Decks, flat roofs and leaking membranes. Waterproofed right the first time.
Licensed Building Practitioner. Approved TPO, Butynol, Torch-On and liquid membrane systems, installed to New Zealand Building Code standards.
Waterproofing systems built for Auckland conditions
Deck Waterproofing
We install durable membrane systems, including TPO, Butynol, Torch-On, liquid, and Dec-K-Ing, to protect decks, balconies and outdoor spaces from water damage and structural decay.
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Roof Waterproofing
We provide flat roof waterproofing, membrane installation and roof leak repairs across Auckland, with fast quotes, proven systems and local expertise.
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Roof Repairs
Water damage spreads quickly to ceilings, framing and insulation, so we respond fast across Auckland with membrane repair solutions that actually last.
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TPO Membrane
TPO (Thermoplastic Polyolefin) is a high-performance waterproofing membrane widely used for flat roofs and decks. We install it with heat-welded seamless joints for lasting protection.
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Butynol
Butynol is a trusted waterproofing solution widely used in New Zealand for flat roofs and decks. This synthetic rubber membrane offers flexible, durable coverage that handles complex roof shapes and thermal movement.
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Torch-On Membrane
We install and repair bitumen-based waterproofing systems for flat and low-slope roofs, for both residential and commercial properties across Auckland.
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Liquid Membrane
Liquid waterproofing cures into a seamless protective layer, ideal for flat roofs and complex shapes where traditional membranes are difficult to install.
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Tanking Membrane
We protect basements, retaining walls, lift pits and underground structures from groundwater and hydrostatic pressure, built to New Zealand Building Code standards.
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Dec-K-Ing
Dec-K-Ing is a premium vinyl decking membrane system engineered for outdoor decks, balconies, roof terraces and walkways. Unlike traditional membranes that need a separate topcoat, it works as both the waterproofing and the finished walking surface in one product.
Learn more →Licensed. Approved. Accountable.
Every job is installed to manufacturer specification, using approved products only, by a Licensed Building Practitioner. When waterproofing fails, the consequences are expensive and disruptive, so we don't cut corners.
- Licensed Building Practitioner
- Nuralite Approved Applicator
- GAF Approved Applicator
- Workmanship guaranteed
Projects across Auckland
150m² Torch-On Internal Gutters, Kohimarama
Kohimarama
150m² of internal gutter waterproofing on a new build
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420m² Torch-On New Build, Manukau
Manukau
420m² double-layer torch-on roof plus seven waterproofed decks
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6,500m² TPO Roof, Mangere Bridge
Mangere Bridge
6,500m² TPO membrane roof on a large industrial building
View project →Serving North Shore, East Auckland, West Auckland, South Auckland and Central Auckland, with Northland and the rest of New Zealand available on request.
Waterproofing FAQ
It depends on the project scope, membrane system and site conditions. Small repairs start at a few hundred dollars, complete replacements run into the thousands. We offer free assessments and quotes before any work starts.
Butynol typically lasts 15 to 20 years, TPO membranes 20 to 30 years, and Torch-On systems 20 to 25 years. Professional installation and regular maintenance can extend that lifespan further.
It depends on the project. TPO suits new builds well, Butynol is New Zealand's preferred residential option, and Torch-On gives commercial-grade protection.
Yes. Under New Zealand building regulations, waterproofing work on residential properties requires a Licensed Building Practitioner (LBP).
Watch for cracks, blistering, water stains, odours, ponding water and seam separation. We recommend an inspection for any membrane over 15 years old.
Yes. Workmanship and manufacturer warranties are included on every job. Specific coverage varies by system and scope.
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