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Chadstone has plenty of knock-down rebuilds and tight infill sites where drainage falls, fill compaction and slab edge detailing can be missed—this inspection checks the base stage before concrete locks mistakes in.
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Our comprehensive service includes everything you need to make an informed decision about your property.
We visually assess whether the prepared base looks consistent and suitable for the slab platform, including obvious soft spots, uneven trimming and areas that may need rework before it is covered. Subgrade issues can contribute to slab movement and cracking over time, particularly if the site has been reworked or built up.
We check that formwork appears straight, properly braced and set to the intended slab edge lines and levels. Poorly set or unstable formwork can lead to out-of-square slabs, incorrect edge beam sizes and finishing problems that flow on to framing, cladding and internal fit-off.
We inspect reinforcement layout as accessible, looking for common pre-pour problems such as inadequate lap lengths, missing bars in key areas, or steel not adequately supported on chairs. Correct placement helps the slab perform as designed and reduces the risk of cracking and edge beam weakness.
We check that the membrane appears continuous, with appropriate overlaps and turns where visible, and that it has not been excessively punctured during installation. A compromised vapour barrier can allow ground moisture into the slab, increasing the risk of flooring failures and moisture-related defects later.
We review visible service penetrations (such as plumbing and conduits) for positioning and basic detailing, and look for conflicts with reinforcement and formwork. Misplaced penetrations can cause delays, require costly core drilling, or weaken slab sections if not addressed before the pour.
We assess obvious drainage risks at the base stage, including where water could pond against the slab edge or enter excavations. Good early management supports slab longevity and helps avoid saturated base conditions on the day of the pour, which can compromise the finished result.
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Find answers to the most frequently asked questions about our inspection service.
Book as soon as you have an estimated pre-pour date, then confirm once the base stage is set: formwork up, steel placed and the vapour barrier installed, but before concrete arrives. Chadstone sites can be tight and fast-moving, so a small timing slip can mean the slab is poured sooner than expected. We’ll help you plan the inspection around the builder’s schedule.
We don’t perform geotechnical compaction testing or certify engineering. What we do is a detailed, practical pre-pour assessment of visible workmanship and common compliance risks at the base stage—site preparation, formwork, reinforcement placement and moisture barrier detailing. If we see signs that suggest testing, documentation, or engineering clarification is needed, we call it out clearly in the report.
Typical issues include vapour barriers with poor laps or damage, reinforcement that is not properly supported on chairs, missing or incorrectly placed bars around corners and openings, and formwork that looks out of line or under-braced. We also see drainage and ponding risks where the base is left holding water. Finding these before the pour prevents expensive rectification later.
They can be, because the site may have been disturbed by demolition, tree removal, re-levelling, or filling to suit a new footprint. On subdivided Chadstone blocks, limited access can also lead to shortcuts in base preparation and protection of the vapour barrier during steel installation. A pre-slab inspection focuses on these practical risks while everything is still visible and fixable.
Most builders will address reasonable, clearly documented items, especially when they relate to pre-pour readiness and durability. Our report provides photos, plain-language explanations and actionable recommendations you can forward to the site supervisor. If the pour is imminent, we recommend notifying the builder immediately and requesting written confirmation of what will be rectified before concrete is ordered or placed.
Still have questions?
Get in TouchACE Building and Pest Inspections focuses on the base-stage details—formwork, steel and moisture barriers—so you can push for fixes while the slab is still accessible. Call 0485 857 077.