Aggregates are one of the most versatile and widely used construction materials in the world. From the roads we drive on to the foundations beneath our homes, aggregates play a critical role in keeping our built environment strong, stable, and functional. At Erewash Concrete, we supply high-quality aggregates to customers across Nottinghamshire, Derbyshire, and the surrounding areas — so we know just how valuable they are. Here are the top 5 uses for aggregates you should know about.

1. Concrete Production

Without a doubt, one of the most common uses for aggregates is in the production of concrete. Aggregates — typically a mix of sand, gravel, and crushed stone — make up the bulk of any concrete mix, accounting for around 60–80% of the total volume. They provide the structural strength and stability that concrete is renowned for, while also helping to reduce shrinkage and cracking as the mix cures.

At Erewash Concrete, our ready-mix concrete is produced using carefully graded aggregates to ensure a consistent, high-performance result every time. Whether you’re pouring a driveway, a foundation slab, or a commercial floor, the quality of the aggregate directly affects the quality of the finished concrete. That’s why sourcing from a trusted local supplier matters.

2. Road Construction and Surfacing

Aggregates are absolutely essential to road construction. They are used in every layer of a road — from the sub-base and base course right through to the surface course. Crushed stone, gravel, and recycled aggregates are commonly compacted to form a stable sub-base, providing the load-bearing foundation that prevents roads from sinking or shifting under traffic.

In asphalt and tarmac surfacing, fine and coarse aggregates are bound together with bitumen to create the smooth, durable surfaces we rely on every day. The hardness, shape, and grading of aggregate particles all influence the skid resistance, durability, and overall performance of road surfaces. It’s no exaggeration to say that the UK’s road network simply wouldn’t exist without aggregates.

3. Drainage and Landscaping

Aggregates are widely used in drainage applications, both in domestic gardens and on larger civil engineering projects. Gravel and shingle are particularly effective at allowing water to percolate through, reducing surface run-off and preventing waterlogging. They are commonly used in soakaways, French drains, and drainage trenches to manage groundwater around properties.

In landscaping, decorative aggregates such as pea gravel, slate chippings, and crushed stone are used to create attractive, low-maintenance garden surfaces. They suppress weeds, retain moisture in the soil, and add a clean, professional finish to paths, borders, and patios. Whether you’re improving your garden drainage or refreshing the look of your outdoor space, aggregates offer a practical and cost-effective solution.

4. Building and Construction Foundations

Every structure needs a solid foundation, and aggregates are fundamental to achieving one. Granular fill materials such as MOT Type 1 crushed limestone or hardcore are used beneath foundations, floor slabs, and paving to create a stable, well-compacted sub-base. This prevents settlement and movement, protecting the structure above from cracking or subsidence over time.

In addition to sub-base work, aggregates are used in backfilling trenches and excavations following the installation of utilities such as gas pipes, water mains, and drainage. Using the right type and grade of aggregate ensures that the ground around buried infrastructure remains stable and well-supported for years to come.

5. Railway Ballast

One of the more specialised uses for aggregates is as railway ballast — the angular, crushed stone that forms the bed beneath railway tracks. Ballast aggregate, typically made from granite or limestone, is carefully selected for its strength, durability, and angular shape. These properties allow the stones to interlock and resist lateral movement, keeping railway sleepers and tracks in precise alignment under the enormous loads and vibrations generated by passing trains.

Ballast also plays a vital role in drainage, allowing rainwater to drain away quickly and preventing water from pooling around the tracks. Without high-quality aggregate ballast, the UK’s railway infrastructure simply could not operate safely or efficiently.

Supplying Quality Aggregates Across Nottinghamshire and Derbyshire

As you can see, aggregates are far more than just stones and gravel — they are the backbone of our construction industry. From concrete mixes and road surfaces to drainage solutions and railway infrastructure, the applications are truly wide-ranging. At Erewash Concrete, we supply a range of aggregates to suit projects of all sizes across the East Midlands.

If you’d like to discuss your aggregate requirements or find out more about our concrete and aggregate supply services, please don’t hesitate to get in touch with our friendly team. We’re based in Pinxton, Nottinghamshire, and we’re proud to serve customers throughout the local area and beyond.