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10+ years waterproofing experience across Sydney

Balcony & Rooftop Waterproofing Specialists in Sydney

Certified waterproofing solutions for balconies, rooftops, and exposed areas — built to protect structures and meet Australian Standards.

Get a Free Waterproofing Quote

Professional Balcony & Rooftop Waterproofing Across Sydney

Balconies and rooftops are constantly exposed to weather, temperature changes, and water runoff. Without correct waterproofing, these areas are one of the most common sources of leaks, concrete damage, and internal water ingress.

 

At Real Seal Solutions, we provide balcony and rooftop waterproofing in Sydney for builders, developers, and homeowners, delivering compliant systems designed for long-term performance.

Residential balconies

Apartment and strata balconies

Rooftop slabs and terraces

Exposed concrete areas

All work is completed using certified waterproofing membranes applied to suit site conditions and exposure levels.

Balcony Leak Repairs Sydney

In addition to new waterproofing works, we also provide balcony leak repairs where possible.
Depending on the condition of the existing system, we may be able to carry out targeted repairs rather than a full rebuild.

Each project is assessed individually to determine the most practical and reliable solution.

Our Waterproofing Process

A clear, compliant approach trusted by builders and homeowners across Sydney.

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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.

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4. Verify

Final checks are completed to ensure long-term protection before handover or tiling.

If you’re experiencing active water ingress, our balcony waterproofing Sydney specialists can assess and resolve the issue.

Backed by Experience.

Why Balcony Waterproofing Is Critical

Incorrect or failed balcony waterproofing can lead to:


 • Water penetration into internal spaces
• Concrete cancer and structural damage
• Mould and moisture issues inside apartments
• Costly rectification works

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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.

Bathroom & Laundry Waterproofing FAQs

Applying Sink Sealant

10+ years waterproofing experience across Sydney

Get a Free Balcony & Rooftop Waterproofing Quote

With over 10 years of waterproofing experience across Sydney, we deliver reliable balcony and rooftop waterproofing trusted by builders and homeowners alike.

 

Get a Free Waterproofing Quote

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