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Alphington blocks often include tight infill sites, tree-influenced soils and low-lying pockets near the Yarra corridor—small set-out or moisture-barrier mistakes before the pour can turn into long-term slab movement and dampness.
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Our comprehensive service includes everything you need to make an informed decision about your property.
We check that the slab base is properly prepared, levelled and trimmed, and that the bedding material is consistent across the footprint. This matters because soft spots, uneven base thickness or poor trimming can contribute to differential settlement and slab cracking after the pour.
We inspect formwork alignment, bracing and slab set-downs for wet areas, garages and step-down designs. In tight Alphington infill builds, small formwork errors can cause incorrect slab dimensions, poor falls, and future waterproofing complications.
We assess reinforcement type, spacing, lap lengths, and whether bars/mesh are supported on the correct chairs to achieve cover. Steel sitting too low, too high, or inadequately lapped can reduce slab performance and increase cracking risk.
We check the membrane for punctures, correct lapping and taping, and proper terminations at edges and penetrations. A compromised barrier can allow ground moisture into the slab, affecting adhesives, floor finishes and indoor comfort.
We inspect visible penetrations and set-outs (where accessible) for positioning, sleeving and sealing at the membrane. Misplaced penetrations can force on-the-spot fixes during the pour, and unsealed gaps can become moisture and termite pathways.
We review visible drainage points, rebates and allowances that affect how water will move away from the slab edge once built. Early checks help reduce the chance of ponding against the slab perimeter—an avoidable contributor to dampness and movement.
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Professional inspections with attention to every detail. Here's a glimpse of our work.
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Get Stage 1 – Pre-Slab (Base Stage) Inspection as part of a comprehensive inspection package
Find answers to the most frequently asked questions about our inspection service.
Book once the site is boxed up and ready, with formwork, reinforcement, membrane and services in place—but before any concrete is poured. In Alphington, schedules can move quickly once the slab base is prepared, so it helps to book as soon as you have a likely pour window. We’ll attend prior to the pour and report on items that can still be corrected.
Yes. We examine the vapour barrier for punctures, correct overlaps and taping, and how it’s handled at edges and around service penetrations. These details directly affect moisture migration into the slab. We also look at visible penetrations for sensible positioning and sealing. If the membrane has been damaged during works, it’s far cheaper to fix now than after flooring goes down.
Common hard-to-fix issues include reinforcement that’s incorrectly lapped or poorly supported, formwork errors that change slab dimensions, missing set-downs for wet areas, and damaged or poorly lapped vapour barriers. Once concrete is poured, corrections typically involve cutting, grinding, epoxy repairs, or rework to framing and waterproofing. A Stage 1 inspection focuses on the items that must be right before the pour.
Yes. Alphington has plenty of established vegetation and older neighbourhood infrastructure, and many builds are knock-down rebuilds or tight infill sites. Tree influence and variable ground conditions can magnify the impact of base preparation and reinforcement errors. Some pockets are also more moisture-prone, so getting the vapour barrier and edge detailing right helps reduce damp-related problems later in the build.
We can provide clear, photo-backed findings and practical recommendations that you can forward to your builder or site supervisor immediately. If you want, we can also discuss the items by phone so you understand what’s critical before concrete arrives. The goal is to keep things moving while ensuring the base stage meets the intended standard and avoids preventable defects.
Still have questions?
Get in TouchACE Building and Pest Inspections focuses on the details that matter at Stage 1—formwork, steel and moisture control—so you can address issues early. Call 0485 857 077 to lock in a time.