Blackburn North homes with older subfloors, updated bathrooms, and shaded, moisture-prone areas can hide mould behind linings and under floors—an inspection confirms what’s active and what’s just staining.
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We take moisture readings in bathrooms, laundries, kitchens, and on external-facing walls to pinpoint damp zones that commonly feed mould growth, even when the surface looks dry.
We check for damp soil, poor airflow, plumbing drips, and moisture transfer to bearers/joists and flooring, as subfloor humidity is a frequent driver of mould and musty odours in Blackburn North homes.
We distinguish between old staining and active mould presence by assessing pattern, location, and moisture conditions, so you know what needs cleaning versus what indicates a broader moisture issue.
We look at exhaust fan operation, ducting direction, and signs of steam accumulation (peeling paint, swollen architraves, moulding silicone) to identify whether humidity is being removed effectively.
We check common entry areas such as window reveals, shower recess junctions, balcony/door thresholds (where present), and roof-space clues like water marks that can lead to concealed mould behind walls or ceilings.
Your report documents affected areas, contributing moisture sources, and prioritised actions—such as ventilation upgrades, leak repairs, or moisture management—so remediation targets the cause, not just the symptoms.
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Get Mould Presence as part of a comprehensive inspection package
Find answers to the most frequently asked questions about our inspection service.
We prioritise wet areas (bathrooms, laundries, kitchens), external-facing bedrooms and wardrobes, and any rooms showing musty odours or condensation. Where access allows, we also inspect subfloors and look for moisture conditions that keep mould recurring, such as damp ground, restricted vents, plumbing drips, and poor airflow. The aim is to confirm mould presence and identify what’s driving it in that specific property.
Yes. New finishes can conceal older moisture problems, and renovations sometimes change airflow patterns. Mould often persists behind vanities, inside wall cavities near showers, or in wardrobes on external walls where condensation forms. If exhaust fans are undersized or ducting isn’t effective, humidity can build up quickly. Our inspection looks for moisture indicators that don’t show up in photos or open inspections.
A mould presence inspection focuses on locating mould-affected areas and confirming the moisture conditions that support growth. If the situation suggests that laboratory sampling would be useful (for example, extensive hidden growth or health concerns), we’ll explain the sampling options and why they may help. Many decisions about repairs and moisture control can be made from careful inspection and moisture findings alone.
They can be, especially in older homes with timber floors and accessible underfloor spaces. Subfloor moisture rises when ventilation is restricted, ground stays damp, or there are minor plumbing leaks that go unnoticed. That moisture can affect flooring edges, skirting boards, and internal humidity levels, creating conditions where mould forms in corners, behind furniture, and in wardrobes. We check subfloor conditions where access permits.
Avoid cleaning or bleaching suspected mould for a few days beforehand, as it can mask patterns that help identify the cause. If possible, leave access to wardrobes, under-sink cupboards, shower bases, and laundry areas clear. Let us know about any past leaks, roof repairs, or repeated condensation, and whether the property has a subfloor access point. This helps us focus the inspection on the most likely drivers.
Still have questions?
Contact us for more informationACE Building and Pest Inspections pinpoints where mould is present and what moisture is feeding it, so you can plan fixes that stop it returning. Call 0413 163 187.