15+ Years Waterproofing Experience
Proven track record across Auckland’s residential, commercial, and industrial builds.
Full PS3 Compliance Every Time
Council-ready documentation delivered with every project — no paperwork headaches.
Approved Applicator for Leading Membranes
Trained and certified in systems like Viking Roofspec, Ardex, Allco, Equus and more.
Trusted by Builders & Developers Across Auckland
Repeat partnerships with builders who rely on us to get jobs signed off, on time.
Comprehensive Waterproofing Solutions
From basements and tanking to decks, roofs, and gutters — one team, every service.
Smart, reliable waterproofing solutions for Auckland’s new builds. We start with the plan and finish with full compliance, clear documentation, and peace of mind.
At SJ Waterproofing NZ, we focus on new builds, offering waterproofing that starts at the planning stage and flows all the way through to project completion. We pride ourselves on getting the job done once — and doing it right. Our team delivers work in a timely, efficient manner, always aiming to meet your project deadlines.
By getting it right the first time, we save developers time, hassle, and costly rework down the track.
Our team works alongside builders, architects, and site managers to ensure every scope is clearly defined, every system installed correctly, and every document in place for compliance.
Why Builders Work With Us:
- We read plans and define waterproofing scopes early
- Provide clear, coded breakdowns by area
- Supply and install trusted, council-approved systems
- Deliver PS3, ROW, and manufacturer warranties
- Offer hands-on guidance and full job documentation
- Work quickly and reliably to meet deadlines
Where We Work:
From Central Auckland to the Shore, East, West, and South — we also take on selected projects in Waikato and Northland.
Ready to protect your investment? Request a quote or call us today.
Approved Applicator For
