An exposed aggregate concrete contractor prepares the ground, places concrete and reveals the decorative stones near its surface. The work also involves planning levels, drainage, joints and curing so the finished area suits its daily use.
For Perth homeowners, commercial clients and strata managers, choosing the finish is only part of the decision. A driveway needs to carry vehicles. An alfresco area needs to suit outdoor living. A shared path needs to provide practical access for residents and visitors.
This guide explains where exposed aggregate can be used, what happens during installation and what to ask before booking Perth Concrete And Landscaping.
What Is Exposed Aggregate Concrete?
Exposed aggregate is concrete with some of the surface cement paste removed to reveal the embedded stone. This creates a textured finish with visible colour and variation across the surface.
Boral’s exposed aggregate range includes options for driveways, paths, patios and pool surrounds. The stone blend and background colour help shape the finished appearance.
Plain concrete has a more uniform appearance. Honed concrete is ground to produce a flatter finish with visible aggregate. When comparing samples, ask which treatment you are viewing: different finishes can look similar in photographs.
Where Can Exposed Aggregate Concrete Be Used?
Start with how people will use the area. The right choice for a vehicle entrance may feel different from what you want beside outdoor seating.
Residential Driveways and Paths
A driveway is often the largest visible concrete area at the front of a home. Discuss the proposed width, garage connection and places where vehicles turn or park.
For paths, walk through the intended route before confirming the layout. Check gate openings, bin access and the connection between the front and back garden. Tell the contractor if the path will also carry a loaded trolley or other equipment.
Taking photographs of these access points can help explain the project when requesting an initial assessment.
Alfresco Areas and Pool Surrounds
For an alfresco area, discuss furniture placement, door openings and how the surface meets adjoining paving or lawn. Look at the proposed texture as well as the colour.
Barefoot areas deserve particular attention. CCAA’s Exposed Aggregate Finishes for Flatwork explains that aggregate size and shape affect comfort, while stone texture affects slip resistance.
Ask to feel a sample. A textured appearance alone does not confirm suitability for a wet area; discuss the finished surface, sealer and required performance together.
Commercial and Strata Outdoor Areas
For a shop entrance or shared residential path, explain who uses the space and when it is busiest. Ask how the work will affect deliveries, resident parking and pedestrian access.
Strata managers should confirm the approved work area and identify who can authorise changes. Agree how residents will receive updates and which route remains available during the work.
For commercial projects, provide any drawings or access requirements before the contractor prepares the scope.
Choosing the Stone, Colour and Surface Texture
Bring photographs of the surrounding walls, roofing, paving and garden. These give the contractor a useful starting point for discussing colours.
View physical samples outdoors where possible. Compare a sample near the house rather than choosing from a screen alone. Ask whether it has been sealed, because you should understand the appearance you are approving.
Boral notes that natural quarry materials can vary between batches and recommends selecting colours from an actual sample. Treat that sample as a guide rather than a promise that every stone will look identical.
Record the selected mix and finish in the written scope. If you want a border or a separate treatment at the entrance, identify its location before work starts.
How an Exposed Aggregate Concrete Contractor Installs the Surface
The broad sequence is straightforward, but each site needs its own plan. Ask the contractor to explain the following stages and identify anything that depends on weather or site conditions.
Site Inspection, Levels and Drainage
Before installation, discuss existing surfaces, access and the intended use of the new area. Point out irrigation, service covers, downpipes and any places where water currently collects.
Useful questions include:
- Where will surface water go?
- How will the new concrete meet doors, gates and existing paths?
- Is removal of old concrete included?
- How will the delivery vehicle or pump reach the work area?
Ask for proposed changes to levels to be explained before excavation. This is easier to review while the site is still open.
Ground Preparation, Formwork and Reinforcement
Site preparation comes before the decorative finish. The contractor assesses what must be removed and what support the new slab requires.
Formwork defines the edges and shape. Confirm curves, widths and boundaries at this stage. Check that gates can open and that the layout leaves the space you expect for garden beds.
Ask the contractor to state the proposed slab thickness, reinforcement and concrete specification. These should suit the ground and expected loads, with engineering input where needed. A pedestrian path and a vehicle area should not simply be treated as the same job.
