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Specialising in waterproofing SYDNEY for both residential and commercial buildings


Are you looking for quality waterproofing in Sydney and areas such as Bondi, Mosman and Lane Cove? Combined Building can repair everything ranging from leaking balconies, bathrooms, showers, swimming pools or any kind of wet area in your home or office. Depending on your specific water leak problem, our expert team of tradesmen can identify the root cause and deliver immediate solutions to rectify it. In order to identify the exact cause of some building defects and water leaks, it’s necessary for us conduct thorough investigations. This may involve cutting into plasterboard walls, opening brick walls to view cavities, removing bricks to inspect windows, door flashings and flooding balconies to identify sources of leaks.

Protect your home with permanent waterproofing in Sydney


At Combined Damp & Remedial Building, we strive to provide the most effective, economic and permanent waterproofing solution for your property in Sydney. We aim to fix your problem, not provide another patch up answer. Our extensive waterproofing experience enables us to identify some common issues efficiently and with minimal fuss to our clients.  Whatever the problem might be, we’re confident we can fix it for you on time and within budget. We constantly research and test new products to ensure only the best products are used for every project. All our waterproofers are fully registered and comply with Australian standards to ensure only the best possible outcome is achieved and using only the highest quality products.


If you’re looking for waterproofing services in Bondi, Mosman or Lane Cove, contact us for a no-obligation quote today on 0403-210-429 or alternatively drop us an email at and we’ll get back to you with the best course of action for your needs.