Best Composite Deck Cleaner

When it comes to composite deck cleaners, there are three main points to keep in mind. First, you want to make sure that the cleaner is specifically designed for composite decks. There are a lot of cleaners on the market that are made for wooden decks, but these can actually damage composite decks.

Second, you want to look for a cleaner that is easy to use and that will not take a lot of time or effort to clean your deck. And finally, you want to find a cleaner that is affordable and that will not break your budget.

To keep things simple, the best composite deck cleaners are powerful, yet gentle cleaning products that will remove dirt, grime, and stains from your deck without harming the surface. These are safe for use on all types of composite materials, and they won’t leave behind any streaks or residue.

You just need to add such a cleaning product to your arsenal and you’ll be sure to impress your guests with your clean and beautiful deck.

#1. Simple Green Pro HD

The Simple Green Pro HD is the best composite deck cleaner because it’s the most cost-effective and reliable cleaner for oily surfaces.

This product has perfect performance on degreasing and is completely safe that it can be used on anything requiring degreasing. In addition, it contains no bleach and does no harm to the deck.

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Why do you need the best composite deck cleaner?

Composite decks are hard to clean. They easily get stained, and if you do not clean them in a week, the stains will leave a semi-permanent mark on the deck, which requires a special solvent to wash off.

Some of the stains can’t be dissolved by water, but if you try to use hand tools to scrape the stains off, you’ll scratch your deck. To solve this problem, you need the best composite deck cleaner.

Composite deck cleaners provide a chemical way to clean stubborn stains. The composite deck cleaner can seep into the deck and clean the stains below the surface. Unlike pressure washing, the composite deck cleaner does no physical damage to the wood, keeping a smooth, beautiful surface of the deck.

Additionally, if you use the deck cleaner correctly, you can prolong the life of your deck.

What is the Best Composite Deck Cleaner?

#1. Simple Green Pro HD

Oily decks may be the most common problem in houses. If you are looking for the best composite deck cleaner to solve this problem, we highly recommend Simple Green Pro HD.

This product can quickly clean oil and grease from your decks and would do no damage to their surfaces. In addition, it has a very low price, making it a budget-friendly option for your house or business.

Most of the oily decks are caused by the oil and grease splashed during eating, cooking, or carrying the food. If you own a restaurant, you may find that your decks quickly get slippery and dirty. They even become sticky if not cleaned in the long term. Oil and grease are hard to dissolve in pure water, but can be washed with soap.

However, even if you use soap, it still takes much time and effort to clean. The worst thing is that you may get your decks scratched or corroded. Although having similar work principles of degreasing, the Simple Green Pro HD is milder than normal soaps. This product is non-toxic and non-corrosive, allowing it to be used in all applications.

It has already been applied on floors, walls, industrial equipment, appliances, automotive or recreational vehicle cleaning and degreasing, commercial kitchens, and baths, as well as for pressure washing, parts washing, ultrasonic cleaning, and more. Just dilute it adequately with water, and then you can use it to clean any oily surfaces.

There is a big misconception about this product that it’s not powerful enough to clean all the oily stains. Even though the grease is washed off, people still see “stains”, because this product doesn’t bleach the parts colored by long-term pollution.

A great benefit is that this product is so harmless that can be used to clean many other things, like dishes and carpets. Anyway, if you are not okay with this problem, it won’t cost much to purchase household bleach. Finally, and in addition, the price of this product is below the average of the market, which is another reason why we highly recommend it.

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#2. Resist Mist composite deck cleaner

The Resist Mist is the best composite deck cleaner since it provides protection to the surfaces of the decks, allowing them to be resistant to stains.

It removes most kinds of stains and keeps them off for years. In addition, this product not only works on composite decks, but also on other surfaces including PVC decks, concrete, pavers, and wood.

The Resist Mist provides a full system of deck cleaning. This product can completely remove mold, mildew, and algae stains, and produce a protective surface on the deck, keeping all these stains away. Moreover, it also helps remove grease, suntan lotion, and bug spray stains. This product contains various ingredients, thus making it premium and expensive.

If you have fancy decks, you should use this to get full protection. We think this composite deck cleaner is very suitable for operators who want to reduce the labor cost of deck cleaning. It reduces the frequency of necessary deck cleaning from once every spring to once every three years. The money savings will be worth it.

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#3. Wash Safe Industries WS-SC-1G best deck cleaner

If you have a composite deck that has hard-to-clean black stains and spots, it’s time to use this cleaner produced by Wash Safe Industries.

This is the best composite deck cleaner for situations of this kind because it contains a proper amount of bleach, which is perfect for cleaning while minimizing the damage to the decks.

The black stains are so stubborn because they are deeply set in the pores of the decks. Pressure washing may work a bit, but will finally damage the wood along with the cleaning.

They need to be bleached from the surface to the inside. We love how this cleaner uses unique ingredients which penetrate the surface of the deck, to bring the bleach into the deck through the pores.

The percentage of chlorine bleach in this cleaner is only 5%, which is a very low level among competitive products. No harmful corrosion has been done, which means longer service life for your decks.

This composite deck cleaner is easy to use. The manufacturer gives practical directions about different mixture ratios for different cleaning. When using this cleaner, no strong washing is needed. A light pressure washing or the use of a brush is all you need.

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#4. 30 SECONDS Outdoor to clean composite decking

We highly recommend the 30 SECONDS Outdoor Cleaner as the best composite deck cleaner for outdoor decks. This product cleans stains from algae, mold, and mildew, and is as safe and effective as other products.

