC for maintaining plumbing

2. Deck BOSS by Perdura

If you have been combing through composite deck cleaner reviews on the internet, then you are probably already familiar with this product because of its unique design.

Very few products can compete with this unit in terms of convenience, as its brush-like design makes it easy to apply quickly and efficiently.

Not many composite deck cleaners in the market can work with such finesse and provide a premium finish like the Deck BOSS. A great item by Perdura, this cleaner will help you coat your deck correctly in a consistent manner, regardless of your level of expertise with the product.

Using this composite deck cleaning solution is wonderfully convenient. It will work like a dream because of all the attachments provided. Each unit of this product comes with a brush comb and a keyring to open the cleaner, so that you can use it efficiently without having to make any extra purchases.

Even though this composite deck cleaner guarantees a quick and even application, its major flaw will have you putting in twice the effort. The bristles of this product are too soft, which makes them hard to control or hold enough stains, resulting in too many drips.

Highlighted Features:

• Brush-like design for a swift application
• Even coating to save time, and for effective use
• A wide variety of attachments for convenient use
• Compatible with clear deck sealer for convenient application

3. Simple Green Oxy Solve Cco Friendly Composite Deck Cleaner

Deck owners who prefer an environment-friendly composite deck mold cleaner that isn't harmful to the body will love this product.

Enjoy the same efficiency of cleaning dirt from your deck as any other cleaner in the market with peroxide, which is the perfect substitute for harmful chemicals that go into its competitors.

Having a party on your deck can be equally fun and stressful, because the very thought of having to clean up dirt and spilled food might convince you to cancel the event.

Once you buy this fantastic product, this thought will never cross your mind as it can clean up grime, oil, and mold in a jiffy.

Buying composite deck cleaners can be a strenuous task if you’re looking for value and don’t want to keep making regular purchases. However, this product ensures that cleaning composite decking with simple green is a real money saver.

It is available in a one-gallon plastic container that should last for at least a couple of months.

Although this product is excellent for the environment and your health, there is a particular drawback that will have you looking for alternatives.

This product is not as strong as its predecessors. It might require multiple applications, which will make deck cleaning a time-consuming chore.

Highlighted Features:

• Uses peroxide as an environment-friendly alternative
• Specializes in cleaning up grime and oil
• Available in a gallon container for prolonged use
• Mid-range tools for convenient handling

4. Wash Safe Composite Deck Cleaner

Nowadays, there are too many cleaning agents out there that focus too much on fancy features and fall short on performance. On the contrary, if you’re looking for a product that solely focuses on cleaning composite decking, then this unit is more than enough to convince you of its dedication.

One of the greatest risks that come with using composite deck cleaners is the chances of getting stains if you leave too big of a pool lying around.

However, this unit’s powerful surfactants ensure that your deck won’t get stained, even if you leave it on the surface for a long time.

Your average eco friendly composite deck cleaner tends to be weaker than its chemical counterparts, as it only seems to prioritize cleaning the deck's surface. However, this product outperforms its competitors by infiltrating the deck's wood and giving it a deep cleaning.

This ensures that you will not have to worry about another clean for a while.

Even though this product has made some great strides in the direction of achieving perfection, there are certain flaws in it.

Among them, the most significant problem is the fact that it is inaccurate in removing spots. It also takes a lot of time to start functioning.

Highlighted Features:

• Clear liquid for the product to settle easily
• Use of strong surfactants to prevent stains
• Infiltrates wood for intense cleaning
• Preserves wood quality to resist discoloration

5. DEFY Composite Deck Cleaner

Many composite decking cleaner reviews showcase products that commit to keeping your decks clean and preserving your wood’s quality, without paying little heed to its aesthetics. This unit is quite different from them, as it guarantees that the wood will not become grey.

You won’t have to worry about replacing it simply because the wood seems weather-beaten.

Nowadays, the average cleaning agents seal the wood before cleaning the surface properly. This method is ineffective. It doesn’t clean your deck thoroughly. This product ensures proper cleaning, because it opens up the wooden pores so that the sealers can effectively penetrate the wood and perform a thorough cleanse.

While this product is quite effective in performance, it is also conscious about the environment as the oxygenation process it uses ensures that it is safe for plants.

Furthermore, this product is an expert in cleaning stains and debris alike, making it the best cleaner for composite decking.

Although this is a great product to have for cleaning your deck, it has a couple of flaws that you need to know of.

Among them, the most significant problem is the gross miscalculation it makes when claiming the total volume of solution it can be used for, which may result in needing frequent restocks.

