Why Choose a Water Tank Liner?
Replacing a tank costs thousands and creates weeks of disruption. Coatings peel and fail. A liner is the smarter, faster, more affordable solution.
Benefits of Aqualux® Tank Liners
Leak prevention: Seals cracks, joints, and seams to eliminate water loss
Safe for potable water: Certified food-grade PVC (AS/NZS 4020:2005 compliant)
Cost-effective: Repair your tank at a fraction of replacement cost
Fast install: Most liners fitted in hours, not days
Custom fit: Designed for tanks of any size, shape, or material—even asbestos
NZ-made: Local manufacturing ensures consistent quality and rapid support
Certified Water-Safe, Built for NZ Tanks
Aqualux® water tank liners are engineered for long-term performance in New Zealand’s toughest conditions. Every liner is:
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Certified to AS/NZS 4020:2005 — fully safe for drinking water, stock water, food storage, aquaculture, chemicals, and oil containment
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Leak-proof protection — prevents erosion, seepage, and contamination from cracked or aging walls
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Flexible and stretchable — ideal for areas with frequent ground movement
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Durable construction — won’t wick, seep, or degrade under pressure
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Backed by warranty — multiple liner styles available with warranty options
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NZ-made quality — high-grade fabrics, manufactured locally for consistent standards
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Tailored fit — custom-made liners designed for your exact tank dimensions
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Trusted expertise — over 40 years’ experience in liquid containment across NZ, Australia & the Pacific
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100% Kiwi-owned and operated — Aqua-Tech Industries has been protecting Kiwi water since 1974
Where Tank Liners Work
From small lifestyle blocks to large industrial reservoirs, our liners are custom-built to suit every scenario:
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Rural and lifestyle water tanks
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Industrial and council reservoirs
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Aquaculture and food storage tanks
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Chemical and oil containment tanks
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Odd-shaped, aged, or asbestos tanks
4.5
5,000+
liners installed across NZ, Australia & the Pacific
For more than 50 years, Aqua-Tech has been New Zealand’s trusted name in water tank liners and repairs. From small rural blocks to industrial reservoirs, our Aqualux® liners have safeguarded water supplies for thousands of Kiwi farms, councils, and businesses.
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NZ-owned & operated since 1974 — local support you can rely on
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Certified food-grade materials — safe for drinking, stock, aquaculture, and more
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Proven in tough NZ conditions — designed to handle movement, erosion, and extreme climates
We don’t just sell liners — we deliver long-term water security. That means expert site assessment, professional installation, and ongoing support.
Why Liners Beat Tank Replacement & Coatings
Option
Cost
Lifespan
Downtime
Risks
Tank Replacement
Very high ($$$$)
20+ years
Weeks–months
Major site disruption, permits, expensive transport
Coatings & Sealants
Low–mid ($$)
3–5 years
Days
Peeling, short-lived, not suitable for asbestos tanks
Aqualux® Liners
Mid ($$$)
15–20+ years
Installed in hours–1 day
None — proven watertight barrier, food-grade certified
Nationwide Tank Installations — Fast, Reliable, Built to Last
Get your Aqualux® tank liner installed anywhere in New Zealand. From small lifestyle tanks to large industrial reservoirs, our team delivers a watertight, durable result with minimal downtime.
Precision Fit • Warranty-Backed • Nationwide Coverage
NZ-owned since 1974 • Approved Aqualux® installers • Manufacturer warranty
Visit Our Auckland Showroom
12 Hill Street, Onehunga, Auckland
See colours and finishes in person at 12 Hill Street, Onehunga, Auckland.
Hours: Mon–Fri, 8:00am–5:00pm
Water Tank Liner Quote Request
Tell us your tank details and site location for a tailored, no-obligation quote. Our Aqua-Tech water tank liners NZ team will respond within 1–2 business days.