Auckland Waterproofing Experts

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Auckland Waterproofing Experts We provide professional waterproofing services for homes and businesses throughout Auckland.

We specialise in decks, roofs, foundations, and basements, using proven solutions for long-lasting moisture protection and peace of mind.

Damp patch on your concrete floor that won't go away?Before you reach for a sealer, ask yourself: does it show up after ...
01/11/2026

Damp patch on your concrete floor that won't go away?

Before you reach for a sealer, ask yourself: does it show up after rain, on cold mornings, or all the time? That clue tells you a lot about whether it's groundwater, a pipe or just condensation.

Our simple guide: https://awaterproofing.co.nz/water-seeping-concrete-floor/

Still stumped? Call us on 022 630 6434.

Ever watched your gutter overflow in a downpour and thought, "that'll be fine"?That water has to go somewhere, and often...
27/10/2026

Ever watched your gutter overflow in a downpour and thought, "that'll be fine"?

That water has to go somewhere, and often it's down the wall and into the ground right next to your house.

A few simple gutter tips here: https://awaterproofing.co.nz/gutter-waterproofing-guide/

Got water showing up where it shouldn't? We're happy to come and look. 022 630 6434.

What's behind your basement linings?In one Parnell home, everything looked tidy until the linings came off and the block...
25/10/2026

What's behind your basement linings?

In one Parnell home, everything looked tidy until the linings came off and the block walls underneath were wet. The garden was too tight to dig out, so we fixed it from the inside instead.

Read how we did it: https://awaterproofing.co.nz/leaking-basement-wall-parnell/

Renovating downstairs? Book a free site visit before you re-line: 022 630 6434.

Is your deck sitting right on top of a bedroom or garage?Then it's doing double duty, and it needs a membrane that can h...
20/10/2026

Is your deck sitting right on top of a bedroom or garage?

Then it's doing double duty, and it needs a membrane that can handle feet, furniture and Auckland rain. Viking Dec-K-ing is one of the options we use for that.

Here's how it works and where it suits: https://awaterproofing.co.nz/viking-dec-k-ing-membrane/

Keen to chat about your deck? Call 022 630 6434.

Had a wet week? Pop downstairs and have a look.White powder on the block wall, bubbling paint near the floor, or a patch...
18/10/2026

Had a wet week? Pop downstairs and have a look.

White powder on the block wall, bubbling paint near the floor, or a patch that's darker after rain are all your basement trying to tell you something, usually before you ever see a puddle.

We've put together the early signs to look for: https://awaterproofing.co.nz/early-signs-your-basement-is-about-to-leak/

Not sure what you're seeing? Give us a ring on 022 630 6434 for a free site visit.

Ever wondered who turns up when you call about a leak? 👋That's us, Auckland Waterproofing Experts, a local crew from Cas...
15/10/2026

Ever wondered who turns up when you call about a leak? 👋

That's us, Auckland Waterproofing Experts, a local crew from Castor Bay. Whether it's a damp garage wall, a leaky deck or a tired flat roof, we'll come and take a proper look, explain what's going on in plain English, and give you honest options.

Free site visits, 7am–7pm Monday–Saturday. Call 022 630 6434 or visit https://awaterproofing.co.nz/

💧 Hi everyone, Alex here from Auckland Waterproofing Experts.I wanted to share a recent basement job in Auckland, becaus...
10/08/2026

💧 Hi everyone, Alex here from Auckland Waterproofing Experts.

I wanted to share a recent basement job in Auckland, because it's a great example of something I see often. This basement had clear signs of moisture movement — efflorescence, mould and dampness along the block work and wall-to-floor junctions. If left untreated, this kind of moisture keeps affecting finishes, air quality and how usable the space actually is.

Here's what I did on this one, a full internal negative-side waterproofing system:

✅ Removed unsuitable materials and protected the work area
✅ Mechanically prepared the concrete-block substrate
✅ Removed loose material, contaminants and surface residue
✅ Treated the critical wall-to-floor junctions and vulnerable details
✅ Applied the Ardex waterproofing membrane system across the walls
✅ Left a continuous, protective internal barrier ready for the next stage of renovation

To my fellow building practitioners: this is exactly why substrate prep and detailing matter so much. In my experience, a membrane is only as good as what's underneath it — it needs a sound, clean, properly prepared substrate, not damp or contaminated block work.

To homeowners: if you're noticing mould, white salt deposits or a persistent damp smell in your basement, don't ignore it. I always tell clients that the best results come from understanding the cause, the substrate condition and how the space will be used, all together, before any membrane goes on.

If you're planning a basement renovation or dealing with ongoing moisture issues, feel free to reach out to me directly. Happy to come take a look.

📍 Auckland-wide
📞 Get in touch for a site assessment 022 630 6434
awaterproofing.co.nz
– Alex, Auckland Waterproofing Experts

26/06/2026
Got a damp, musty basement in Glenfield?We’re fixing North Shore basements with HydrEpoxy – a tough water‑based epoxy ba...
25/06/2026

Got a damp, musty basement in Glenfield?

We’re fixing North Shore basements with HydrEpoxy – a tough water‑based epoxy barrier that bonds to concrete and helps stop moisture pushing through your walls and floor.

Perfect for older block basements and garages where you’re seeing paint bubbling, white staining (efflorescence) or small leaks after heavy rain.

Book a local Glenfield inspection and we’ll give you a clear diagnosis and a practical HydrEpoxy waterproofing plan – no guesswork, just a dry, usable space.

Message us here on Facebook or call today to lock in your basement check.Got a damp, musty basement in Glenfield?

We’re fixing North Shore basements with HydrEpoxy – a tough water‑based epoxy barrier that bonds to concrete and helps stop moisture pushing through your walls and floor.

Perfect for older block basements and garages where you’re seeing paint bubbling, white staining (efflorescence) or small leaks after heavy rain.

Book a local Glenfield inspection and we’ll give you a clear diagnosis and a practical HydrEpoxy waterproofing plan – no guesswork, just a dry, usable space.

Message us here on Facebook or call today to lock in your basement check.



In this Glenfield, Auckland case study, Auckland Waterproofing Expe...

Kia ora Auckland whānau! 🏠💧 Planning a **basement reno**? Our 2026 guide's got you sorted – from top waterproofing trick...
10/04/2026

Kia ora Auckland whānau! 🏠💧 Planning a **basement reno**? Our 2026 guide's got you sorted – from top waterproofing tricks (cos Auckland's clay soils and drenching rains don't muck around 😏) to consents, step-by-step installs, and real costs. Don't let moisture turn your dream space into a swamp – pro waterproofing's non-negotiable, eh!



Read full article on our blog:

Planning basement renovations in Auckland? Expert guide to waterproofing methods, costs, consent requirements. Book Free Inspection.

Address

90B Braemar Road, Castor Bay
Auckland
0620

Opening Hours

Monday 7am - 7pm
Tuesday 7am - 7pm
Wednesday 7am - 7pm
Thursday 7am - 7pm
Friday 7am - 7pm

Telephone

+64226306434

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