How to Choose Aggregate for a Driveway (2024)

A driveway is one of the first things visitors see when they arrive at a house. An attractive, well-maintained driveway creates a good first impression. But it also needs work for the vehicles that’ll regularly drive on and off it and the people who’ll set foot on it.

That’s why choosing the right aggregate for your driveway is really important. If the stones are too small, they can get lodged in tyre treads or disappear into the earth below. Too big, and the driveway will be uncomfortable to step foot on.


Let’s look at the different driveway aggregate types out there so you can help your clients make the right call.

Different types of aggregate for driveways

When choosing the best surface for your driveway project, you have a few options. Asphalt, concrete and resin are all popular. However, loose gravel and stones also have a really good look and are cheaper.

Stones for driveways must be hardwearing to handle high foot and vehicle traffic, and sometimes heavy loads. Knowing the different types of driveway stone is essential, so any driveway not only turns heads but is functional too.

How to Choose Aggregate for a Driveway (1)

Pea gravel

Also known as pea shingle, pea gravel consists of smooth, pea-sized stones (10mm in size) it is only suitable for the top layer of a driveway. Its compact size also means it is easy to walk on.

Pea gravel has a round shape, so it easily moves when driving across it. You will need to stabilise the stones through some form of edging to prevent them shifting under the weight of vehicles.Pea gravel can provide a lovely contrast to any surrounding concrete, lawns or other surfaces.

Golden gravel

Golden gravel is made of yellow, brown and cream stones that bring aesthetic appeal to the top surface of a driveway. Comfortable to walk on, hardwearing and easy to maintain, it’s similar to pea gravel in shape and size. This means it requires driveway edging or stabilising pavers to prevent it from spilling out.

How to Choose Aggregate for a Driveway (2)

Stone dust

Stone dust is the finest type of crushed stone available. It’s made from stones crushed into a fine powdery form of dust. It can be used on its own to create a water-resistance surface. It’s also used alongside other stones to create the top layer of gravel driveways.
Also called ‘stone screenings’, stone dust is flat and smooth once laid out. The level surface can support the weight of vehicles. Remember that stone dust needs to be sloped towards the sides of the driveway for efficient drainage.

Marble chips

Marble chips have a shimmer effect in the sunlight and have a modern look. They are made by crushing white marble into small rocks.

They have a tangibly sharper texture and grey streaks and are one of the best top layers. Use driveway edging to hold them in place and stop them from migrating or being washed away. Marble chips are usually more expensive than other driveway aggregate types, but they are popular because of their look.

What size aggregate is best for driveways?

The most suitable size of aggregate (gravel) depends on how the driveway is going to be used. If the driveway regularly has vehicles driving on and off it, a size of between 14mm and 20mm is often recommended. Anything smaller can get caught in the tyre treads of the car.

Stones bigger than 20mm or more can be tricky to walk on and are more liable to shift and move following vehicle impact. This also applies to stones that are more rounded, such as pebbles.

If the driveway doesn’t have to worry about having cars on it aggregate sized between 6mm and 10mm can be considered.

Some of your aggregate options...

Gravel/Shingle 20mm Single Trip - Large Bulk Bag 800kg

SKU:AGSTB007

£97.75 inc VAT

Gravel/Shingle 10mm Single Trip - Large Bulk Bag 800kg

SKU:AGSTB006

£97.75 inc VAT

Limestone 20mm Single Trip - Large Bulk Bag 800kg

SKU:AGSTB009

£165.71 inc VAT

Pea Gravel/Pipe Bedding Single Trip - Large Bulk Bag

SKU:AGSTB016

£97.75 inc VAT

Golden Gravel Single Trip 20mm - Large Bulk Bag 800kg

SKU:AGSTB044

£283.39 inc VAT

Hanson Golden Gravel/Shingle 20mm Bulk Bag

SKU:AGSTB355

£212.30 inc VAT

How to choose your driveway aggregate colours

Driveways need to complement the home you’re working on and its surroundings. Darker stones will hide any dirt or dust accumulating over time, but spraying water on a gravel driveway at least once or twice a week is still recommended.

White aggregates need to be regularly maintained to prevent stains from car tyres. On the other hand, cream and golden-coloured aggregates like jersey shore gravel look stunning against darker brickwork.

The good news is there are many aggregate colours to choose from. This allows you and your customers to be creative and design the driveway that best works with their property and personal tastes.

Benefits of using an aggregate for driveway

There are many benefits to choosing aggregate for your next driveway project:

  • Low maintenance – Laying down a fabric membrane under the gravel prevents weeds growing. A simple rake, where necessary, will keep the stones compact.
  • Easy to install – Gravel surfaces are easy to lay and can be enjoyed immediately.
  • Excellent durability – The performance of gravel driveways isn’t affected by the weather. They can last for decades if cared for properly.
  • Improved drainage – If the rain does pour, water moves more quickly through the stones than it can through soils and other materials. This prevents puddles from forming on the surface.
  • Enhanced security – Loose aggregate provides a distinct crunching sound, so it’s easy to hear if someone is on the property.
  • Cost-effective – Driveway aggregates are much cheaper than other materials such as asphalt, concrete or tarmac.

