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Glen Waverley knock-down rebuilds and new townhouses often sit on reactive clay and tightly set sites—getting the base stage right before the pour helps prevent drainage, level and reinforcement issues being locked into the slab.
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Our comprehensive service includes everything you need to make an informed decision about your property.
We assess whether the subgrade and base material are properly prepared for the slab, including cleanliness, compaction indicators and any soft spots or poorly controlled fill that could lead to settlement or cracking after the home is built.
We review the formwork set-out and key slab dimensions visible on site, checking alignment, bracing and edge details so the slab is formed to the intended footprint and levels before concrete makes changes impractical.
We inspect reinforcement type and placement, including mesh/lap positions, bar placement where visible, and whether chairs/supports are used to maintain correct cover so steel performs as designed rather than sitting too low or shifting during the pour.
We check the moisture barrier for correct coverage, overlap and tears, and whether penetrations are sealed. This matters in Glen Waverley builds where internal moisture control helps protect floor finishes and reduces the risk of damp-related issues later.
We review plumbing and service penetrations for positioning, sealing and clearance from reinforcement where accessible, helping reduce future headaches such as slab coring, water ingress paths and compromised reinforcement zones.
We look for details that influence how water behaves around the slab—such as visible fall direction, locations that may pond, and whether the preparation supports effective drainage—so the finished site doesn’t push moisture toward the building.
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Inspection photo 1
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Find answers to the most frequently asked questions about our inspection service.
Book as soon as your builder confirms the pre-pour stage is ready and before the concrete truck is scheduled. In Glen Waverley, rebuild and townhouse sites can move quickly once steel and membranes go down, so aim for an inspection window that still allows time for fixes. If changes are needed, it’s far easier to correct them before the pour than to deal with grinding, coring or engineering work later.
We focus on details that are easy to miss without experience: reinforcement support and lap positions, membrane laps and sealing around penetrations, formwork stability and edge detailing, and whether the base preparation looks suitable for the slab system. Many issues aren’t obvious from a quick look but can affect performance once the slab cures and the home is loaded.
If the site is prepared and the key components are installed correctly, it shouldn’t. The goal is to confirm readiness before the pour, not to slow the build. If we identify defects, addressing them before concrete is poured is typically faster than post-pour remediation. We provide clear, actionable items so your builder can rectify efficiently and keep the project moving.
They can be, mainly because the site has a history—old footings, previous drainage paths, removed trees and changed ground levels can all affect preparation. Subdivision works may also introduce new service trenches and fill zones. A pre-slab inspection helps confirm the slab isn’t being poured over debris, poorly controlled fill, or unaddressed moisture pathways that could cause movement or damp problems.
We check both. The inspection looks at key compliance-related requirements observable at the base stage (such as membrane continuity and reinforcement positioning where visible) as well as workmanship factors that affect durability. We then explain any concerns in plain language and note what should be rectified before the pour. Your report is designed to support a practical conversation with your builder.
Still have questions?
Get in TouchACE Building and Pest Inspections provides a photo-backed Stage 1 report that flags base, steel and membrane issues early so you can request fixes before concrete locks them in. Call 0485 857 077.