Extend the life of your domestic hot water tanks before they fail.
Hydrastone inspects, maintains, repairs, and relines domestic hot water tanks so property managers can avoid leaks, tenant complaints, emergency replacements, and unnecessary capital costs.
Specialized in domestic hot water tank inspection, maintenance, repair, and relining since 1993. With thousands of tanks serviced in condominium, apartment, hospital, hotel, university, and commercial buildings across Canada, we help property managers, building owners, institutions, and facility teams identify tank deterioration early, extend service life, and avoid emergency replacement wherever possible.
Small tank issues become big building issues.
A domestic hot water tank can look manageable from the outside while corrosion, lining failure, sediment, worn anodes, and deteriorating fittings are developing inside. Without regular inspection and maintenance, these issues can lead to leaks, shutdowns, tenant complaints, mechanical room damage, and expensive emergency repairs or replacement.
Brand New
Perfect and Pristine
Fresh Alkrete lining, a brand new anode, and clean fittings throughout. This is the baseline everything should return to after proper servicing.
Five Years Old
Fittings Corrosion
The anode has been fully depleted for several years and is no longer protecting the tank. Corrosion has begun forming around the fittings and couplings. The lining is still intact, but it is now unprotected.
Ten Years Old
Lining Deterioration
With no anode and corrosion left unchecked, the lining begins to deteriorate visibly. Relining, fitting replacement, and new anodes are still viable. This is the last practical window for repair before costs rise and tank integrity is put at risk.
Fifteen Years Old
Major Deterioration
The lining has failed. Corrosion has spread from the fittings to the tank body itself, and it is starting to flake and pit. Weld repairs may still be possible, but emergency replacement is becoming the likely outcome.
Don’t wait for a tank failure to find out there’s a problem.
No hot water, inconsistent hot water, or repeated resident complaints are often signs that the issue has moved beyond routine maintenance.
Tenants have lost hot water.
Rust stains, visible corrosion, or water pooling around the tank are physical signs of deterioration. Left unaddressed, they shorten the tank’s life and put the building’s water system at risk.
Corrosion, stains & leaks show.
The tank is aging, the service history may be incomplete, and there is no clear picture of what is happening behind the steel shell.
Tank’s condition unknown.
We don’t just re-line hot water tanks, we manufacture the lining itself.
Alkrete is the proprietary lining used by Canadian tank manufacturers to protect domestic hot water tanks before they leave the factory. When that original lining begins to deteriorate, Hydrastone restores it on site using the same lining system, application standards, and product expertise behind the factory-applied lining. In many cases, the technician relining your tank may be the same Hydrastone-trained specialist who lined it when it was factory-new. That means we know the product, we know the process, and we know how to restore the tank’s internal protective barrier properly.
Hydrastone is more than a lining contractor — we are a concrete science, product development, manufacturing, and field application company specializing in CSA/NSF-ANSI 61 certified potable water lining systems. We develop, manufacture, supply, and install proprietary cement-based products, including Alkrete for domestic hot water tanks and Hydrakrete for watermains and repair applications, helping protect water quality, prevent corrosion, and extend the life of critical infrastructure.
From hospitals and universities to residential buildings, office towers, hotels, airports and sports arenas, Hydrastone is trusted to help keep domestic hot water systems running reliably and smoothly. We work in complex, high-demand environments where downtime, disruption and preventable failure are not an option. That is why leading institutions and property owners turn to Hydrastone to help protect performance, reduce risk and support the long-term health of their hot water systems.
Trusted by those who rely on the critical role hot water plays.
A domestic hot water tank may show no obvious signs of trouble from the outside, even when damage is developing within. That is why inspection matters. Catching issues early helps avoid unexpected failures, major repair costs, and catastrophic replacement.
With the right maintenance plan, a sound tank can continue operating reliably for decades and, in many cases, for the life of the building. Hydrastone helps you diagnose the health of your domestic hot water tanks through regular inspection and light maintenance work.
Contact us.
Need clarity on your domestic hot water system? Contact Hydrastone to discuss an inspection, get expert guidance, and take the right next step before a small issue becomes a major cost.
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