Blue Metal Gold Coast

Over 50 Years Of Extraction Excellence

Half a century of quarrying teaches you a few things. We extract and produce blue metal with care and a healthy dose of common sense. Our meta-greywacke is quarried to strict standards, so the material performs when the chips are down. Long history, practical experience, and a few lessons learned the hard way. It all adds up to reliable product every time.

Meta-Greywacke Aggregate Quality

Meta-greywacke is a hard, dense rock. It’s sharp, it locks together, and it stands up to heavy work. Those traits make it perfect for concrete mixes, road bases, and landscaping that needs to last. We run strict quality checks on every batch, because consistency matters. No surprises, no excuses.

5mm – 10mm: Fine Aggregate Applications

This finer grade gives concrete a workable texture without being flaky. It also suits decorative landscaping where a neat finish matters, and where you want a firm ground cover that doesn’t move about too much.

10mm – 20mm: Medium Sized Aggregates

Medium aggregates are versatile. They work well in drainage layers, helping water move away instead of pooling. They also make dependable base material for pavements, and they provide solid structural support when the job calls for it.

20mm – 40mm: Coarse Aggregate Uses

Coarser blue metal brings structural strength to large projects. It’s the kind of material you want under road bases and heavy foundations. Robust, plain and simple, it’s the unsung hero of load-bearing work.

Quality Certifications And Testing

We take certification seriously. Our aggregates go through frequent laboratory testing and are certified to meet Australian and relevant international requirements. The paperwork matters, but so does the practical result. You get material that performs, batch after batch.

Drainage Solutions Using Crushed Aggregates

Crushed aggregates sized correctly improve drainage. Angular particles stop clogging and encourage water flow, which is crucial for stable foundations and preventing erosion. It’s a simple fix for problems that often get complicated.

Landscaping And Construction Benefits

Blue metal works for looks and for function. Garden paths, retaining walls, or a tidy driveway. It’s durable, it looks natural, and it ages well. On construction sites, it’s a foundational player for road building, site prep, and foundation work.

Size Recommendations For Each Use

Pick the right size to get the result you want. Fine aggregates suit decorative surfaces and concrete. Medium sizes are best for drainage and base layers. Coarse aggregates handle the heavy lifting for structural needs. Use the wrong size and you’ll feel it, literally.