Balcony Waterproofing Sydney

Waterproofing for Balconies Regardless of Surface

At Unique Waterproofing Solutions, we carry the tools and expertise to effectively undertake balcony waterproofing across Sydney. If you’re building new or renovating an existing property, we can install a quality waterproofing membrane to protect your infrastructure from leaks. 


Your balcony is continually exposed to the natural elements including wind, rain, sunlight and harsh storms. It’s important to hire an experienced waterproofer that can correctly install the appropriate waterproofing to suit the surface of your balcony. Whether that’s brick, tile, concrete or natural stone—we’ll protect your balcony to the highest standard! 

Balcony with Seaside View — Unique Waterproofing Solutions in Castle Hill, NSW

We’ll inspect your property to locate the source of the leak

If you live in an older home and suspect your balcony is leaking, don’t delay in calling us at Unique Waterproofing Solutions.


We’ll inspect your property to locate the source of the leak and provide a quote for repairs.


Poor drainage is a common cause of leaking balconies; however, we’re equipped to install a quality waterproofing membrane that’s suited to your balcony or terrace.

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The Dangers Of Water Damage On Balconies

Water damage when left untreated can impact the structural integrity of a property. Foundational cracks, leaking roofs and rotting timber structures are all associated risks of water damage.


Accumulated water also increases the risk of mould. At Unique Waterproofing Solutions, we’re experienced at diagnosing the source of leaks and will determine a cost-efficient method to effectively remediate the problem in a timely manner.


We understand the risks, potential damage and costs that come with water damage. Defective waterproofing is a serious issue that we always treat with the utmost care and precision to ensure a superior, long-lasting result. That’s why we offer remedial waterproofing repairs throughout Sydney for residential and commercial properties.

Our licensed waterproofers are equipped to carry out concrete crack repairs using epoxy and polyurethane injections to fix minor structural damages. 


At Unique Waterproofing Solutions, we offer a comprehensive service for all our customers. For new builds, renovations or leak repairs, call us today. We’ll be happy to provide a quote for waterproofing services. 

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Frequently asked questions

  • Why is my balcony stained? Is it leaking?

    Stained balconies may be caused by defective waterproofing membranes. Leaking balconies may present a number of signs including peeling paint and stained ceilings. 

  • What are the risks of water leakage?

    Water damage can weaken the infrastructure, reduce the integrity of the building and potentially cause the property to fail. Unstable flooring is a serious health hazard and needs to be addressed immediately.

  • Why is my balcony leaking?

    Defective waterproofing membranes may be the cause of your balcony leaking. Improper planning prior to construction, lack of building maintenance, poor drainage and heavy rainwater can accumulate and lead to a breakdown of the waterproofing sheet.

  • How much does it cost to waterproof a balcony in Castle Hill?

    Costs vary depending on a number of factors including the materials used, size of the balcony and type of balcony. Our waterproofers provide free quotes prior to all services undertaken and will ensure you’re fully aware of the costs involved before we carry out any work.