Best Waterproofing in Auckland: Top 5 Membrane and Tanking Specialists

Choosing the best waterproofing in Auckland comes down to finding an applicator who works to the systems your building actually needs, whether that is a torch-on membrane over a flat roof, below ground tanking for a basement, a trafficable deck or a wet area sealed before the tiler arrives. The specialists below install and repair membranes on residential and commercial buildings across the Auckland region, from leak detection on a single balcony through to podium decks and carpark decks on large developments. MPM Waterproofing and Hydroproof are among the established names covered here.

1MPM Waterproofing

MPM Waterproofing Group is a family owned waterproofing contractor based in Penrose, operated by husband and wife team Catherine and Jamie Carson. The company works on below ground tanking, membrane roofing, decking and podium systems for both large construction firms and individual homeowners. It covers Auckland and Northland, with stated coverage from Whangarei down to the Waikato.

Services

• Below ground tanking for foundations, basements and lift pits
• Membrane roofing using sheet and liquid systems
• Membrane decking for balconies, terraces and walkways
• Podium decks, green roofs and warm roof assemblies
• Bathroom and wet area waterproofing before tiling

Highlights

• More than 30 years protecting Auckland buildings
• Family owned and operated by Catherine and Jamie Carson
• Sitesafe certified applicators licensed across approved supplier systems
• Works with Allco, Nuralite, Viking Roofspec, Sika, Equus and Ardex systems
• Full system warranties and producer statement documentation available on request

Location & Contact

Name: MPM Waterproofing
Address: 10D Burrett Avenue, Penrose, Auckland 1061
Phone: 09 582 1390
Website: mpmwaterproofing.co.nz

2Hydroproof

Hydroproof is a waterproofing company operating from Albany on the North Shore, working mainly across the greater Auckland area on commercial and residential new builds, renovations, repairs and maintenance. Its applicators average more than 15 years of waterproofing experience, and the team works to the systems specified in design drawings on construction projects. It suits main contractors and homeowners who want a certified applicator rather than a general trades firm.

Services

• Below ground tanking using torch-on, peel and stick and liquid membranes
• Roof and deck membranes including TPO, PVC and butynol
• Joint sealing for precast, tilt panel and composite panel joints
• Maintenance and repair coatings, including negative hydrostatic pressure work
• Internal waterproofing with cementitious and acrylic membranes

Highlights

• Member of the Waterproofing Membrane Association of New Zealand
• Applicators average more than 15 years of waterproofing experience
• Applicators certified, approved and trained by multiple system providers
• Project list includes Cohaus Apartments, Westhaven Marine Village and the Air New Zealand logistics base

Location & Contact

Name: Hydroproof
Address: 6D Dallan Place, Albany, Auckland 0757
Phone: 09 478 8193
Website: hydroproof.co.nz

3Auckland Waterproofing Services

Auckland Waterproofing Services Limited is a membrane specialist serving the greater Auckland region, led by managing director Bruce Knegt. The company works alongside designers on complex basement and below ground structures as well as roof and deck membranes, and its work appears on several landmark Auckland buildings. It is a good fit for architecturally designed projects where the membrane detailing has to follow an engineered specification.

Services

• Membrane roofing and deck systems, including torch applied and TPO
• Below ground tanking with bentonite, sheet applied and liquid membranes
• Warm roof membrane systems with XPS and PIR insulation
• Pedestrian and trafficable membrane systems
• Carpark waterproofing and precast panel joint sealant

Highlights

• Applied the waterproof membranes at Auckland Art Gallery
• Applied the waterproof membranes at Kensington Park
• Work featured on Grand Designs New Zealand in 2016
• Green roof and anti-root membrane systems for planted roofs

Location & Contact

Name: Auckland Waterproofing Services Limited
Address: PO Box 303-228, North Harbour, Auckland 0751
Phone: 09 448 1641
Website: waterproof.co.nz

4Complete Waterproofing

Complete Waterproofing specialises in flat roofs, torch-on and TPO membranes and leak repairs across Auckland, working for homeowners as well as developers, landlords and property maintenance companies. The team manages the whole job, including substrate preparation, falls and carpentry, rather than sealing over structural problems. It is a practical choice for a leaking flat roof or balcony where the cause has not yet been identified.

Services

• Torch-on modified bitumen membranes for flat roofs, decks and balconies
• TPO single ply heat welded membrane systems
• Floating deck systems over waterproofed rooftops and podiums
• Warm roof and green roof construction
• Membrane repair and leak detection on roofs, balconies and walkways

Highlights

• Trained and licensed applicators for Nuralite, Viking Roofspec, Allco and Equus systems
• Systems BRANZ appraised and CodeMark certified where applicable
• Product warranties of 10 to 30 years plus a 5 to 10 year workmanship warranty
• Carpentry and structural work handled in house as part of the project

Location & Contact

Name: Complete Waterproofing
Address: Auckland
Phone: 09 832 5851
Website: completewaterproofing.co.nz

5Quake Seal NZ

Quake Seal NZ is a waterproofing membrane installer with an office on Gillies Avenue in Newmarket, working on residential, commercial and industrial properties across the greater Auckland region. The company installs torch-on, TPO, tanking and liquid membrane systems, and also takes on sealant and maintenance work. Enquiries go directly to Craig, which suits owners who would rather deal with one point of contact.

