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Balcony Leak Repair
Near Me
Balcony leaks are one of the most common causes of structural water damage in Sydney homes and strata buildings. Failed membranes, cracked tiles, poor drainage, and incorrect detailing can allow water to penetrate into slabs and internal walls.
At Real Seal Solutions, we provide professional balcony leak repairs in Sydney, delivering targeted solutions to stop leaks and prevent further damage — without unnecessary full replacements where possible.
Backed by Experience.
Balcony Repairs Sydney
Leaking balconies are often caused by:
• Membrane failure
• Cracked grout or tiles
• Poor drainage or ponding water
• Failed sealants at door thresholds
• Movement cracks in slabs
Our balcony leak repair services include:
• Leak detection and assessment
• Crack and joint sealing
• Targeted membrane repairs
• Drainage improvements
• Re-waterproofing where required
We assess the root cause of the leak and recommend the most effective long-term solution.
Looking for other waterproofing solutions?
Explore our Bathroom & Laundry Waterproofing and Balcony & Rooftop Waterproofing services.
Backed by Experience.
Common Signs of Balcony Waterproofing Failure
You may need balcony leak repairs if you’re experiencing:
• Water stains on ceilings below
• Efflorescence on concrete or brickwork
• Damp internal walls
• Peeling paint near balcony doors
• Water pooling after rainfall
Early repairs can prevent major structural damage and costly remediation.
Backed by Experience.
Professional Balcony Leak Repairs You Can Rely On
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All balcony leak repair work is carried out using certified waterproofing systems and compliant methods suited to Australian Standards.
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We work closely with homeowners, builders, and strata managers to ensure leaks are repaired correctly the first time.
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Our focus is long-term performance — not temporary patch jobs.
Balcony Leak Repairs vs Full Waterproofing Replacement
In some cases, targeted repairs may be sufficient. However, extensive membrane failure may require full balcony re-waterproofing.
We conduct a detailed inspection and provide honest advice on whether a repair or full replacement is the better long-term solution for your property.
Want to understand the causes of waterproofing failure in more detail?Read our guide on common waterproofing issues in planter boxes and basements.
Our Waterproofing Process
A clear, compliant approach trusted by builders and homeowners across Sydney.
1. Inspect
We assess the area, substrate condition, junctions, and compliance requirements before any work begins.
2. Prepare
Surfaces are prepared correctly, with careful detailing of corners, penetrations, and critical waterproofing zones.
3. Waterproof
Certified waterproofing membranes are applied to Australian Standards using proven systems and materials.
4. Verify
Final checks are completed to ensure long-term protection before handover or tiling.
Areas We Serve
We provide professional waterproofing services across Sydney and surrounding NSW areas, with a strong focus on the Inner West and nearby suburbs.
Our service areas include (but are not limited to):
•Inner West Sydney
•Marrickville
•Newtown
•Leichhardt
•Ashfield
•Dulwich Hil
l•Stanmore
•Petersham
If your suburb isn’t listed, get in touch — we service projects across Greater Sydney and will confirm availability for your location.
Balcony Leak FAQs
Balcony Leak Repair Insights
