Maribyrnong homes and apartments near the river and low-lying streets can trap moisture from humidity, poor subfloor ventilation and winter condensation—perfect conditions for mould to take hold behind walls, in bathrooms and under floors.
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We closely inspect bathrooms, ensuites, laundries and kitchens for mould growth, moisture staining, and failing sealants. These areas often drive whole-of-home mould because daily water use and steam can overwhelm poor extraction fans or older waterproofing details.
We look for mould linked to winter condensation on glazing, frames, and external walls—common in bedrooms and built-in robes. We note likely cold-bridge locations and ventilation shortfalls so you can target the real cause rather than repeatedly cleaning surfaces.
For houses with subfloors, we check for damp ground, inadequate vents, and moisture build-up that can feed mould into floor cavities and skirtings. In Maribyrnong’s lower-lying pockets, restricted airflow and wet soil can keep timber and insulation damp for long periods.
We inspect ceilings, cornices and accessible roof-space entry points for staining, microbial spotting and humidity damage that may relate to roof leaks, bathroom exhausts terminating into roof spaces, or poorly insulated ducting causing condensation.
We check window reveals, sills, and wall junctions for moisture staining, bubbling paint and mould bloom. These locations can point to external water entry, failing flashing, or persistent condensation—especially in south-facing rooms and shaded façades.
We record the locations and severity of suspected mould and moisture impact, then outline likely moisture sources and suitable actions. This may include ventilation upgrades, drainage and downpipe checks, waterproofing review, or referral for targeted mould remediation where needed.
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Find answers to the most frequently asked questions about our inspection service.
They can be. Properties closer to the Maribyrnong River often experience higher ambient moisture and more frequent damp air, especially in cooler months. If a home also has limited subfloor ventilation, shaded external walls, or drainage that holds water near the footings, mould risk increases. A mould presence inspection helps confirm whether moisture is entering from outside, rising from below, or building up internally through condensation.
We inspect high-risk rooms first (bathrooms, laundries, kitchens), then move to bedrooms, wardrobes and living areas where condensation mould often appears. We check around windows, skirtings, ceilings and wall junctions for staining, musty odours and visible growth. We also consider ventilation (exhaust fans, vents, airflow paths) and look for indicators of leaks that can keep building materials damp.
Yes, in many cases. We look for patterns such as fresh spotting, ongoing condensation signs, damp materials, and recurring staining that suggests the moisture source is still present. Old staining without current moisture drivers may be historical, but it can still indicate previous leaks or poor ventilation. Our report explains what appears active, what looks legacy, and what evidence supports that assessment.
They do. In apartments, mould often comes from trapped humidity rather than a single leak—think steamy bathrooms with weak extraction, internal laundries, drying clothes indoors, or limited cross-ventilation. Balcony drainage issues or poorly sealed window junctions can also introduce moisture during wind-driven rain. We focus on the moisture pathways and ventilation setup so the fix targets the driver, not just the visible mould.
Start by addressing the moisture source, then deal with the mould. Depending on findings, that may mean improving bathroom extraction, restoring subfloor ventilation, fixing plumbing or waterproofing faults, or correcting drainage and downpipe discharge near walls. For significant growth, porous materials may need removal and professional remediation. Our report sets out practical next steps and priorities so you can act methodically and prevent recurrence.
Still have questions?
Get in TouchACE Building and Pest Inspections focuses on the moisture causes common in Maribyrnong homes—river humidity, condensation-prone rooms, and underfloor dampness—so you get clear findings and a plan that stops mould returning. Call 0413 163 187.