Services

• Torch-on membrane systems
• TPO membrane systems
• Tanking membrane systems for basements and foundations
• Liquid membrane systems for complex shapes and detailing
• Epoxy coatings, sealant and joint sealant work

Highlights

• Office on Gillies Avenue in Newmarket, serving the greater Auckland region
• Company history traces back 20 years to Quake Seal in Honeydew, South Africa
• Works across residential, commercial and industrial buildings, including apartments and carparks

Location & Contact

Name: Quake Seal NZ
Address: 27 Gillies Avenue, Newmarket, Auckland
Phone: 027 504 8485
Website: quakeseal.co.nz

Waterproofing in Auckland at a Glance

How to Choose the Right Waterproofing Company in Auckland

• Check the applicator is licensed for the specific system being installed. Nuralite, Viking Roofspec, Allco, Sika and Equus all approve applicators separately, and the product warranty usually depends on it.
• Match the contractor to the job type. Below ground tanking, trafficable podium decks and bathroom wet areas are different disciplines, and not every firm covers all of them.
• Ask what happens to the substrate underneath. A membrane laid over rotten timber or a roof with no fall will fail again, so a contractor who handles carpentry and falls is worth more than the cheapest quote.
• Confirm what documentation you will receive. Producer statements and system warranties matter if the work is part of a consented build or you plan to sell the property.
• Look at the sort of projects they publish. A firm whose portfolio is apartment podiums may not be the right pick for a single residential balcony, and the reverse is equally true.

Frequently Asked Questions About Auckland Waterproofing

What does waterproofing cost in Auckland?

Cost depends on the system, the area, access, and how much substrate preparation is needed before anything is applied. A small balcony repair sits at the low end, while a full torch-on re-roof with new insulation and falls is a much larger job. Most Auckland waterproofing companies will inspect the site before quoting, because the cause of a leak is often not what it appears to be from inside.

Does waterproofing work need a building consent?

Straight replacement of an existing membrane is often treated as maintenance, but adding insulation, changing the roof structure, or altering falls can tip the job into consented work. Auckland Council assesses this case by case, and the rules for exempt building work are set out on the Ministry of Business, Innovation and Employment’s building performance website. Ask your contractor to confirm before the job starts.

How long should a waterproofing membrane last?

The New Zealand Building Code sets minimum durability periods for building elements, and membranes in concealed or hard to access positions are held to longer periods than surface finishes. In practice, good torch-on and TPO systems installed by an approved applicator carry manufacturer warranties in the range of 10 to 30 years, with a separate workmanship warranty from the installer on top of that.

What is the difference between torch-on and TPO membranes?

Torch-on is a modified bitumen system, usually laid in two layers and heat bonded on site, and it is the most widely specified flat roof membrane in New Zealand. TPO is a single ply thermoplastic sheet that is heat welded at the seams, giving a lighter, cleaner finish that reflects heat well. Both are proven on low slope roofs, and the right choice usually depends on the substrate, the detailing and whether the roof will be walked on.

What is tanking and when do I need it?

Tanking is waterproofing applied to below ground structures such as basements, lift pits, retaining walls and foundations, so groundwater cannot push through the concrete. It is normally installed during construction, because retrofitting it means excavating back to the wall. If you have damp or efflorescence on a basement wall, a specialist can advise whether a negative side coating will hold or whether the wall needs to be exposed.

Do bathrooms and wet areas need a certified waterproofer?

Internal wet area waterproofing is restricted building work when it forms part of a consented bathroom, and it has to be signed off before tiling goes down. Using an applicator who can issue the right documentation avoids problems at inspection, and it protects the floor structure underneath. Several Auckland membrane specialists take on wet areas alongside their roof and deck work.

Can a leaking deck be repaired without replacing the whole membrane?

Often yes. Leak detection can isolate a failed upstand, a split at a penetration, or a blocked outlet, and a targeted repair will hold if the rest of the membrane is sound and within its service life. Where the membrane has reached the end of its life or the substrate has moved, a patch is a short term fix and a full replacement is the better spend.

How disruptive is waterproofing work on an occupied building?

Roof and deck work is usually done from outside, so you can often stay in the building, though torch-on work involves open flame and hot bitumen and the area has to be kept clear. Contractors working at height must manage the site under health and safety law, and WorkSafe New Zealand publishes the requirements for working at height. Ask how long the surface needs to cure before it can be used again.