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Is Composite Decking Slip Resistant

Like most surfaces, composite decking can become slippery, especially when wet. That said, good-quality composite decking boards that are produced to high standards are specifically developed with anti-slip properties built-in (not slip-proof).

Nevertheless, care should always be taken with any wet surface underfoot. Nobody wants to slip on their decking and injure themselves. To prevent this, we will discuss how you can minimise the slipperiness of your decking. Additionally, we will be covering the reasons why decking becomes slippery in the first place in order to help prevent this and how the generation of a board impacts the slip resistance.

 

 

Reasons Why Your Composite Decking Might Be Slippery

 

Knowing the reasons why your decking is continuously getting slippery, may help you to prevent any injuries. If you know why decking becomes slippery, you can take countermeasures to make it safer for you and your family. Here are the top reasons why composite decking becomes slippery over time.

Dirt and debris

As time passes, fallen leaves and dirt can accumulate on your decking. Leaving them for long periods can pose a safety problem for you and your family. Not only does this look unclean, but it also promotes the growth of mould and algae.

The main reason decking becomes slippery is the growth of mould and fungus. While these can’t naturally grow on your composite decking, they grow on fallen leaves, pollen, dirt, and debris.

When left on your decking, the moulds that form on dirt and debris can transfer onto your decking, creating a more slippery surface.

Winter season –  the main culprit

During the winter season, all decks will become slippery, no matter what material is used. When there is an accumulation of both ice and water on your composite decking, it will become slippery resulting in the risk of slipping and falling becoming more prominent. 

Attempting to remove ice from your decking can be difficult, resulting in your boards becoming damaged. To prevent this from happening, we advise you to use non-abrasive cleaning methods to remove the ice or do not attempt to remove it; instead, let it evaporate in its own time.

Non-anti-slip composite decking

If your composite decking is quite old, the chances are that it gets more slippery than the newer generations of composite. Older generations of composite decking tend to absorb moisture faster, leading to the development of moulds and moss, which are slippery.

Generations Of Composite Boards

The slip resistance of your composite decking boards is dependent on the generation of the board.

Early Generation

The early generations of composite decking were undeniably slick, but the material has been modified and upgraded into the slip-resistant options we have today. The early generations of composite decking brought about its reputation for being slippery. So, if you have an early-generation composite decking, then this will result in your decking becoming more slippery.

 

 

First Generation

First-generation composite decking boards are made from shredded wood fibres and recycled plastics. The slip resistance of a first-generation board varies depending on the quality of the board, the surface finish etc. However, it is important to note that all of our first-generation boards have been rated either low or medium risk of slip. Some boards in our exclusive range of composite decking boards are more slip resistant than boards in our home choice premier range.

All of our first-generation composite decking boards have been tested for their slip resistance, allowing us to determine a value for their slipperiness using the equivalent pendulum test value (PTV).

The tests have been carried out to ensure composite decking boards are safe for commercial projects such as motorway services that have decking outside. These tests ensure that the boards are safe and can withstand heavy footfall. If a board scores lower than 130 PTV, then it is classed as a low-risk slip. If a board score is between 130 and 173 PTV, it is classified as a medium risk of slip.

If a board scores anything above 173, it is classified as having a high risk of slipping. All of our first-generation boards score 149 or below, meaning they are either at low risk of a slip or at the lower end of medium risk of a slip.

 

 

Second Generation

There is little difference in slip resistance between first-generation and second-generation boards. All of our second-generation boards have met EN standards. Intertek carried out this test to determine whether the composite decking boards are safe. All of our composite decking boards meet the standard, meaning they are safe to use for your project. 

To sum up, there is little difference in slip resistance between our first-generation and second-generation boards. The important thing to take away from this is that all of our boards have met the minimum requirements of slip resistance.

This means you do not have to worry about your safety on the decking in comparison to if you had a wooden decking laid down. It is a common misconception that composite decking is as slippery as wooden decking; however, this is not the case. Composite decking is a lot less slippery than wooden decking.

 

 

Fall-proof Tips to Keep Your Decking Slip Resistance and Safe

Regular cleaning and maintenance

Fortunately, there are multiple ways you can prevent your decking from becoming slippery. One way to keep your decking slip-resistant is to clean it regularly. Keep your composite decking clean by removing fallen leaves, pollen, dirt, and debris as soon as possible.

You can do this by sweeping your decking with a brush. We recommend that everybody does this as a minimum of once a month to maintain your decking’s appearance and to ensure it is safe.

 

 

Keep your composite decking dry

Although composite decking does not absorb moisture, surface water can still be a breeding ground for mould and algae. Moisture can accelerate mould growth. Therefore, we advise you gently sweep any surface water off your decking immediately.

If you have ice or snow accumulating on your deck, make sure to use non-abrasive removal methods. The use of pergolas and covers is obviously a great way to keep your decking out of the rain and therefore no risk of slipping all year round.

 

 

Ensure proper drainage of the decking

If installed correctly, composite decking should allow for proper drainage of rainfall. Make sure to keep the spaces between the decking boards clean to allow water to flow to the ground easily. This will prevent any water from pooling on your decking.

Water on the surface of your decking will promote the growth of mould, which will result in your decking becoming more slippery and be aesthetically unappealing.

 

 

Consider choosing the right material such as using grooved/textured decking boards

If you have plans to build a new deck or replace your old decking, consider purchasing grooved or textured composite decking boards. Embossed and grooved composite decking boards offer better friction, helping to improve slip resistance.

Choosing your decking material

First on the list is plastic decking, which includes PVC and polyethene. This is the most durable and lightweight decking material. PVC decking is very resistant to weather damage and not prone warping and staining. But what about slipping?

Unfortunately, most plastic decking can be slippery, especially when wet. Most of these materials have a smooth coating, making them prone to accidents. The good thing about plastic is they’re not susceptible to mould and fungi. This means any slips won’t likely be down to this problem with plastic decking. But other than that, plastic decking is generally the most slippery.

Another decking option is wood. It’s the most used material type due to its affordable price and appearance and the top choice for home and business owners. However, when it comes to maintenance, it’s the most difficult to maintain. Why does it matter?

When it comes to slipping, wood is among the most reliable garden decking options, but only if it’s maintained properly. Why? Wood is naturally slip resistant, especially high-quality wood material. However, when algae and mould start to grow, it can make the deck slippery. The worst thing about wood is that among all the types of decking, they are the most susceptible mould, fungi and algae. This means no matter how high quality the wood is, it will become slippery when not given care and attention.

Composite decking is one of the most popular alternatives for decking materials other than wood boards. It’s the best of both worlds, having the durability of plastic and the aesthetics of wood. 

Since composites are part-plastic, they inherit some of the smoothness of plastic. They are slippery but to a lesser degree, making them slightly smoother than wood. However, composites have an advantage over wood. Like PVC and plastic decking, composites are also resistant to moulds and fungi. Any smoothness caused by these factors is not a problem by using composite decking materials. However, you still need to clean and maintain composites.

Conclusion

In conclusion, composite decking will become slippery, especially when it is wet. Make sure to keep your composite decking clean to reduce slipping. Do a thorough deep clean of your decking at least twice a year. Although it is a low-maintenance type of decking, it still requires some maintenance. Ensure the correct installation of your composite decking has been performed to the manufacturer’s guidelines so that there is no water pooling. Also, pay close attention to drainage and keep the decking area dry. Keep your decking safe and slip resistant with these tips from the guide above your decking will be as safe as possible.

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