Highlighted Features:

• Prevents wood greying to avoid a weather-beaten look
• Opens up wooden pores for effective sealing
• Oxygenation to avoid harm to plants
• Ideal for cleaning debris and stains

6. DeckMAX Concentrated Composite & Wood Deck Cleaner Kit

No other composite deck brightener can be on the same level as this product due to the ingredients that go into making it. One unit can easily clean up a deck as big as 1500 sq. ft. and make it look flawless in no time, as it uses one of the most premium formulas.

Most composite deck cleaners require you to make extra purchases to properly clean your deck due to the lack of proper attachments. DeckMAX ensures that you will not have to buy anything else, as it comes with a natural, high-quality brush that makes cleaning decks more convenient than ever.

One of the most important things to check when buying deck cleaners is whether it is compatible with your deck’s material, as they tend to be one dimensional.

However, this product is perhaps the best Trex deck cleaner out there. It works like a charm on Trex decks, along with a wide variety of wood decking.

Although this is a pretty nifty composite deck cleaner to have for deck maintenance, it does have a couple of flaws.

Among them, the most significant one happens to be its inefficiency, which causes it to leave a lot of spots even after a thorough cleanse.

Highlighted Features:

• Enough volume to clean a 1500 sq. ft. deck
• Natural brush for efficient cleaning
• Compatible with various wood decking
• Sensitive enough to maintain Trex decks

7. Star Brite Non-Skid Deck Cleaner & Protectant

Although most cleaning agents promise a quick and effective cleaning, none of them are as versatile as this wash safe composite deck cleaner.

Applicable on almost all surfaces, it can conveniently wipe out grime and dirt from fiberglass, plastic, rubber, and metal without damaging the surface.

One of the most significant flaws of composite deck cleaners is the need for heavy scrubbing, which removes dirt at the cost of damaging the wood.

Star Brite introduces a unique chelating agent into this product to take care of this issue by lifting up the debris and spills for quick cleaning without any rough wiping.

Cleaning with this composite deck cleaner not only ensures a spick and span deck, but also guarantees a massive timeframe before having to go for another cleanse.

This product safeguards the deck with protective polymers, which prevent dirt and spills from settling on the wood, eliminating the possibility of stains.

Users need to be aware of the fact that this product has certain drawbacks and issues before purchasing them to avoid possible grievances.

One of the most significant problems is the packaging, which is cheap & flimsy and can lead to leakage if not handled with care.

Highlighted Features:

• Universality for easy application on different surfaces
• Chelating agent to avoid rough scrubbing
• Protective polymers to resist stains
• Applicable on ships for a smooth and efficient cleaning

8. Wash Safe Composite Deck Cleaning Solvent

Having a deck in a tropical climate can be scary, as the humid weather tends to damage the wood's quality. Moss and algae may also grow on it.  This composite deck cleaner will be the perfect solution for this, as it specializes in removing organic debris and the stains left by them.

Cleaning your deck can seem like a painful task because of all the scrubbing that is involved, which can tire you out. Wash Safe Industries permanently removes the need for scrubbing with this product.

You can easily clean your deck by applying it and letting it do its thing through saturation. This makes it one of the best composite deck cleaners out there.

There are very few composite deck cleaners that show results as instantaneously as this unit. From the very moment you spray it onto your deck, you will see the spills and dirt cleaning up. It is 100% safe, ensuring effective performance.

Regardless of its great features and superior performance, there are a few noteworthy flaws you need to be aware of before purchasing.

The most significant issue is that this composite deck cleaner is of low value, as it requires a much harsher scrub to remove old stains. Therefore, it showcases inconsistency.

Highlighted Features:

• Specializes in organic debris removals like moss and algae
• Cleans out minor stains through simple saturation
• Instant reaction and completely safe
• 100% safe chemicals to prevent bodily harm

Best Cleaner for Composite Decking Comparison Chart

Composite Deck Cleaner Buying Guide

Currently, the market is full of various composite deck cleaners with many attractive features. However, the following factors will help you determine whether a product is truly worth the purchase.

Volume

The volume of a composite deck cleaner plays a valuable role in determining the product’s worth. Having a cleaning agent with ample volume will ensure that you won’t have to run to the department store after just one or two washes.

Ideally, a composite deck cleaner should have a volume of at least a gallon, so that you can use it for a couple of months. An even better option is to get one with a solution that is mixable with water to conserve for a longer time.

Packaging

Packaging plays a vital role in understanding whether a composite deck cleaner is up to the mark or not. There’s no point in getting a product with a leaky container, or one that will wear out over time. You will end up wasting more of the liquid than actually using it with packaging like this.

