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Maribyrnong builds often involve infill blocks, variable soils and drainage near the Maribyrnong River corridor—one missed detail under the slab can lead to dampness, cracking and uneven floors that are expensive to fix later.
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Our comprehensive service includes everything you need to make an informed decision about your property.
We inspect excavation depth, base material placement and compaction presentation, and whether the slab platform looks uniform and clean. On Maribyrnong infill sites, uneven bearing surfaces and poorly managed fill can contribute to slab movement. Identifying soft spots, debris and inconsistent preparation before the pour helps avoid future cracking and differential settlement.
We check formwork alignment, bracing, slab dimensions and visible level control, including edge beams and rebates where applicable. Errors at this stage can affect wall set-out, step-downs to wet areas, and slab edge exposure. Fixing a formwork issue before concrete is poured is far simpler than grinding, patching or reworking framing later.
We assess the placement of mesh and trench/beam reinforcement, overlaps, tie-offs, and whether bar supports appear adequate to maintain cover during the pour. Reinforcement that’s too low, displaced, or poorly lapped can reduce slab performance. Our notes help you ensure the steel ends up where the engineer intended once concrete is placed and vibrated.
We check that the moisture barrier appears continuous, correctly lapped and taped, and not punctured or excessively wrinkled, including around penetrations. In parts of Maribyrnong where ground moisture management is important, a compromised membrane can allow moisture vapour to migrate into the slab, impacting floor coverings and indoor comfort.
We review visible service penetrations for positioning, sleeving where required, and whether penetrations appear adequately sealed at the membrane interface. Misplaced pipes can create slab cutting later, while poor sealing around penetrations can become a moisture pathway. Getting this right pre-pour reduces rework and helps maintain barrier performance.
We look for signs that surface water will be managed away from the slab zone, including the readiness of subfloor drainage measures shown at this stage and potential ponding areas around the platform. Maribyrnong blocks can be tight and hard to regrade after the pour, so early identification of drainage risks helps prevent long-term damp edge conditions and landscaping rework.
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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 it for the window after excavation and base prep are complete, and once formwork, steel, services and the vapour barrier are installed—but before the concrete pour. In Maribyrnong, tight access and busy townhouse sites can change schedules quickly, so it helps to organise the inspection as soon as you’re given a tentative pour date and confirm we can attend in time.
It can. Where blocks are lower lying or moisture management is a bigger concern, we pay close attention to the vapour barrier integrity, laps and taping, and how penetrations are sealed. We also look for signs that the slab platform and surrounding area will manage surface water away from the build. These early details influence damp risk long after the slab is poured.
Most base-stage issues are still fixable at this point, which is why the inspection is valuable. Common rectifications include repositioning or supporting reinforcement, correcting mesh laps, adjusting formwork alignment, re-taping or replacing sections of vapour barrier, and addressing debris or poor preparation on the slab base. Fixing these now is typically faster and cheaper than post-pour remediation.
Yes—higher-density projects often involve tight boundaries, multiple penetrations and complex set-outs for garages, steps and wet areas. That increases the chance of clashes between services and reinforcement, or missed sealing around penetrations. Limited working room can also lead to membrane damage during foot traffic. A pre-slab inspection helps identify these practical site issues before they are hidden under concrete.
Yes. You’ll receive a detailed report with photos and clear, actionable notes that identify what we observed and why it matters at the base stage. You can forward it to your site supervisor to request rectification prior to the pour. If needed, we can also outline which items are time-critical so the builder can prioritise them before the concrete arrives.
Still have questions?
Get in TouchACE Building and Pest Inspections focuses on the details that get buried forever—reinforcement placement, vapour barrier integrity and slab set-out—so you can address issues before the pour. Call 0485 857 077.