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Sydney’s Trusted Waterproofing Experts

Premium waterproofing services across Sydney & NSW. From residential to large-scale developments, we deliver quality, compliance, and lasting protection.

waterproofing company

Built on Experience. Driven by Quality. Trusted Across NSW.

With over 15 years in the industry, Wattaproofing Excellence is Sydney’s trusted name in waterproofing. Our licensed team delivers certified, long-lasting results across residential and commercial projects, prescribing the most effective waterproofing systems and materials for each situation to ensure quality, compliance, and durability.

Waterproofing Services Across Sydney & NSW

Explore our full range of certified waterproofing solutions.

waterproofing services sydney

Bathroom & Wet Area Waterproofing

Professional waterproofing for bathrooms, laundries, and internal wet areas,  ensuring long-term protection against leaks, mould, and water damage.

Balcony & Terrace Waterproofing

Durable systems for balconies, decks, and terraces. We prevent leaks, protect underlying structures, and ensure a seamless finish ready for tiling.

Commercial & Strata Waterproofing

End-to-end waterproofing for apartments, high-rises, offices, and commercial facilities. Fully compliant with Australian Building Codes and strata requirements.

Roof, Basement & Retaining Wall Solutions

Specialised protection for exposed roofs and below-ground structures. Ideal for basements, retaining walls, and car parks, designed for maximum durability and leak prevention.

Why Choose Us

15+ Years

Industry Experience

$0

On-Site Quote

100%

Licensed & Compliant

7 Year

Workmanship Warranty

licensed waterproofers sydney

Quality You Can Measure

All waterproofing is thickness-tested with PosiTector 200 to meet Australian Standards, ensuring quality and long-term protection and back with a 7 year warranty. 

Bianca. C

Residential Client

"We noticed a small leak in our laundry and called Wattaproofing. They came out the same day, found the issue straight away, and fixed it on the spot. Super friendly, honest, and clean. It’s rare to find trades this reliable these days."

Our Process

From inspection to certification, every stage is handled with care, transparency, and expert workmanship.

01

Inspection & Assessment

We start with a thorough site inspection to identify waterproofing needs, assess conditions, and recommend the most effective systems for the project.

02

Quotation & System Selection

You’ll receive a clear, obligation-free quote outlining the best materials, methods, and timelines, ensuring quality and compliance from the start.

03

Preparation & Application

Our licensed waterproofers prepare all surfaces, apply certified membranes, and complete every stage to Australian Standards with precision and care.

04

Quality Check & Warranty

Each job undergoes final inspection and certification, backed by our 7-year workmanship warranty and detailed documentation for full peace of mind.

Everything You Need to Know About Waterproofing

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