This product is ready-to-use when it comes, making it easy to clean old wet decks. This cleaner works on a variety of different surfaces like decks, sidewalks, driveways, brick walls, and more.

It comes with a motorized power sprayer, which is easy to use. You don’t need to do pressure washing or mixing, just spray the cleaner on the surface you wanted to clean, and waited for a while.

Then, you can wash all the dirt and grime off with your garden hose. Moreover, this product is safe for plants and breaks down once rinsed into the soil.

In other words, it’s environmentally friendly; you won’t get your garden poisoned or polluted. Finally, we remind you that this deck cleaner does not bleach. The reason is to prevent chemical damage to your decks and plants. If you want to remove the colors on your decks, you need to buy some household bleach.

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#5. Wet And Forget Moss Mold Mildew & Algae Stain Remover

This composite deck cleaner works slowly but is really functional. It can be used for moss, mold, mildew, and algae removal on any outdoor surface.

You can spray the diluents of this product to any outdoor surfaces, and the stains we just mentioned will be washed away by rainwater, which explains why this product is called “wet and forget”.

This product is a good option for house maintenance because it doesn’t require frequent usage and has a very long shelf life.

It goes into the wood and forms a protective layer against stains. Also, it performs well on roofs, mailboxes, sidewalks, and driveways. However, you may not find any difference if you apply it on indoor surfaces.

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What are composite deck cleaners made of?

Most of the composite deck cleaners contain oxygen bleach, which is composed of hydrogen peroxide and soda ash.

This component is very effective when dealing with grease and oil, and can oxidize the stains to remove their color. However, it sometimes may not work.

To get better products, manufacturers add different active ingredients which can deal with specific besmirches. It goes without saying that premium deck cleaners contain more active ingredients, and are more expensive. Considering the type of stains your decks may have, the option of your best composite deck cleaner can be very different.

Even if you know the functions of the ingredients printed on the label, it’s still difficult to find the best, because the performance of the cleaner is also affected by the mixture ratio of its components.

If it’s too hard for you to make a choice, maybe you should check the following 5 products. We highly recommend them because they are all market-tested and have got very good reputations.

How Often Do I Need to Clean Composite Decking?

Ideally, you should clean your composite decking at least once a year. However, we would advise doing it twice a year. When you enter the season, say in spring, and when the season is finished, in autumn.

If your deck sees a lot of traffic or is exposed to elements like pollen, you may need to clean it more often. However, this is not compulsory

To keep your composite deck looking its best, sweep it regularly and remove any dirt, leaves, or other debris that might accumulate on it.

What Causes Composite Decking to Fade?

Composite decking is made from a combination of wood and plastic fibers. These materials are processed to create deck boards that have the look and feel of traditional lumber, but with the added benefits of being durable and low-maintenance.

However, one downside to composite decking is that it can fade over time. This is due to the fact that plastic fibers are susceptible to UV damage from the sun. The good news is that there are ways to prevent or minimize fading, such as using a deck sealer or stain. Here are the four main reasons for your deck’s color to fade away:

1. Sunlight leads to staining decks

In essence, the sun’s rays can break down the wood fibers in the boards, causing them to change color and damage your deck. This type of fading is typically more severe in areas with higher amounts of sunlight exposure.

2. Buying an inferior deck material

Some composite deckings are made with inferior materials. This type of decking is not as durable and can fade more quickly than better-quality composite decking.

3. Bad maintenance

Simply put if it has not been properly maintained, then the color will change. So washing your deck will play a major part in maintaining its color and avoiding stains.

4. Bad cleaning solutions for composite or wood deck

The use of inappropriate washer cleaning solutions can also lead to fading colors and damage the composite. For example, if the wrong cleaning solution is used on the deck, it can break down the materials and cause fading.

To avoid these problems, be sure to choose a high-quality composite decking material and follow the manufacturer’s instructions for care and cleaning.

Can I clean the deck with a pressure washer?

Yes, you can pressure wash your composite deck. It is probably the best way to clean your deck surface. However, you need to take care when doing so as you can damage the decking if you’re not careful. To avoid damaging your deck, use a low-pressure setting and hold the wand at a 45-degree angle. Move the wand in a back-and-forth motion as you work your way down the length of the deck boards.

Note that the pressure washer will remove the dirt and debris from the surface of the decking boards, leaving them clean and ready for staining or sealing.

To power wash your deck, you’ll need to rent or purchase a pressure washer. Be sure to read the manufacturer’s instructions on how to operate the machine safely. Once you have your equipment, set up the pressure washer according to the manufacturer’s instructions.

Start by power washing the edges of the deck where dirt and debris build-up. Work your way across the surface of the deck, using long, even strokes. Be sure to keep the tip of the pressure washer moving to avoid damaging the decking boards. When using a pressure washer, can also use a composite cleaner product (see above).

Final words on deck cleaning solutions

These three cleaners are all great options for composite decks. Simple Green Pro HD is a good choice for a general-purpose cleaner, while Resist Mist is a good choice for tougher stains. Wash Safe Industries WS-SC-1G is a good choice for cleaning mold and mildew.

The 30 SECONDS Outdoor Cleaner is a great product for anyone who is looking for an easy and effective way to clean any type of outdoor deck surface. The Wet And Forget Moss Mold Mildew & Algae Stain Remover is also a great choice for those who are looking for a product that can remove tough stains quickly and easily.

All five of these cleaners are safe to use and will leave your deck looking clean and new.


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