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About us
Sealant Waterproofing is a Sydney-based company delivering compliant, high-quality waterproofing for residential and commercial projects.
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We believe in doing it right the first time. Every job is completed with attention to detail, clear communication, and strict adherence to Australian Standards. From balconies, bathrooms, and rooftops to remedial and below-ground works, our focus is long-term performance — not shortcuts.
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With hands-on experience across a wide range of systems, we understand how critical waterproofing is to the integrity of a build. We assess each site properly, use proven products, and document our work to ensure quality, compliance, and peace of mind.
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Our reputation is built on reliability, transparency, and consistently high standards. When you engage Sealant Waterproofing, you’re working with professionals who take ownership of their work and stand by it.
