Aggregate · 08.04
Deep blue-grey aggregate for paths, driveways and garden beds. Tough, weather resistant and covers a lot of ground.
Quick answer
20mm Blue Metal is a deep blue-grey crushed rock aggregate. It improves drainage, which helps prevent waterlogging and soil erosion, handles cars and foot traffic, and helps keep weeds down. Use it on garden paths, driveways, garden beds and larger commercial landscaping jobs. Lay it about 50–75mm deep.
| Size | 20mm |
|---|---|
| Material | Crushed rock |
| Colour | Deep blue-grey |
| Sold by | The cubic metre |
| Typical depth | About 50–75mm |
| Coverage | About 13–20 m² per m³ |
| Approx. weight | About 1.5 tonnes per m³ |
These coverage and weight figures are a guide. Work out your own area with the volume calculator.
Why choose it
Good jobs for it
The deep blue-grey colour of 20mm Blue Metal gives outdoor spaces a smart, elegant finish and works with many garden styles. It is an ideal choice whether you are redoing a garden path, building a new driveway or tackling a larger commercial landscaping project.
Yes. It holds up under vehicles and drains well. Lay it over compacted road base with solid edging so it stays in place.
Yes. Water moves freely through the gaps between the stones, which helps prevent waterlogging and soil erosion.
At 50–75mm deep, one cubic metre covers roughly 13–20 m².
Tell us what you need, how much of it and where it’s going, and we’ll reply with a price and a delivery time.
