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Double level residential home affected by internal water damage impacting flooring systems and adjoining rooms.

The Problem

The property experienced water damage following a slow leak, which spread into adjoining areas of the home. At the time of our initial inspection, the flooring and subfloor were already fully compromised.

Damage was identified across multiple rooms, including compromised yellow tongue flooring and mould growth to the subfloor framing.

Key risks included

• Moisture retention within subfloor systems
• Immunocompromised elderly occupants
• Subfloor structural failure
• Contamination of internal surfaces
• Mould growth within bearers and joists requiring professional removal

Our Assessment

We completed a full water damage inspection, including moisture readings, visual assessment, and documentation of affected areas. Findings confirmed that flooring materials had been impacted and required removal to allow remediation of the remaining bearers and joists.

The Solution

A structured remediation plan was implemented across multiple stages to address both visible damage and underlying moisture conditions.

Works included

• Removal of contents from affected areas to allow safe access
• Installation of containment and HEPA air filtration to control airborne contaminants and achieve required air changes
• Removal and disposal of affected subfloor materials to expose structural elements
• Mid project reassessment to adjust scope based on newly exposed conditions
• Aggressive cleaning of timber bearers and joists using both HEPA sanding and Serum 1000 20% hydrogen peroxide application to remove mould
• Full surface decontamination using HEPA vacuuming and surfactant wet wiping
• Drying works using dehumidification and air movement to return frame work to the dry standard
• Final removal of equipment and containment following completion of remediation

The Outcome

Affected flooring and subfloor areas were successfully remediated, with contaminated materials removed and structural elements cleaned and treated. The drying process reduced moisture levels across impacted areas, allowing the property to progress toward reinstatement.

The staged approach ensured that hidden damage was addressed during the works, reducing the risk of incomplete remediation or recurring issues after repairs.

Put simply, the mould was removed from the building materials and the air, with the property now ready to have new building materials installed.

Why This Project Matters

Water damage in residential homes often extends beyond what is visible on the surface. This project highlights the importance of

• Removing materials to properly access subfloor systems
• Using containment and air filtration to control contamination
• Reassessing conditions during works rather than relying on initial inspections only
• Combining cleaning and drying to achieve a complete remediation outcome

By taking a structured and adaptable approach, we ensured the property was not only cleaned but properly prepared for long term reinstatement.