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Residential Concreting
Adelaide – Built Right, Priced Fair
Trusted local concrete specialists serving Adelaide homes. Driveways, slabs, patios & paths with licensed expertise and transparent pricing.
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Licensed BLD 317725 & Insured in South Australia
Exposed Aggregate Concrete Adelaide
Adelaide's Most Popular Driveway Finish
Exposed aggregate is the most requested concrete finish in Adelaide — and it's easy to see why. The natural pebbled surface is slip-resistant, durable, handles Adelaide's UV and summer heat better than plain grey, and looks substantially better over the long term. Opal SA Construction (BLD 317725) installs exposed aggregate driveways, patios, and pool surrounds across all Adelaide metro suburbs.
Unlike some contractors who subcontract the wash step, our own trained crew handles every stage of an exposed aggregate pour — including the return visit at exactly the right cure stage to wash and expose the aggregate. Getting that timing right is what separates a quality exposed aggregate finish from a patchy or shallow one.
Exposed Aggregate Costs in Adelaide (2026)
| Application | Price per m² | Notes |
|---|---|---|
| Driveway — standard aggregate | $90–$120 | River pebble or granite |
| Driveway — premium aggregate | $110–$150 | White quartz, feature colours |
| Patio / entertaining area | $85–$115 | Lighter vehicle load spec |
| Pool surround | $100–$140 | P3/R11 slip resistance, pool sealer |
| Path / walkway | $90–$120 | Pedestrian-rated |
All prices include supply, labour, formwork, F72 mesh reinforcement, 25 MPa concrete, retarder spray, aggregate exposure wash, control joints, and first seal at 28 days.
Aggregate Options for Adelaide Homes
The aggregate type determines the colour, texture, and overall feel of the finished surface. We bring sample boards to every site measure:
River Pebble
Smooth, rounded stones in natural grey, beige, and sand tones. The most popular choice for Adelaide's brick-and-tile homes. Cost-effective and widely available.
Granite Aggregate
Angular granite pieces with more sparkle and texture. Available in grey, pink, and black mixes. Suits contemporary renders and two-storey designs.
White Quartz
Bright white aggregate for a modern, high-contrast look. Popular in new builds with white or light-grey render. The most striking finish available.
Coloured Stone Mixes
Terracotta, charcoal, copper, and cream blends. Allows the driveway or patio to match the home's colour palette. Costs slightly more than natural aggregate.
Why Exposed Aggregate Suits Adelaide's Climate
Adelaide's climate creates specific demands on outdoor concrete surfaces:
- UV resistance: The aggregate stones are harder and more UV-stable than the cement paste they're embedded in. While plain grey concrete bleaches and becomes chalky, exposed aggregate maintains its appearance because the surface is mostly stone, not paste.
- Heat reflection: Light-coloured aggregate reflects solar radiation better than plain grey — surface temperatures on light-toned exposed aggregate are 5–10°C lower than a plain grey driveway on a 40°C day.
- Slip resistance in wet/dry cycles: Adelaide's dry summers followed by winter rain create wet surfaces after long dry periods. The pebbled texture of exposed aggregate provides reliable grip even on surfaces that have been dry for months.
- Stain hiding: Tyre rubber marks, oil drips, and leaf stains disappear into the aggregate pattern. On plain grey concrete, these marks are clearly visible.
The Exposed Aggregate Installation Process
Timing is everything. The aggregate wash step must happen at exactly the right stage:
- Pour and finish: Concrete is placed, screeded level, and a retarder spray applied to the surface within 20 minutes of finishing.
- Cover and wait: Hessian or plastic covers the slab. In summer (Adelaide's challenge), we return within 8–12 hours. In winter, 12–18 hours.
- Wash: At exactly the right cure stage, the retarder is activated with water and the surface paste is brush-washed away to the desired depth of aggregate exposure.
- Cure for 28 days: The slab is allowed to reach full design strength before the penetrating sealer is applied.
- Seal: A penetrating impregnating sealer enhances colour and prevents staining. We apply this at the 28-day point.
