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Mount Waverley’s mix of older clay soils and knock-down rebuild blocks makes the pre-slab stage critical—one missed edge beam, barrier lap, or set-down can lock defects into the concrete forever.
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Our comprehensive service includes everything you need to make an informed decision about your property.
We assess whether the base looks properly prepared for the slab, including visible soft/loose areas, ponding, and whether the prepared levels appear consistent with the slab design. This matters because uneven or poorly prepared founding material can contribute to slab movement and cracking once the home is loaded.
We verify the formwork is straight, stable and positioned to suit the plans, including edge beam locations and any step-downs/set-downs (such as for garages, porches and wet areas). Correct set-downs prevent later problems with floor levels, external falls and waterproofing transitions.
We check that reinforcement appears consistent with the drawings, including mesh/lap direction, bar placement in beams, and that chairs/spacers provide appropriate cover. If steel sits too low, too high, or laps are short, the slab may not perform as designed.
We inspect the membrane for tears, punctures, adequate laps, taping where required, and detailing around penetrations. A properly installed barrier helps reduce moisture vapour entering the slab, which can affect flooring, adhesives and indoor humidity over time.
We review plumbing and other penetrations for positioning, sleeving and sealing details, and look for clashes with reinforcement or edge beams. Fixing a misplaced penetration is far easier before the pour than core-drilling later and weakening the slab or compromising moisture barriers.
Where termite management measures are part of the build, we check that slab edge clearances and required components appear in place before concrete. Missing or obstructed edge details can reduce the effectiveness of the termite system and make compliance harder to demonstrate later.
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Professional inspections with attention to every detail. Here's a glimpse of our work.
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Find answers to the most frequently asked questions about our inspection service.
Book once the formwork is installed, reinforcement is tied, the moisture barrier is down, and service penetrations are in place—but before concrete is poured. In Mount Waverley, schedules can move quickly after steel is signed off, so it’s best to organise the inspection as soon as you receive the pour date or when the base stage is close to ready.
Yes. We compare what’s on site to the available approved documentation, focusing on the practical items that must be correct before the pour—edge beams, set-downs, reinforcement placement, membrane detailing and penetrations. If something appears inconsistent or unclear, we document it with photos and explain what to raise with your builder or engineer for confirmation.
Common issues include membrane tears and unsealed laps, penetrations that aren’t properly sleeved or are too close to beams, reinforcement sitting without adequate chairs, and set-downs that don’t match wet-area or garage requirements. These are usually straightforward to rectify at the base stage, but they become expensive and disruptive once concrete is in.
They can. Mount Waverley has plenty of sites with reactive clay and blocks that require cut-and-fill or retaining edges, which can affect drainage and bearing conditions under the slab. We pay close attention to how the prepared base presents, edge beam formation, and whether the set-out supports proper falls away from the house to reduce future moisture and movement risks.
Often, yes. Knock-down rebuilds can involve reworked services, removed trees, and altered site levels compared with the original dwelling. At Stage 1, we look closely at penetration locations, membrane detailing, and base preparation around areas that may have been disturbed. The goal is to identify issues early so the new slab isn’t built over avoidable defects.
Still have questions?
Get in TouchACE Building and Pest Inspections will inspect the formwork, steel, membrane and penetrations at Stage 1 and provide a photo-rich report you can act on straight away—call 0485 857 077 to lock in a time.