About Us

Darren Tava Williams, boasting 25 years' expertise, established Waterproofing Assurance. His vast NSW and ACT connections and membrane technology insight, reinforced by his qualifications, form the backbone. A dedicated team of specialists drives the firm's commitment to unparalleled industry standards.

Administration

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Darren Tava Williams

Director
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Maha Subhangan

Accounts Administration Manager

TESTING TEAM

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Gerard Margi

Field Operations Manager
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Phillip Stanislas

Remedial and Compliance Manager
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Dylan Saeed

QA Field Technician

DESIGN TEAM

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Kaylah Ryan

Design Manager
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Lijia Wang

Senior Design Coordinator
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Tayla Cornelio

Senior Design Coordinator
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Harry Chandramohan

Senior Design Coordinator
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Lachin Soufiani

Design Coordinator
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Susan Hillsley

Design Coordinator
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Sara Poursharifi

Design Coordinator

Business Procurement and Estimating

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Brad Williams

Business Procurement and Basement Specialist
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Manan Patel

Estimator

WHAT WE DO DIFFERENTLY

At Waterproofing Assurance, our distinct quality assurance service in waterproofing is unmatched. Our method integrates design phase consultancy with rigorous application phase quality control, effectively preventing common defects and costly future repairs. We utilise specialised testing methods to evaluate waterproofing membrane parameters meticulously. This ensures the waterproofing quality on your project aligns with NCC, Australian Standards, and industry best practices.

Why Choose Us?

We safeguard your project’s success with our commitment to excellence and precision, delivering reliable, compliant, high-quality waterproofing solutions.