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Building Repairs After Mould & Water Damage in Sydney
Water damage and mould often leave walls, ceilings and floors that have to be rebuilt. AAA Mould Removal does the mould remediation and the building repairs as one team, under our NSW builder licence (392154C).
Quick answer: we remove the mould-damaged plasterboard, insulation and timber under containment, dry the framing, wait for an independent post-remediation verification (clearance test), then rebuild: framing, plasterboard, waterproofing, tiling, painting and joinery. The inspection and quote are free. Recent single-room jobs cost $4,000 + GST (Parramatta, 4 days) and $6,000 including GST (Croydon, 8 days).
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NSW Licensed Builder 392154C (Supervisor, Kitchen, Bathroom & Laundry and Renovation)
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Carpentry Licence
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IICRC certified: WRT, AMRT and ASD
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Walls closed up only after independent clearance testing
Why We Rebuild Only After a Clearance Test
Put new plasterboard up before the mould and moisture are dealt with, and you seal the problem inside the wall. That is why every repair job we do follows the same order:
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Fix the water source first: roof, plumbing or waterproofing (sometimes the insurer's builder does this)
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Remove mould-affected plasterboard, insulation and timber that cannot be cleaned
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Dry the framing and check it with moisture meters
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Independent post-remediation verification by a hygienist
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Then rebuild, paint and reinstall
One team does the remediation and the rebuild, so nothing gets closed up too early and you are not waiting for a separate tradie.
What We Repair
1. Framing: We cut out water-damaged studs, noggins and bottom plates and replace them with new timber.
2. Walls and ceilings: New plasterboard, set and finished ready for paint.
3. Wet areas: Waterproofing, FC sheeting and tiling after bathroom, ensuite and laundry leaks, in line with the NCC.
4. Painting: Sealer and finish coats so the repaired walls match the rest of the room.
5. Joinery and floors: Wardrobes, linen cupboards, shelving and skirting reinstalled, and floor coverings replaced where they were damaged.
6. Insurance jobs: We can work alongside your insurer and their builder. On our Croydon job the insurer's builder fixed the roof and we did the mould removal and the rebuild inside.
Building Repair Costs
Every job is different, so we give you a fixed quote after a free inspection. Recent repair jobs:
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Croydon master bedroom (roof leak): strip-out, new bottom plates, plasterboard, paint and wardrobe. 8 days, $6,000 including GST
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Parramatta linen cupboard (ensuite leak): mould removal and rebuild. 4 days, $4,000 + GST
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Balmain bedroom and hallway (water main leak inside the wall): lower framing, noggins and bottom plates replaced, then plasterboard, paint, wardrobe and timber flooring. 10 days, $7,500 + GST
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Professional mould report, if you need one for insurance or a landlord: $500 + GST
These are examples only, not a quote.
Book a FREE MOULD INSPECTION TODAY
Recent Repair Jobs in Sydney
Real jobs from Michael Nguyen and the team, with photos of each step:
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Croydon roof leak: mouldy plasterboard and bottom plates replaced, an independent clearance test, then a full bedroom rebuild with paint and wardrobe in 8 days.
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Balmain water main leak: lower framing, noggins and bottom plates replaced after an independent clearance, then plasterboard, paint, wardrobe and timber flooring in 10 days.
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Parramatta ensuite leak: mould spread into the linen cupboard. Removed and rebuilt in 4 days for $4,000 + GST.
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Cronulla pipe leak: a slow leak and a cracked roof tile kept a wall wet until mould grew inside it, so we stripped it out.
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Crows Nest box gutter leak: we found termite damage behind the plaster and stopped work until it was dealt with.
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Haberfield encapsulation: what we do when mouldy material cannot be removed, and how we rebuild around it.
Building Repair FAQs
Straight answers to the questions we get asked most
Do I need a separate builder after mould removal?
No. Michael Nguyen is a NSW licensed builder (392154C), so the team that removes the mould also does the rebuild. You deal with one company from strip-out to the final coat of paint.
When can the walls be closed up?
Only when the framing is dry and an independent post-remediation verification has passed. Closing the walls earlier can seal mould and moisture inside them.
Do you work on insurance jobs?
Yes. We can work alongside your insurer and their builder. On our Croydon job the insurer's builder repaired the roof, and we did the mould removal and the rebuild inside. A professional mould report is available for $500 + GST if your insurer needs one.
Landlords, Strata & Real Estate
Water damage in a rental or strata building usually needs both mould remediation and repairs. We give landlords, property managers and strata committees one team for both, with photos of each stage and, if needed, a professional report.
AAA Mould Removal partnered with the biggest real estate in NSW to assist landlords and tenants with mould management and remediation
AAA Mould Removal Services have partnered with the biggest builder in Australia to provide Mould Remediation and Management.
We provide mould management strategies Strata Management, Hotels, Motels and Caravan Parks