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Gardenvale blocks often involve tight side access and rebuilds behind older homes, so the base stage can be where drainage falls, cut-and-fill and moisture barriers are missed before concrete locks them in.
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Our comprehensive service includes everything you need to make an informed decision about your property.
We review the slab footprint, rebates/steps and key levels before the pour so the finished floor height, driveway interface and external falls aren’t compromised by an early set-out error.
We check the prepared subgrade, fill placement and base material condition, looking for soft spots, ponding or areas likely to pump or settle—issues that can lead to slab movement and cracking.
We inspect boxing alignment, bracing and beam dimensions to help ensure the slab is formed to the intended geometry and depth, including thicker edge beams where loads and site conditions demand it.
We assess mesh and bar size (where visible/known), laps, tie-offs, spacing and bar chairs so reinforcement stays at the correct height during the pour, not on the ground where it can’t perform.
We inspect vapour barrier placement, overlaps, tears and upturns, plus sealing around penetrations, to reduce the chance of rising moisture affecting flooring, adhesives and indoor air quality later.
We review plumbing and service penetrations, edge clearances and sleeves where accessible, noting clashes and missing protections so you avoid coring, patching or compromised waterproofing after the pour.
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Professional inspections with attention to every detail. Here's a glimpse of our work.
Inspection photo 1
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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 it as soon as formwork, reinforcement, membranes and penetrations are in place but before any concrete arrives. In Gardenvale, tight blocks can move quickly once the site is ready, so aim to schedule the inspection 24–48 hours ahead of the planned pour. If the builder changes the pour date, we can usually adjust so we still see everything exposed.
Most critical items are hidden in plain sight unless you know what to look for: reinforcement laps and support height, membrane laps and sealing, edge beam dimensions, base condition, and service penetrations that can cause future leaks or cracking. We document these details with photos and direct recommendations so you can request corrections before the slab makes them permanent.
A surveyor’s visit may be limited in scope and timing, and it may not focus on construction quality at every detail. An independent Stage 1 inspection is dedicated to identifying practical defects and compliance risks at the base stage, with a report written for you. It’s especially useful when you want clear, itemised issues to raise before the pour proceeds.
Yes. Gardenvale sites often involve rebuilds beside established boundaries, which can make drainage, access and slab level transitions tricky. We commonly pay close attention to surface water management around the footprint, membrane damage from heavy foot traffic, and level coordination with driveways and paths. These are the kinds of issues that become expensive once the slab has cured.
If we identify issues, you’ll have clear notes and photos to discuss with the site supervisor straight away. Some items can be corrected quickly (like membrane repairs or bar chair adjustments), while others may require confirmation or rework before pouring. The goal is to avoid pouring over defects that would cost far more to rectify later, even if it means a short reschedule.
Still have questions?
Get in TouchCall ACE Building and Pest Inspections on 0485 857 077 for a Stage 1 – Pre-Slab (Base Stage) Inspection in Gardenvale, with photo reporting and practical actions your builder can address immediately.