Stones with sharp and irregular edges are ideal for driveways. Their compact nature makes the surface more durable, and they don’t move as easily when starting a car. Think about your driveway project needs — broken or crushed aggregates are usually a good option.

The information on this website is intended to be for general guidance – however every project is different which could affect the suitability for your particular project or circ*mstances. References to a product, service or material should not be considered a recommendation or any indication of fitness for any specific purpose. Where applicable work must be carried out by a qualified professional. Seek appropriate specialist advice if needed and always follow manufacturer’s instructions advice and ensure compliance with any applicable laws or regulations.

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How to Choose Aggregate for a Driveway (2024)

FAQs

What aggregate to use for a driveway? ›

Stones with sharp and irregular edges are ideal for driveways. Their compact nature makes the surface more durable, and they don't move as easily when starting a car. Think about your driveway project needs — broken or crushed aggregates are usually a good option.

What size aggregate for driveways? ›

If there are going to be vehicles coming on and off the driveway, then we highly recommend selecting an angular aggregate between the sizes of 14mm-20mm. Gravel at this size range will knit together and form a compact surface.

What is the best size gravel to use for a driveway? ›

The best size gravel aggregate for your driveway ranges from ¼” – 1” because it clumps together better when a tire presses on it, so the result is a more stable and less slippery surface. It's also great for drainage, ensuring you won't end up with a pond instead of a driveway.

How to figure how much gravel is needed for a driveway? ›

We use simple formulas for the calculations:
  1. amount of gravel = length × width × depth.
  2. gravel weight = amount of gravel × crushed stone weight.
Apr 17, 2024

What is the best type of aggregate? ›

Type 1: Granite Aggregates

This is the best aggregate for high-grade concrete, and as it comes in a variety of shades, like grey, red and pink, it can also be used as a decorative feature.

What is the best color for aggregate driveway? ›

Cool Greys

Cool grey exposed aggregate colours can perfectly complement these modern elements. From light grey to charcoal, these shades provide a clean and sophisticated look that can enhance the overall appeal of your outdoor spaces.

How do I know how much aggregate I need? ›

Manual Calculation

First, measure the length and width of the area that you will be covering in feet. Next, multiply the length by the width to calculate the total area in square feet. Next, measure the depth of the aggregate that you will be using in inches. Multiply the depth by 0.08333 to convert it to feet.

What is the best size of aggregate? ›

The usual range employed is between 9.5mm and 37.5mm in diameter. - Fine aggregates are usually sand or crushed stone that are less than 9.55mm in diameter. Typically the most common size of aggregate used in construction is 20mm. A larger size, 40mm, is more common in mass concrete.

Is aggregate driveway worth it? ›

An exposed aggregate driveway will last for many years with very little maintenance, making it a cost-effective and stylish choice for your home.

Is 2 inches of gravel enough for a driveway? ›

Gravel should be a minimum of 4-inches deep. The smaller the gravel, the more even the coverage will be. If rocks are on the larger side, allow for an additional 1/2 inch.

What is the cheapest gravel for driveways? ›

Pea gravel, crushed granite and steel slag are some of the cheapest gravel options for driveways.

What is the best gravel for a driveway that doesn't move? ›

Among the other options are crushed stone #411, quarry process, pea gravel, jersey shore gravel, marble chips, and river rock. These are the best options for driveway surfaces gravel, because they are small stones combined with rock dust, which makes a more solid driving surface.

How much driveway will 1 ton of gravel cover? ›

As a general guide, one ton of gravel typically covers approximately: 100 square feet at a 2-inch depth. 80 square feet at a 3-inch depth. 60 square feet at a 4-inch depth.

How many inches deep is a gravel driveway? ›

The answer is anywhere from 12-18 inches. This is to give stormwater the proper amount of space to drain through your aggregate and into the soil below without flooding. The ideal depth of your gravel driveway will depend on how much rain your area typically gets.

What is the cheapest gravel? ›

The most significant benefit of pea gravel is the price. It's the cheapest option compared to other types of landscaping rocks. It's also easy to find and doesn't require professional installation. Pea gravel is versatile and can be used in many different ways.

What is the cheapest gravel for a driveway? ›

What is the cheapest gravel driveway? Pea gravel, crushed granite and steel slag are some of the cheapest gravel options for driveways. Each can cost as little as $24 per ton, but keep in mind that some options are more likely to compact more quickly into the ground, leading to more frequent top-offs.

What does #57 gravel look like? ›

57 stone is a limestone aggregate smaller than 1″ in size and usually around 3/4″ in average size. Since our 57 stone is graded and has no fines and very little stone dust, it will undergo minimal compaction. Description: A ¾” limestone aggregate. Color: Bluish gray color.

What is driveway aggregate? ›

This ornamental aggregate concrete is a type of surface concrete. It is commonly used on patios, driveways, and walkways. It has a highly unusual and extraordinary appearance due to the abundance of stones, pebbles, and sand.

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