
Waterproofing Auckland – Deck, Roof & Leak Repair Specialists
Professional waterproofing services in Auckland for decks, flat roofs and leaking membrane systems. We install and repair TPO, Butynol, Torch-On and Liquid Membrane systems for residential and commercial projects.
Waterproofing Services in Auckland
As a trusted waterproofing contractor in Auckland, we specialise in deck waterproofing, roof waterproofing and roof repairs for residential and commercial properties.
Our team installs and repairs high-performance membrane roofing systems in Auckland including TPO, Butynol, Torch-On and Liquid Membranes, delivering long-term protection against leaks and water damage.
Our Waterproofing Services
From flat roofs to decks, basements to balconies — we deliver long-term waterproofing protection across Auckland.
Deck Waterproofing
Leak-free waterproofing systems for decks, balconies and outdoor living areas.
Learn moreRoof Waterproofing
Complete waterproofing solutions for flat and low-slope roofs across Auckland.
Learn moreRoof Repairs
Fast diagnosis and repair of leaking membrane roofs, damaged seams and waterproofing failures.
Learn moreTPO Membrane Systems
Thermoplastic single-ply waterproofing membrane. Energy-efficient, durable protection for flat roofs in Auckland.
Learn moreButynol
BRANZ appraised rubber membrane waterproofing. Trusted across Auckland for residential and commercial roofs.
Learn moreTorch-On Membrane
Modified bitumen waterproofing applied with heat. Ideal for complex roof areas and heavy-duty commercial protection.
Learn moreLiquid Membrane
Seamless liquid-applied waterproofing. Perfect for intricate areas, penetrations, and hard-to-reach roof spaces.
Learn moreTanking Membrane
Below-ground waterproofing for basements, retaining walls, and foundations. Keep your Auckland property dry.
Learn moreDec-K-Ing
Premium vinyl deck covering system. Beautiful, durable, and fully waterproof outdoor living surfaces.
Learn moreApproved Applicator
All installations completed to manufacturer specification — warranty protected.
Common Waterproofing Problems We Solve
- Leaking roofs
- Ponding water on flat roofs
- Damaged or ageing membranes
- Failed waterproofing systems
- Poor previous installations
We identify the root cause and provide reliable waterproofing solutions designed for long-term performance.
Why Auckland Property Owners Choose Your Subbie

NZ Government Licensed
Licensed Building Practitioner
Roofing Class R4 & R5 · License No. BP181755
Matt Balkan is a licensed member of the Ministry of Business, Innovation & Employment’s LBP scheme — ensuring all roofing and waterproofing work meets New Zealand Building Code standards.
Verify on lbp.govt.nz →Trusted Waterproofing Systems
We work with proven waterproofing systems used across New Zealand, including TPO, Butynol, Torch-On and Liquid Membranes.
Our focus is on using reliable materials and delivering workmanship that protects your property for the long term.
Trusted Waterproofing Specialists in Auckland
Your Subbie is an Auckland-based waterproofing company specialising in deck waterproofing, roof waterproofing, and membrane roof repairs.
We work across residential and commercial properties throughout Auckland — from flat roofs and internal gutters to decks, balconies, and below-ground tanking.
Whether you have an active leak, an ageing membrane that needs replacing, or a new build that needs waterproofing done right the first time — we deliver solutions that last.

Waterproofing Projects in Auckland
We have completed waterproofing projects across Auckland including deck waterproofing, roof waterproofing, membrane repairs and specialist installations.

Nuraply 3PM Torch-On Roof & 7 Decks Manukau
Manukau, Auckland
View project
TPO Roof Waterproofing Project Auckland
Auckland
View project
Dec-K-Ing Deck Waterproofing Project Auckland
Auckland
View project
TPO Membrane Installation Auckland
Auckland

Butynol Roof Waterproofing Auckland
Auckland

Torch-On Membrane Roofing Auckland
Auckland

Deck Waterproofing Auckland
Auckland

Tanking Membrane Waterproofing Auckland
Auckland

Liquid Membrane Waterproofing Auckland
Auckland
Waterproofing Services Across Auckland
We provide waterproofing services across the greater Auckland region, including North Shore, West Auckland, and South Auckland. We can also travel to Northland and other parts of New Zealand depending on job scope.
Get a Free Waterproofing Quote
Need waterproofing in Auckland? Contact us today for a fast, no-obligation quote. We service all of Auckland.
Frequently Asked Questions
Common questions about waterproofing services in Auckland.
How much does waterproofing cost in Auckland?
Waterproofing costs in Auckland vary depending on the project scope, membrane system, and site conditions. Small deck repairs may start from a few hundred dollars, while full roof membrane replacements for larger properties can cost several thousand. We provide free on-site assessments and no-obligation quotes. Read our waterproofing cost guide for detailed price ranges.
How long does waterproofing last in New Zealand?
The lifespan of a waterproofing system depends on the membrane type and installation quality. Butynol typically lasts 15–20 years, TPO membranes 20–30 years, and Torch-On systems 20–25 years. Proper installation by a Licensed Building Practitioner and regular maintenance can extend the life of your waterproofing system significantly. See our complete waterproofing lifespan guide.
What is the best waterproofing system for flat roofs?
The best system depends on your specific project. TPO membranes offer excellent UV resistance and durability for new builds. Butynol is New Zealand's most trusted residential system. Torch-On provides heavy-duty protection for commercial properties. We assess each project individually and recommend the most suitable system.
Do I need a Licensed Building Practitioner for waterproofing?
Yes. Under New Zealand building regulations, waterproofing work on residential properties requires a Licensed Building Practitioner (LBP). Our team holds LBP licence #BP181755 with Roofing R4 & R5 classifications, meaning all our work is compliant and can be signed off for building consent purposes.
How do I know if my roof membrane is failing?
Common signs include visible cracks or blistering on the membrane surface, water stains on ceilings or walls, musty odours, ponding water that doesn't drain, and seam separation. If your membrane is more than 15 years old, regular inspections are recommended. Read our guide on signs your roof membrane is failing.
Do you offer a warranty on waterproofing work?
Yes. All our waterproofing installations come with workmanship warranties, and the membrane systems we install carry manufacturer warranties. The specific warranty period depends on the system and project scope. We stand behind our work and are committed to delivering long-lasting waterproofing solutions for Auckland properties.