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Aggregate · 08.02

5mm Blue Metal

Small, compact crushed blue metal with a rich blue-grey hue. Stable underfoot, tough enough for vehicles and quick to drain.

  • 5mm
  • Crushed hard rock
  • Blue-grey
  • Sold per m³
5mm Blue Metal supplied in bulk by Bulk Landscape Supplies Brisbane
Natural product. As our products come from natural sources, they may slightly differ in colour, shape and size. Website images are a guide only.

Quick answer

5mm Blue Metal is a small crushed hard-rock aggregate in a rich blue-grey colour. It compacts with minimal scattering, handles vehicle traffic and drains quickly, so it suits driveways, pathways, garden beds, setting pavers and erosion control on slopes. Lay about 50mm deep; one cubic metre covers roughly 20 m².

5mm Blue Metal at a glance
Size5mm
MaterialCrushed hard rock
ColourRich blue-grey
Sold byThe cubic metre
Typical depthAbout 50mm
CoverageAbout 20 m² per m³ at 50mm
Approx. weightAbout 1.5 tonnes per m³

Coverage and weight are approximate. Check your area with the volume calculator.

Why choose it

Best features

  • 01Durable enough to handle vehicle traffic
  • 02Compact and minimal scattering
  • 03Erosion control — lay down a layer of 5mm Blue Metal to protect soil from washouts in garden beds or on slopes
  • 04Weed control for garden beds and walkways
  • 05Great drainage solution to assist healthy plant growth without waterlogging

Where to use it

Versatile applications

  • 01Driveways and pathways
  • 02Garden beds
  • 03Landscaping and decorative features
  • 04Setting pavers
  • 05Creating stable pathways

5mm Blue Metal as a garden solution

The rich blue-grey hue can suit lots of garden styles and is sourced responsibly from quarries. Made from crushed hard rock, this aggregate is durable, weather-resistant, and requires minimal upkeep. The aggregate is able to prevent water accumulation and soil erosion in your garden as it’s designed for quick water runoff. The compact nature of the aggregate can also aid in reducing weed growth, helping to reduce the frequency of manual weeding and maintenance.

Common questions about 5mm Blue Metal

Is 5mm blue metal good for driveways?

Yes. It compacts with minimal scattering and is durable enough for vehicle traffic. Lay it over a firm, compacted base with edging to hold it in place.

Can 5mm blue metal stop erosion on a slope?

A layer over exposed soil helps protect garden beds and slopes from washouts while still letting water drain through.

How much 5mm blue metal do I need?

One cubic metre covers about 20 m² at 50mm deep. Use our volume calculator for your exact area.

Compare with

5mm Recycled Concrete

Neat, uniform 5mm recycled aggregate. Stable under foot traffic and a sustainable base for pavers, paths and patios.

View product →

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