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Does Resin Bonded Aggregate Slippery When Wet?

Is Resin Bonded Aggregate Slippery When Wet?

On the whole, you can expect a professional resin bound driveway or resin bonded stone to have anti-slip properties. However, there are a couple of factors that can make resin-bound surfacing slippery underfoot. The bottom line is, it’s generally down to problems with the installation – which is why we are always so meticulous!

This guide will answer the question – is resin bonded aggregate slippery, and what might affect slip resistance.

If you are on the fence take a look at our resin bound driveway cost article and get an overview of whether this is the correct surface for you.

3 Factors That Can Make A Resin Bound Surface Slippery

1. There’s not enough resin in the mix.

Getting the ratio of the aggregate correct is absolutely crucial. If there’s not enough resin in the mix, then you’re not going to get any of the anti-slip benefits. A good rule of thumb is that there should be no less than 7% resin to your aggregate before laying the surface.

The amount of resin you’ll need will vary from case to case. For example, the size of your driveway stone, the layer thickness, and your surface’s preferred strength will dictate the ratio. It’s often why so many people choose to hire experts to install resin-bound driveways or other surfaces.

However, not including enough resin, leading to a slippery surface, is a rookie mistake. It’s why you should always look for an experienced, well-rated paving expert.

2. There’s no anti-slip treatment.

Well laid resin driveways are often naturally anti-slip, but some experts use sand or glass grit as the resin cures to give you added grip. This type of system doesn’t change the look or colour of your surface – it’s a thin layer that provides your resin-bound surfacing extra protection against skidding and slipping in wet conditions.

However, if your paver doesn’t use these materials or any anti-slip coating, then your driveway is still going to risk getting slippery in the rain.

Before laying a resin surface, be sure to use either glass grit or clear sand once your resin-bound paving system is curing. If you hire a contractor to do this for you, you’re within your rights to check what they add to their surfacing systems.

3. It’s not been correctly installed.

Not including enough resin in the aggregate mixture is, of course, poor practice. However, there are other mistakes rookie, or cowboy installers can make that leave your resin driveways slippery.

For example, if your paver or installer doesn’t take account of the weather before laying your resin drive, you may end up with cracks in the material and white patches all over the stone.

Cracks in the driveway are at risk of letting water freeze and causing serious damage. Not only that, but ice is, by its very nature, extremely slippery.

Beyond this, you also need to consider the permeability of your chosen driveway. There’s a critical difference between bound and bonded resin that can affect how water travels (there’s no permeability in a bonded surface).

Generally, it’s a good idea to work with a SUDS compliant system and ensure you have an appropriate subbase installed.

So what base do you need for a resin driveway? See this handy guide where we show you the various types available, which ones are best suited and which to avoid altogether.

Is Resin Bound Gravel Permeable?

Yes, it is permeable, providing you lay your resin on an open surface. Resin-bound surfacing will freely allow water to seep through and drain away, meaning there’s negligible risk of puddling.

A resin-bonded system, however, is non-permeable. You’re going to need to account for additional drainage so that water can freely runoff and avoid pooling. That’s because, with resin bonding, you add stones or aggregates to a resin layer – with a resin-bound system, it’s mixed up.

Permeability is often a winner as it won’t mean you have to install a separate drainage system, unlike tarmac, concrete and non-porous asphalt. However, not everyone likes the look of bound mixing, and porous surfaces can sometimes require extra cleaning – it’s not as smooth a surface.

Being porous, as you might expect, is a big factor in preventing slippery surfaces. It’s why many people choose resin-bound surfacing over bonded options for driveways. Plus the fact you don’t need planning permission.

Last Word

The end result of a resin bonded or resin-bound stone installation should be that it’s attractive, durable, and non-slippery. Are resin driveways slippery by design? No – and while there’s a clear difference between resin-bound paving and bonded surfacing, there are things you can do to protect against slippage.

Resin-bound stone and resin bonded surfaces should both protect you against slipping, providing they are properly installed. You’ll need to ensure that your permeable, resin bound is SUDS compliant and that you have a drainage solution in place for any resin bonded surfaces. Ultimately, many problems you’ll find with surface slippage occur at installation – regardless of whether it’s on tarmac, concrete or otherwise.

Your new resin surface, once laid, should be smooth, resilient against car tyres and foot traffic for years to come – however, whether it’s permeable or not, you need to look after it. That means going easy with the pressure washer/jet wash and avoiding using metal tools across the surface.

About The Author

John, owner of Easigrass North East for seven years, has lived and breathed landscaping. He evolved from running a leading paving and landscaping business to influencing the industry through online publishing. His real-world experience and hands-on background inform his genuine, insightful guidance for others navigating this space.

Meet The Author - John

The former owner of Easigrass North East, a significant landscaping player known for leading successful paving and garden companies, is now sharing his expert insights.

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