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Armadale blocks often sit close to boundaries and adjoining heritage homes, so set-out, drainage falls and moisture control need to be right before concrete goes down. A pre-slab check catches mistakes you can’t easily fix after the pour.
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Our comprehensive service includes everything you need to make an informed decision about your property.
We check the base is properly prepared for the slab—cleared, levelled as required, and suitable for the intended pour. Poor prep can lead to soft spots, slab movement and uneven support, especially where fill or disturbed ground has been used.
We assess formwork positioning, straightness and edge configuration so the slab is formed to the correct footprint and thickness. On tighter Armadale sites, small set-out issues can affect boundary clearances, step-downs and later fit-off tolerances.
We inspect reinforcement layout, laps, tieing and whether bars and mesh are adequately supported on chairs to achieve correct coverage. If steel sits too low or shifts before the pour, it can reduce performance and contribute to cracking.
We check the vapour barrier for continuity, appropriate overlaps and taping, and how it is sealed around plumbing and service penetrations. Breaks, poor laps or unsealed penetrations can allow moisture ingress that shows up as damp flooring or musty odours later.
We verify planned penetrations are located and sleeved correctly and that any set-downs (wet areas, garages, balconies as applicable) are formed as intended. Fixing misplaced penetrations after the pour can mean cutting concrete and risking waterproofing performance.
We look at visible provisions that affect the slab area—such as surface water management around the platform and whether the base stage has been left in a condition that won’t trap water under or against the slab edge. This helps reduce dampness risks and construction delays from water pooling.
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Inspection photo 1
Inspection photo 2
Inspection photo 3
Find answers to the most frequently asked questions about our inspection service.
Book once the site is boxed up and ready: formwork is installed, reinforcement is tied, and the vapour barrier and penetrations are in place—but before concrete arrives. In Armadale, access can be tight and pour schedules move quickly, so it’s best to organise the inspection as soon as your builder confirms the pre-pour date. We’ll aim to attend within the practical window.
A Stage 1 inspection can identify issues that become hidden after concrete is placed, such as reinforcement not sitting on chairs, incorrect laps, mesh displacement, incomplete vapour barrier laps, torn membranes around pipes, missing set-downs, and formwork that doesn’t match the intended slab edges. These are high-impact items because fixes are straightforward before the pour and disruptive afterwards.
We assess the base stage against common compliance expectations and sound building practice, then document any concerns clearly. If something appears non-compliant or risky, we explain what we observed and the practical implications, and recommend the right next step (such as requesting builder rectification or seeking clarification from the relevant professional). This approach helps you have a focused, productive conversation with your builder.
Yes. Armadale projects often involve knock-down rebuilds and extensions on established streets with limited working room. That can lead to crowded service penetrations, rushed membrane detailing, and formwork set-out pressure near boundaries or neighbouring structures. A pre-slab inspection helps confirm the base stage hasn’t been compromised by access constraints and that key moisture and reinforcement details are properly finished before the pour.
It depends on what’s found, but catching issues early usually avoids bigger delays later. Many base-stage items—like adding chairs, retaping membrane laps, or correcting penetration sealing—can be fixed quickly before the truck arrives. If a more serious concern is identified, you’ll have the photos and a clear list of actions to support a timely decision with your builder about proceeding or rectifying first.
Still have questions?
Get in TouchCall ACE Building and Pest Inspections on 0485 857 077 to check formwork, reinforcement and moisture barrier details while fixes are still easy on your Armadale 3143 site.