Try to go for a composite deck cleaner that comes in a plastic container, so that the packaging is durable and won’t leak easily. Plastic containers are also very convenient for dispensing, as you will conveniently be able to pour it out without worrying about spilling the liquid all over the place.

Attachments

Maintaining your deck isn’t an easy job. It can be backbreaking work if you don’t have the correct tools to help you out. Furthermore, buying a composite deck cleaner without any proper attachments will require extra purchases, which can unnecessarily increase your total cost.

It goes without saying that the best composite deck cleaner will have a variety of attachments that ensure even application of the cleaning agent on the deck, as well as fast cleaning. If not anything else, make sure that the product comes with a cleaning brush with firm bristles.

Universality

Buying a cleaning agent that only works on your deck can be an expensive affair. Because then you’ll have to buy other products to maintain the other structures in your home. It’s always best to go for a deck cleaner that can be used on various surfaces to save up on money.

Always go for a composite deck cleaner that is usable on glass and painted wood too. It will go a long way to maintain your home furniture as well. Also, look for one that uses peroxide for protection from future stains too.

Top Composite Deck Cleaner on the Market Today

Wash Safe Industries

Famous among deck owners for being safe and superior among its competitors for wiping out organic debris, Wash Safe Industries is one of the top brands that manufacture composite deck cleaners.

Their products are also instantaneously activated when in contact with the deck, making them very convenient.

Mold Armor

Known for manufacturing products that not only help clean your deck in a jiffy but also are great for use on painted wood, glass, and PVC, Mold Armor is one of the best brands for composite deck cleaners. Their wood restoration features are borderline magical, as they make your deck look brand-new with one cleanse.

DeckMAX

It would be an injustice if we don’t include DeckMAX into the list of the top composite deck cleaner brands. They are the best Trex deck cleaner manufacturer in the world. Products by this brand also come with an all-natural deck brush, which makes cleaning more convenient than ever.

Deck Boss

Deck Boss is a brand that is known worldwide for its unique product designs. Each of its product ensures a consistent and even application on your deck, making it look spick and span in no time, thus bagging its popularity.

5 Ideal Tips to Keep Composite Deck Perfectly Clean

1. Cleaning Time

One of the main reasons composite decks is difficult to clean is because users forget to maintain regularity. Be sure to give your wooden deck a deep cleanse every two months, so that the wood remains in good quality and the cleaning process doesn’t take up too much time.

2. Dealing with Food

Keeping food spills on the deck for too long can be a bad move. It can stain your deck easily and attract wildlife to your home. Don’t keep food on your composite deck for long. Clean it up immediately to retain the quality of the wood.

3. Brightening the Deck

Regularly cleaning the deck with chemicals might ruin the wood’s quality, making it look dead and damp. To avoid this situation and make the deck look as good as new, use a deck brightener after using a composite deck cleaner. It will look brand new and shiny.

4. Organic Dirt Removal

Using composite deck cleaners or other strong chemicals to clean up mold, moss, mildew, algae, or any other type of organic debris might be a bit of overkill, as it will end up damaging the wood. It’s better to go for mild soap soaked in water to take care of them instead.

Frequently Asked Questions

1. Is Power Washing Recommended for Composite Decks?

Composite decks are normally softer than normal wood. Therefore, putting them through a power wash can drastically ruin the wood and require replacement. So, power washing is not recommended.

2. What Are the Chances of Slipping on a Composite Deck If It Gets Wet?

The average composite deck can be very wet after you wash it. Therefore, it’s best to let the deck cleaner solution dry off properly before you step on it to avoid any unforeseen accidents.

3. Are Composite Decks Cleanable With Vinegar?

Vinegar is one of the strongest and safest solutions for wood. It’s equally effective on composite decks. A mixture of ½ cup vinegar, a gallon of water, and ¼ cup baking soda can easily clean out an entire deck without leaving a single spot.

4. How Can Green Algae Be Removed From a Composite Deck?

Lather the deck with a solution of warm, soapy water. Then set a pressure washer to 3,100lbs/sq. inch, and clean the deck to remove all the algae.

5. Are Trex Decks Washable With a Pressure Washer?

Trex decks are compatible with pressure washers, but it needs to be done very carefully. Only use the tips of the fan, and do not increase the psi levels by more than 3100 when washing the deck.

Conclusion

Before reading this article, there was a chance that you didn’t want your home to have a composite deck at all because of how tiring the maintenance process might have seemed.

Now that you have gone through our article and discovered the best composite deck cleaner for yourself, we’re sure this fear is non-existent.

All that’s left is to go to the hardware store and get some lumber. Maintaining a composite deck will now be easier than ever!

Good luck with your wood work.

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