Exposed Aggregate vs Other Finishes
| Factor | Exposed Aggregate | Plain Broom | Honed |
|---|---|---|---|
| Cost | $90–$150/m² | $65–$90/m² | $100–$160/m² |
| Slip resistance | High (R10–R12) | Medium | Low–medium |
| Stain visibility | Low | High | High |
| Maintenance | Seal 5–8 years | Seal optional | Seal 3–5 years |
| UV performance | Excellent | Moderate | Good |
| Pool surrounds | Ideal | Acceptable | Not recommended |
Key Specifications
- Concrete grade: 25 MPa standard · 32 MPa heavy vehicle areas
- Thickness: 100 mm standard driveways · 125 mm for reactive clay sites or heavy loads
- Reinforcement: F72 mesh standard · F82 for heavier loads
- Aggregate depth: 4–8 mm exposure typical — deeper on request
- Sealer: Penetrating impregnating sealer applied at 28-day cure
- Slip rating: R10–R12 (wet pedestrian surface)
- Warranty: 10-year structural workmanship warranty
Ready to choose your aggregate?
Call Javed on 0466 801 058 — we'll bring sample boards to your site and provide a free written quote within 48 hours.
Related Services
Concrete Driveways
All driveway finishes — exposed aggregate, coloured, and plain grey.
Concrete Patios
Alfresco, entertaining areas, and pool surrounds in exposed aggregate.
Exposed Aggregate Gallery
See real Adelaide projects — aggregate colours and finishes we've installed.
Exposed Aggregate Installations Across Adelaide
Select your suburb for local pricing and soil class information:
Golden GroveTea Tree GullySalisburyCampbelltownNorwoodBurnsideModburyMitchamBlackwoodMorphett ValeHallett CoveGlenelgHenley BeachProspectUnley
Don't see your suburb? View our full coverage area or contact us — we cover all of Adelaide metro.
The Opal Construction Quality Advantage
Why Adelaide Homeowners
Choose Our Team
Reliability, precision engineering, and a commitment to longevity. Here is what separates our workmanship from the rest.
"Our reputation is built on concrete that doesn't just look good today, but performs for decades."
— Project Director
We Know Adelaide Conditions Inside Out
We're not just another concreting company – we're Adelaide locals who've worked across every suburb from the Adelaide Hills to coastal areas. This means we understand:
- Reactive clay soils common in northern suburbs (Para Vista, Salisbury, Munno Para, Gawler) requiring proper base preparation and reinforcement
- Adelaide's dry, hot climate and how it affects concrete curing and finishing
- Local council requirements for crossovers, drainage, footpath compliance, and permits
- Seasonal weather patterns and optimal concreting times for SA conditions
This local knowledge translates to better installations, fewer problems, and concrete that performs reliably for 20-30+ years in South Australian conditions.
Precision Engineering for Every Residential Project
We don't just pour concrete – we engineer solutions:
- Proper structural design for slabs, ensuring load-bearing capacity meets requirements
- Strategic reinforcement placement (steel mesh and rebar where needed)
- Calculated drainage falls to protect your foundation and prevent water pooling
- Control joint positioning to manage natural concrete movement
- Soil-specific base preparation tailored to your property's ground conditions
Every residential project follows Australian Standards and local building codes. Our precision approach ensures structural integrity that lasts a lifetime.
No Hidden Fees. No Surprises. Just Honest Quotes.
Our detailed quotes include everything you need:
Complete site preparation and excavation
Quality roadbase and mechanical compaction
Steel reinforcement mesh (minimum 6mm)
Premium concrete mix (25-32 MPa residential grade)
Professional finishing to your chosen specification
Control joints and proper drainage
Complete cleanup and waste removal
What you see is what you pay. If site conditions reveal genuine unforeseen issues, we discuss options and costs before proceeding – never after. We itemize our quotes clearly so you understand exactly where your investment goes.
