NHIE exam practice question · Professional Practice
A general home inspection is defined as visual and non-invasive, and that definition is what makes the exclusion of concealed conditions inevitable rather than arbitrary. To identify what is inside a closed wall, beneath a floor covering or under a slab you would have to open it, which means damaging a property that does not belong to you or your client, on the chance that something is there. No inspector could operate on that basis, and no seller would permit it. So the standards draw the line at what is observable and require that concealed conditions and latent defects be excluded, while the inspector still reports the visible evidence that suggests one — staining, deflection, odour, a repair patch — and recommends further evaluation. The exclusion limits the conclusion, not the observation, and communicating that distinction to the client is part of managing expectations.
Identifying concealed conditions would require opening finished assemblies, which is destructive and outside a visual, non-invasive inspection.
General inspections are visual and non-invasive. Standards exclude concealed conditions and latent defects because identifying them requires destructive investigation, while visible evidence suggesting them is still reported.
Visual Means Visible. You cannot open somebody's wall on a hunch, so the standard stops where the finish starts.
Explaining the scope to the client at the start prevents the most common complaint after closing — that the inspector missed something inside a wall.
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