Decorative and Exposed Aggregate.

Decorative and Exposed Aggregate Concrete in Bulimba

If you want a patio or pool surround that does more than just hold weight, decorative concrete is worth a serious look. Exposed aggregate, stencilled patterns and coloured finishes turn a plain grey slab into something that actually suits an Inner East home, without the ongoing maintenance that timber or pavers bring.

What the Work Actually Involves

Exposed aggregate concrete starts with a standard concrete pour, but the finish is different. Before the surface fully cures, the top layer of cement paste is washed or brushed away to reveal the stone, gravel or shell aggregate underneath. The result is textured, slip-resistant and visually interesting. In Brisbane, local contractors typically use river pebble, basalt or quartz aggregate depending on the look you're after.

Stencilled concrete uses a cut plastic stencil laid over a freshly poured slab. Colour hardener or release agents are pressed into the surface to create patterns that mimic slate, sandstone or pavers. The stencil is peeled back before the concrete sets.

Coloured concrete is simpler: oxide pigments are mixed directly into the concrete batch or broadcast onto the surface as a hardener. It gives a uniform tint across the whole slab.

The equipment involved is similar to standard concreting: a concrete pump or wheelbarrow run, vibrating screed, float, and for exposed aggregate specifically, a pressure washer or surface retarder spray applied at the right time in the cure. Timing is critical. If the wash-off happens too early the aggregate sits proud and loose; too late and the paste has locked in.

A sealer coat goes on once the slab has cured, typically after 28 days, though some contractors apply an initial seal sooner. In Brisbane's humidity and UV, a penetrating sealer or solvent-based acrylic is standard.

When a Bulimba Homeowner Typically Needs This

Most jobs in this area come down to one of a few situations:

• You're building a new patio, pool surround or front entry path and want something better than broom-finish grey.
• An existing plain slab is structurally fine but looks dated or slippery when wet, which is a real issue around pools.
• You're doing a renovation and the concrete needs to match a certain aesthetic, especially on older Queenslander-style homes in Hawthorne, Balmoral or Norman Park where kerb appeal matters.
• The old surface has surface wear, pitting or staining that can't be cleaned back, and a decorative overlay or replacement is the practical fix.

There's no strict season for pouring in Brisbane, but avoid scheduling in the middle of a wet spell. Rain on fresh concrete before it's set ruins the finish, particularly on exposed aggregate where the timing of the wash is already narrow. Spring and autumn tend to give the most predictable conditions.

What It Costs in Brisbane

Decorative concrete costs more than a plain broom-finish slab. As a general guide:

• Coloured concrete typically adds $20-$50 per square metre over standard.
• Stencilled concrete usually runs $80-$130 per square metre all in, depending on pattern complexity.
• Exposed aggregate typically sits in the $100-$160 per square metre range for a finished patio or pool surround.

For a mid-size Bulimba patio of around 30-40 square metres, you're likely looking at $3,000-$6,500 depending on the finish and site conditions. Pool surrounds often sit toward the higher end because of the precision required around coping and drainage falls.

What moves the price up: difficult access (side gates, steep blocks common on Norman Park and Balmoral slopes), existing concrete removal, tree root work, custom aggregate blends, and multiple colours or complex stencil patterns.

What's Typically Included vs What Costs Extra

A standard quote for this work usually covers: concrete supply and pour, labour, the decorative finish process, and a basic sealer coat.

Watch for these items that sometimes sit outside the quote:

• Formwork removal and disposal
• Excavation or subbase preparation if the area isn't already graded
• Concrete removal if there's an existing slab
• A second sealer coat applied at 28 days
• Any drainage work or step construction adjacent to the slab

Ask the contractor to specify what's included before you sign anything.

Is This the Right Service for Your Property?

Exposed aggregate and stencilled finishes suit most Inner East properties well. They handle Brisbane's UV, heavy summer rain and pool chemicals better than many alternatives, and the texture gives grip that plain or polished concrete doesn't.

They're not the best fit if you want a very sleek, minimal look. A polished or honed finish would suit that better, and that's a different process. If your existing slab is structurally failing (cracked through, sunken, heaving from roots), a decorative overlay won't fix the underlying problem. You'd need concrete removal and replacement first.

A Straightforward Note on Qualifications and Insurance

Concrete work in Queensland doesn't require a trade licence the same way electrical or plumbing does, but for any slab over a certain size or attached to a structure, a QBCC (Queensland Building and Construction Commission) licence may be required. Ask the contractor directly whether their work falls under that threshold and whether they carry public liability insurance. Any reputable operator will be able to answer both questions clearly.

We connect you with local concrete contractors in Bulimba, Hawthorne, Morningside and the surrounding suburbs. If you'd like to talk through what your project needs before getting a quote, that's exactly the kind of conversation worth having first.