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Trusted Concrete Leak Repair Experts in Melbourne
The Tank Shop specialises in advanced concrete leak repair solutions, utilising a patented pressure injection system developed over 30 years in commercial construction. Our method repairs active leaks in water tanks, pools, and industrial structures without requiring emptying, saving clients time, water, and significant costs. With expertise spanning residential and commercial applications, we address cracks from millimetres to tennis-ball-sized holes using flexible, food-grade sealants that expand and contract with concrete movement.

Our team has completed high-profile projects including Melbourne's Burnley Tunnel and Geelong Galvanising Plant, demonstrating technical excellence and reliability. Client testimonials highlight our professional service delivery, cost-effectiveness compared to replacement options, and long-term repair durability across Victoria and NSW.
Services
Concrete Water Tank Repairs Commercial Concrete Leak Repairs Concrete Pool Leak Repairs Steel Tank Banding Liquid Rubber Waterproofing
Highlights and features
  • 30+ years of commercial building industry experience with proven injection technology
  • Repairs completed without emptying water tanks or disrupting structures
  • Flexible food-grade sealants that expand and contract with concrete movement
  • Successfully repaired cracks from millimetres to tennis-ball-sized holes
  • Demonstrated cost savings of $7,000-$10,000 compared to tank replacement options
What people say
Quick efficient service Highly recommend Amazing results Saved significant costs Professional job
Services
Concrete Water Tank Repairs
Specialist repairs for concrete water tanks using pressure injection technology. Our system seals cracks while tanks remain full, avoiding water wastage and structural disruption. Flexible food-grade sealants expand with concrete movement for permanent solutions.
Commercial Concrete Leak Repairs
Addressing leaks in commercial concrete structures including tunnels, bridges, and water treatment facilities. Our non-invasive method works on active leaks without requiring structural modifications or downtime for critical infrastructure.
Concrete Pool Leak Repairs
Effective solutions for leaking concrete swimming pools using commercial-grade injection techniques. Repairs maintain pool integrity without draining water or damaging finishes, with flexible sealants that accommodate structural movement.
Steel Tank Banding
Structural reinforcement for concrete tanks with rust-damaged internal steel. Custom-fabricated steel bands restore integrity to aging tanks, preventing catastrophic failures from water pressure on weakened walls.
Liquid Rubber Waterproofing
Durable waterproofing solutions using liquid rubber membrane for tanks, pits, and concrete structures. Provides rust prevention and corrosion protection while maintaining flexibility for structural movement in agricultural and industrial applications.
Questions
How do you repair concrete tank leaks without emptying the tank?
We use pressure injection technology to seal cracks while tanks remain full. Flexible food-grade sealants expand with concrete movement for permanent repairs.
What areas do you service?
We operate across Victoria and New South Wales, with experience in locations from Melbourne to Broken Hill and coastal regions.
What types of concrete structures can you repair?
We fix leaks in water tanks, pools, tunnels, bridges, retaining walls, and industrial concrete structures with active leaks.
How long do repairs last?
Our flexible sealants expand and contract with concrete movement, providing durable repairs that have lasted over 8 years in documented cases.
What payment options are available?
We accept standard payment methods upon completion of work. Payment terms can be discussed during quote preparation.
Reviews (2)
Saffron Pugs
Dec 16, 2019 Report
Rudest person I've ever dealt with. After being abusive on the phone he continued to stalk me via sms to be further. I know someone else who had the same problem, this man gets off on intimidating women and is the last person I would recommend having to your home as he is dangerous.
Saffron Pugs
May 29, 2019 Report
My tank is leaking from underneath so I rang to get a quote. Spoke to someone named Darren who hung up on me twice. I tried to tell him I couldn't get photos because I can't climb into my tank so he hung up on me. I thought the phone had cut off so I called back and he said 'you again, if you can't get f'n photos get someone else to do it and hung up the phone. I have never ever been spoken to like that. Don't use this horrible man, he doesn't deserve your business.