Concrete Placement and Aggregate Exposure
The crew places and finishes the selected concrete mix. To create the exposed appearance, surface paste is removed at a controlled stage, commonly with washing and a surface retarder.
The contractor manages this timing. Ask how nearby walls, paving and garden areas will be protected, and how wash water will be contained and collected.
Keep the work area clear while the crew completes the surface. If you see something you want to discuss, speak to the nominated contact rather than stepping onto the new concrete.
Joints, Curing, Sealing and Handover
Discuss the joint layout before the pour. Joints help manage movement, but concrete should never be sold with a promise that it cannot crack.
Curing protects moisture needed for strength development. Boral’s driveway guidance stresses careful handling and curing for decorative concrete used by vehicles.
Sealing must suit the selected product and site conditions. Ask when it will occur and whether it forms part of the quoted work.
At handover, request written instructions covering:
- When pedestrian access can resume.
- When vehicles and heavier loads are allowed.
- Any restrictions after sealer application.
- Cleaning products and methods to use.
- Who to contact if a concern appears.
Do not assume that a dry-looking surface is ready for traffic. Follow the instructions for your installation.
What to Check Before Hiring a Contractor
When comparing an exposed aggregate concrete contractor in Perth, ask for evidence relevant to your project and a scope you can understand.
Review Similar Work
Request examples of comparable driveways, paths or outdoor areas. Ask about the mix and finish shown in each example. A photograph helps with appearance, while a conversation about the work helps you understand the contractor’s approach.
Compare the Written Scope
Check whether each proposal addresses the same work:
| Item | What to clarify |
|---|---|
| Removal | Existing surfaces, spoil and disposal |
| Preparation | Ground work and proposed levels |
| Concrete | Mix, thickness and reinforcement |
| Finish | Aggregate selection, borders and joints |
| Completion | Curing, sealing, clean-up and handover |
Also ask how changes will be priced and approved. For example, if excavation reveals unexpected conditions, agree who receives the explanation before additional work begins.
Confirm Insurance and Communication
Ask for current insurance details and a named project contact. Confirm how scheduling updates will be provided and who handles questions after completion.
Perth Concrete And Landscaping states on its website that it is fully insured. Discuss the scope and insurance relevant to your work when arranging the project.
Caring for Exposed Aggregate After Installation
Keep the contractor’s maintenance instructions with your project records. They should identify the sealer used and any product-specific restrictions.
Boral’s maintenance advice recommends routine cleaning with water and mild detergent, avoiding harsh chemicals and damaging pressure washing, and renewing sealer as needed.
Clear leaves and spills promptly. Before using a new cleaner, check that it suits the concrete and sealer. If a stain persists, ask for advice before using a stronger product.
Inspect the area periodically and photograph any changes you want the installer to review. This gives both parties a clearer record of the concern.
Plan Your Project with Perth Concrete And Landscaping
Planning a driveway, alfresco area or shared outdoor path starts with a clear brief. Share the approximate area, photographs, access details and the way the space will be used.
Perth Concrete And Landscaping provides concreting services for Perth properties, including driveways, alfresco areas, side paths and decorative finishes. Homeowners, commercial clients and strata managers can discuss the proposed work and request a site-specific scope.
Get a free quote and discuss an exposed aggregate finish for your property.
Frequently Asked Questions
1. Where can exposed aggregate concrete be used?
Common uses include driveways, paths, patios and pool surrounds. The design and finish need to suit the intended activity. See Boral’s application guide.
2. How is the aggregate exposed during installation?
The installer removes surface cement paste to reveal embedded stone. Techniques include washing and the use of surface retarders. See CCAA’s flatwork guide.
3. Is exposed aggregate suitable for pool surrounds?
It can be, provided the selected finish suits wet conditions and barefoot use. Discuss texture, drainage and sealer together. CCAA’s guidance explains the role of aggregate selection.
4. Can I choose the stone colour and texture?
Options depend on the locally available mixes and chosen finish. Use physical samples and expect natural variation. See Boral’s colour selection advice.
5. When can I walk or drive on the new concrete?
Follow the installer’s written release times for each activity. Concrete needs curing, and vehicle loading requires separate advice. Boral’s driveway guide explains why careful curing matters.