We Respect Your Schedule
Your time matters. That's why we:
- Provide realistic timelines upfront (no over-promising)
- Lock in confirmed dates and stick to them
- Communicate proactively if weather delays occur
- Work efficiently without cutting corners
- Complete preparation, pour, and cleanup as scheduled
Industry Standards & Recovery
PHASE 01
Standard driveway (30m²)3-4 days prep + pour
PHASE 02
House slab (100m²)4-5 days prep + pour
PHASE 03
Patio or pathway2-3 days + cure time
You'll know exactly when work starts, what to expect daily, and when you can use your new concrete.
High-Grade Materials for Adelaide Durability
We use only premium materials designed for South Australian conditions:
Concrete specifications:
Minimum 25 MPa for standard residential32 MPa+ for heavy-use/structuralTrusted Adelaide aggregatesFiber additives available
Modern equipment:
Laser levels for drainageProfessional screedingPlate compactorsConcrete pumps
Better materials + better installation = concrete that performs year after year.
01
Frequently Asked Questions
Explore our categorized knowledge base to find detailed answers about residential concreting in Adelaide.
Compliance & Safety Standards
Yes, Opal Construction LTD holds all required South Australian building and contractor licenses (BLD 317725) and operates in full compliance with local regulations. We carry comprehensive public liability insurance and workers compensation coverage. All our residential concrete work is completed to meet or exceed Australian Standards.
Safety is paramount. We implement full site risk assessments, proper barricading, safe equipment operation, and organized work areas. We maintain Adelaide's residential neighborhood standards with considerate work practices and clear communication.
Yes, we handle council requirements. For projects requiring permits (like crossovers), we can assist with applications. We're familiar with requirements across Adelaide councils including Salisbury, Playford, Tea Tree Gully, and Port Adelaide Enfield.
We follow responsible environmental practices: proper waste segregation, licensed disposal, concrete washout management, dust minimization, and protection of existing landscaping.
Pricing & Quotes
Residential concreting in Adelaide typically ranges from $65-$150 per square metre depending on finish and complexity. Plain grey: $65-$90/m², Coloured: $80-$120/m², Exposed aggregate: $90-$150/m². Final pricing depends on site prep and access.
Quotes include site prep, excavation, roadbase, moisture barrier, reinforcement mesh (SL72+), premium concrete (25-32 MPa), professional finishing, control joints, and cleanup.
Yes, completely free, no-obligation quotes. This includes a site visit to assess conditions and take measurements. You'll receive a detailed written quote within 48 hours.
Timeline & Process
Standard driveway (30m²): 3-4 days (prep + pour). House slab (100m²): 4-5 days. Curing: Walk on 24-48 hrs, Drive on 7 days, Full strength 28 days.
Autumn and Spring are ideal. Winter works well in Adelaide. Summer requires early morning pours and aggressive curing management due to heat.
Minimum 7 days for light vehicles. We recommend 14 days for heavier vehicles. Full chemical cure takes 28 days.
Materials & Finishes
Plain grey (broom), Coloured concrete (oxide integrated), Exposed aggregate (natural stone reveal), and Smooth trowel (internal/sheds).
Exposed aggregate is the favorite for driveways due to heat reflection, slip resistance, durability, and premium appearance.
Yes, strictly premium materials. Minimum 25-32 MPa concrete, SL72/SL82 mesh, and quality roadbase from trusted Adelaide suppliers.
Adelaide-Specific Questions
We address reactive clay soils (common in northern suburbs) with thicker compacted roadbase, proper reinforcement, and strategic control joints to manage ground movement.
Typically NO for replacing existing driveways. Typically YES for new crossovers or changing kerb drainage. We advise on your specific council's rules.
We service all Adelaide Metro: North to Gawler/Virginia, South to Glenelg/Seaford, East to the Hills, and West to the Port.
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Next Residential Project?
Partner with South Australia's trusted residential concreting experts. We deliver engineered precision, transparent pricing, and results built to last.
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Complete peace of mind with comprehensive coverage (BLD 317725)
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Local expertise tailored to Adelaide conditions
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Fixed Price Contracts
Transparent pricing with no hidden surprises