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Box Hill North rebuilds and townhouse sites often involve tight access, cut-and-fill levels and reactive clay soils common in Melbourne’s east—small setup errors before the pour can become long-term slab movement, drainage issues and costly rectification.
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Our comprehensive service includes everything you need to make an informed decision about your property.
We review the exposed base for conditions that can affect slab support, including uneven trimming, soft spots, signs of uncontrolled fill, and whether the base is prepared in a way that supports the slab design. This matters because the slab relies on uniform support to reduce cracking and differential movement.
We check formwork alignment, slab edge beam sizes, set-downs (such as showers and wet areas), step-downs (garage/alfresco where applicable) and overall levels visible at this stage. Incorrect formwork can lead to height problems, drainage fall issues and difficult rectification after the pour.
We inspect reinforcement layout as installed, including laps, spacing, trench mesh/edge beam steel placement, and whether the steel is adequately supported on bar chairs to achieve concrete cover. Poor cover or incorrect placement can reduce durability and increase the risk of corrosion and slab cracking.
We review plumbing and conduit penetrations through the slab area for location, clearance and any obvious conflicts with reinforcement and edge beams. Early identification helps avoid last-minute cutting, re-bending steel, or relocating services in ways that can weaken the slab.
We check that the vapour barrier is installed continuously with appropriate overlaps, taped joins where required, and that it is not punctured or pulled back around beams and penetrations. A compromised membrane can allow ground moisture to migrate into the slab and impact floor finishes later.
We look for the termite management system components that must be in place before concrete is poured (where applicable), including slab penetrations detailing and barrier continuity. If it’s missed or installed poorly at this stage, it can be difficult to correct and may affect compliance and ongoing protection.
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Find answers to the most frequently asked questions about our inspection service.
Book it once formwork is set, reinforcement is tied, services are roughed-in, and the vapour barrier is laid—but before any concrete is poured. In Box Hill North, pours are often tightly scheduled on smaller townhouse sites, so aim to book 2–3 business days ahead. If the pour is booked sooner, call and we’ll advise the best way to fit the inspection in.
Have the slab/structural drawings, engineering details, site plan, and any relevant soil report information available, plus the builder’s permit set if you have it. We use what’s provided to check what’s visible on site at pre-slab stage. If you don’t have everything, we can still inspect the workmanship and obvious compliance risks and note any limitations clearly in the report.
Yes. At Stage 1 we focus on what’s installed before the pour, which includes pods (where used), formwork setup, edge beam formation, reinforcement placement, bar chairs/support, and the membrane and penetrations. The key is confirming the slab system has been assembled correctly and is ready for concrete. We also photograph critical areas so you have a clear record of what was in place pre-pour.
They can be. Box Hill North often involves knockdown-rebuilds and dual-occupancy builds where sites are reshaped, access is tight, and existing trees or older services may influence excavation and placement. That can increase the chance of rushed detailing around penetrations, uneven base preparation near boundaries, and membrane damage from foot traffic. A pre-slab inspection checks these high-risk areas before they’re permanently covered.
Ask for the pour time and aim to inspect the day prior or early morning before the concrete arrives, while the site is still set up. Most issues at Stage 1 are quick to verify and, if found early enough, can often be rectified without cancelling the pour. If the builder won’t allow time, request a brief hold until key items (steel support, membrane integrity, and penetrations) are confirmed.
Still have questions?
Get in TouchACE Building and Pest Inspections focuses on the details that matter at Stage 1—formwork, steel, membrane, penetrations and termite measures—so you can address issues while the slab is still accessible. Call 0485 857 077.